WO1998017747A1 - Lubricating oil composition for automatic transmissions - Google Patents
Lubricating oil composition for automatic transmissions Download PDFInfo
- Publication number
- WO1998017747A1 WO1998017747A1 PCT/JP1997/002025 JP9702025W WO9817747A1 WO 1998017747 A1 WO1998017747 A1 WO 1998017747A1 JP 9702025 W JP9702025 W JP 9702025W WO 9817747 A1 WO9817747 A1 WO 9817747A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lubricating oil
- oil composition
- carbon atoms
- automatic transmission
- general formula
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 102
- 239000000203 mixture Substances 0.000 title claims abstract description 94
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 84
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 94
- 150000001875 compounds Chemical class 0.000 claims abstract description 77
- 239000002199 base oil Substances 0.000 claims abstract description 38
- 125000003277 amino group Chemical group 0.000 claims abstract description 18
- 150000002430 hydrocarbons Chemical group 0.000 claims description 83
- -1 phosphorus compound Chemical class 0.000 claims description 48
- 230000001050 lubricating effect Effects 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 27
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 25
- 150000003839 salts Chemical class 0.000 claims description 23
- 150000007524 organic acids Chemical class 0.000 claims description 20
- 239000000654 additive Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 9
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 claims description 8
- 229960001860 salicylate Drugs 0.000 claims description 8
- 239000003963 antioxidant agent Substances 0.000 claims description 7
- 239000002270 dispersing agent Substances 0.000 claims description 7
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000006078 metal deactivator Substances 0.000 claims description 6
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 239000003112 inhibitor Substances 0.000 claims description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 150000008301 phosphite esters Chemical class 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 4
- 239000001257 hydrogen Substances 0.000 abstract description 4
- 150000001408 amides Chemical class 0.000 abstract description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 abstract 2
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 24
- 125000000217 alkyl group Chemical group 0.000 description 22
- 230000002265 prevention Effects 0.000 description 20
- 229910019142 PO4 Inorganic materials 0.000 description 18
- 239000010452 phosphate Substances 0.000 description 18
- 239000003921 oil Substances 0.000 description 17
- 230000007246 mechanism Effects 0.000 description 16
- 239000002253 acid Substances 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 11
- 229940126062 Compound A Drugs 0.000 description 9
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 9
- 150000003873 salicylate salts Chemical class 0.000 description 9
- 150000003871 sulfonates Chemical class 0.000 description 9
- 239000002480 mineral oil Substances 0.000 description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 7
- 229910052791 calcium Inorganic materials 0.000 description 7
- 239000011575 calcium Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 6
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 6
- 239000002783 friction material Substances 0.000 description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 5
- 125000003342 alkenyl group Chemical group 0.000 description 4
- 239000002518 antifoaming agent Substances 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- 125000000753 cycloalkyl group Chemical group 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- 235000010446 mineral oil Nutrition 0.000 description 4
- 239000003607 modifier Substances 0.000 description 4
- WRKCIHRWQZQBOL-UHFFFAOYSA-N octyl dihydrogen phosphate Chemical compound CCCCCCCCOP(O)(O)=O WRKCIHRWQZQBOL-UHFFFAOYSA-N 0.000 description 4
- 229920000193 polymethacrylate Polymers 0.000 description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 3
- 239000012964 benzotriazole Substances 0.000 description 3
- JNGZXGGOCLZBFB-IVCQMTBJSA-N compound E Chemical compound N([C@@H](C)C(=O)N[C@@H]1C(N(C)C2=CC=CC=C2C(C=2C=CC=CC=2)=N1)=O)C(=O)CC1=CC(F)=CC(F)=C1 JNGZXGGOCLZBFB-IVCQMTBJSA-N 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000001384 succinic acid Substances 0.000 description 3
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- JYFHYPJRHGVZDY-UHFFFAOYSA-N Dibutyl phosphate Chemical compound CCCCOP(O)(=O)OCCCC JYFHYPJRHGVZDY-UHFFFAOYSA-N 0.000 description 2
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 2
- 241000907897 Tilia Species 0.000 description 2
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- HTDKEJXHILZNPP-UHFFFAOYSA-N dioctyl hydrogen phosphate Chemical compound CCCCCCCCOP(O)(=O)OCCCCCCCC HTDKEJXHILZNPP-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 229920000768 polyamine Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229930195734 saturated hydrocarbon Natural products 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 2
- 229960002317 succinimide Drugs 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 125000004434 sulfur atom Chemical group 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 2
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- DAZHWGHCARQALS-UHFFFAOYSA-N (2-methylphenyl) (4-methylphenyl) phenyl phosphate Chemical compound C1=CC(C)=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1 DAZHWGHCARQALS-UHFFFAOYSA-N 0.000 description 1
- JCDJGJCAOAFHSD-UHFFFAOYSA-N (4-butylphenyl) diphenyl phosphate Chemical compound C1=CC(CCCC)=CC=C1OP(=O)(OC=1C=CC=CC=1)OC1=CC=CC=C1 JCDJGJCAOAFHSD-UHFFFAOYSA-N 0.000 description 1
- AJPMQQSNPDNRBL-UHFFFAOYSA-N 1-dodecyl-7-thiabicyclo[4.1.0]hepta-2,4-dien-6-ol Chemical compound C1=CC=CC2(CCCCCCCCCCCC)C1(O)S2 AJPMQQSNPDNRBL-UHFFFAOYSA-N 0.000 description 1
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical class ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 description 1
- CYEJMVLDXAUOPN-UHFFFAOYSA-N 2-dodecylphenol Chemical compound CCCCCCCCCCCCC1=CC=CC=C1O CYEJMVLDXAUOPN-UHFFFAOYSA-N 0.000 description 1
- LIAWCKFOFPPVGF-UHFFFAOYSA-N 2-ethyladamantane Chemical compound C1C(C2)CC3CC1C(CC)C2C3 LIAWCKFOFPPVGF-UHFFFAOYSA-N 0.000 description 1
- ADRNSOYXKABLGT-UHFFFAOYSA-N 8-methylnonyl diphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OCCCCCCCC(C)C)OC1=CC=CC=C1 ADRNSOYXKABLGT-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CUDSBWGCGSUXDB-UHFFFAOYSA-N Dibutyl disulfide Chemical compound CCCCSSCCCC CUDSBWGCGSUXDB-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- KFXHEQAXULZZQV-UHFFFAOYSA-N OP1OS(=O)(=O)O1 Chemical compound OP1OS(=O)(=O)O1 KFXHEQAXULZZQV-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000010718 automatic transmission oil Substances 0.000 description 1
- JELQNFAUSQUEGV-UHFFFAOYSA-N benzyl diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OCC1=CC=CC=C1 JELQNFAUSQUEGV-UHFFFAOYSA-N 0.000 description 1
- LUFPJJNWMYZRQE-UHFFFAOYSA-N benzylsulfanylmethylbenzene Chemical compound C=1C=CC=CC=1CSCC1=CC=CC=C1 LUFPJJNWMYZRQE-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- ZLMKQJQJURXYLC-UHFFFAOYSA-N bis(2-ethylhexoxy)-oxophosphanium Chemical compound CCCCC(CC)CO[P+](=O)OCC(CC)CCCC ZLMKQJQJURXYLC-UHFFFAOYSA-N 0.000 description 1
- WFFZELZOEWLYNK-CLFAGFIQSA-N bis[(z)-octadec-9-enyl] hydrogen phosphate Chemical compound CCCCCCCC\C=C/CCCCCCCCOP(O)(=O)OCCCCCCCC\C=C/CCCCCCCC WFFZELZOEWLYNK-CLFAGFIQSA-N 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- BNMJSBUIDQYHIN-UHFFFAOYSA-N butyl dihydrogen phosphate Chemical compound CCCCOP(O)(O)=O BNMJSBUIDQYHIN-UHFFFAOYSA-N 0.000 description 1
- VHRGRCVQAFMJIZ-UHFFFAOYSA-N cadaverine Chemical compound NCCCCCN VHRGRCVQAFMJIZ-UHFFFAOYSA-N 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 150000001923 cyclic compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 description 1
- QHAUASBJFFBWMY-UHFFFAOYSA-N didecyl hydrogen phosphate Chemical compound CCCCCCCCCCOP(O)(=O)OCCCCCCCCCC QHAUASBJFFBWMY-UHFFFAOYSA-N 0.000 description 1
- JTXUVYOABGUBMX-UHFFFAOYSA-N didodecyl hydrogen phosphate Chemical compound CCCCCCCCCCCCOP(O)(=O)OCCCCCCCCCCCC JTXUVYOABGUBMX-UHFFFAOYSA-N 0.000 description 1
- SPBMDAHKYSRJFO-UHFFFAOYSA-N didodecyl hydrogen phosphite Chemical compound CCCCCCCCCCCCOP(O)OCCCCCCCCCCCC SPBMDAHKYSRJFO-UHFFFAOYSA-N 0.000 description 1
- XTBBZRRBOAVBRA-UHFFFAOYSA-N dimethyl phenyl phosphate Chemical compound COP(=O)(OC)OC1=CC=CC=C1 XTBBZRRBOAVBRA-UHFFFAOYSA-N 0.000 description 1
- FRXGWNKDEMTFPL-UHFFFAOYSA-N dioctadecyl hydrogen phosphate Chemical compound CCCCCCCCCCCCCCCCCCOP(O)(=O)OCCCCCCCCCCCCCCCCCC FRXGWNKDEMTFPL-UHFFFAOYSA-N 0.000 description 1
- ASMQGLCHMVWBQR-UHFFFAOYSA-M diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)([O-])OC1=CC=CC=C1 ASMQGLCHMVWBQR-UHFFFAOYSA-M 0.000 description 1
- NODGGJKZBPRISK-UHFFFAOYSA-N diphenyl propyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)(OCCC)OC1=CC=CC=C1 NODGGJKZBPRISK-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- YRIUSKIDOIARQF-UHFFFAOYSA-N dodecyl benzenesulfonate Chemical class CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 YRIUSKIDOIARQF-UHFFFAOYSA-N 0.000 description 1
- TVACALAUIQMRDF-UHFFFAOYSA-N dodecyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCOP(O)(O)=O TVACALAUIQMRDF-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- JSPBAVGTJNAVBJ-UHFFFAOYSA-N ethyl diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)(OCC)OC1=CC=CC=C1 JSPBAVGTJNAVBJ-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- IBONAIQEOFOONF-UHFFFAOYSA-N hexadecyl phenylmethanesulfonate Chemical compound CCCCCCCCCCCCCCCCOS(=O)(=O)CC1=CC=CC=C1 IBONAIQEOFOONF-UHFFFAOYSA-N 0.000 description 1
- KTUVYMAZYSSBKC-UHFFFAOYSA-N hexyl benzenesulfonate Chemical compound CCCCCCOS(=O)(=O)C1=CC=CC=C1 KTUVYMAZYSSBKC-UHFFFAOYSA-N 0.000 description 1
- PHNWGDTYCJFUGZ-UHFFFAOYSA-N hexyl dihydrogen phosphate Chemical compound CCCCCCOP(O)(O)=O PHNWGDTYCJFUGZ-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- GBHRVZIGDIUCJB-UHFFFAOYSA-N hydrogenphosphite Chemical compound OP([O-])[O-] GBHRVZIGDIUCJB-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000002960 margaryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001196 nonadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- FFQLQBKXOPDGSG-UHFFFAOYSA-N octadecyl benzenesulfonate Chemical compound CCCCCCCCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 FFQLQBKXOPDGSG-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-M phenolate Chemical compound [O-]C1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-M 0.000 description 1
- 229940031826 phenolate Drugs 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- CMPQUABWPXYYSH-UHFFFAOYSA-N phenyl phosphate Chemical compound OP(O)(=O)OC1=CC=CC=C1 CMPQUABWPXYYSH-UHFFFAOYSA-N 0.000 description 1
- CYQAYERJWZKYML-UHFFFAOYSA-N phosphorus pentasulfide Chemical compound S1P(S2)(=S)SP3(=S)SP1(=S)SP2(=S)S3 CYQAYERJWZKYML-UHFFFAOYSA-N 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 description 1
- QOQNJVLFFRMJTQ-UHFFFAOYSA-N trioctyl phosphite Chemical compound CCCCCCCCOP(OCCCCCCCC)OCCCCCCCC QOQNJVLFFRMJTQ-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- 239000001226 triphosphate Substances 0.000 description 1
- 235000011178 triphosphate Nutrition 0.000 description 1
- 125000002264 triphosphate group Chemical class [H]OP(=O)(O[H])OP(=O)(O[H])OP(=O)(O[H])O* 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 1
- DECPGQLXYYCNEZ-UHFFFAOYSA-N tris(6-methylheptyl) phosphite Chemical compound CC(C)CCCCCOP(OCCCCCC(C)C)OCCCCCC(C)C DECPGQLXYYCNEZ-UHFFFAOYSA-N 0.000 description 1
- QEDNBHNWMHJNAB-UHFFFAOYSA-N tris(8-methylnonyl) phosphite Chemical compound CC(C)CCCCCCCOP(OCCCCCCCC(C)C)OCCCCCCCC(C)C QEDNBHNWMHJNAB-UHFFFAOYSA-N 0.000 description 1
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 1
- COTPAMORPWZHKE-UHFFFAOYSA-H trizinc;thiophosphate;thiophosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=O.[O-]P([O-])([O-])=S COTPAMORPWZHKE-UHFFFAOYSA-H 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 229940071104 xylenesulfonate Drugs 0.000 description 1
Classifications
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- C10M133/16—Amides; Imides
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- C10M129/54—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring containing hydroxy groups
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/02—Bearings
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- C10N2040/044—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
Definitions
- the present invention relates to a lubricating oil composition for an automatic transmission, and more particularly, to a lubricating oil composition having a high transmission torque capacity and excellent shudder-vibration prevention performance, and particularly suitable for an automatic transmission having a slip control mechanism. It is about things.
- the present invention provides a method of lubricating an automatic transmission having a slip control mechanism. Further, the present invention provides a lubricating method for an automatic transmission having a high transmission torque capacity and an excellent anti-shugging function. It is intended to provide an automatic transmission filled with an oil composition.
- the automatic transmission is composed of a torque converter, a wet-type multi-plate clutch, a gear bearing mechanism, and a hydraulic control mechanism that controls them, and has a mechanism that automatically sets the transmission torque capacity according to running conditions.
- Lubricating oil for automatic transmission is commonly used in these mechanisms in such automatic transmissions.
- ATF Lubricating oil for automatic transmission
- It is required to function as oil and hydraulic oil.
- the first object of the present invention is to provide a lubricating oil composition for an automatic transmission that is excellent in anti-shudder-vibration performance without impairing the transmission torque capacity in view of the above-mentioned development situation of the lubricating oil for an automatic transmission. Is to provide.
- a second object of the present invention is to provide a lubricating method for an automatic transmission having a slip control mechanism using a lubricating oil composition for an automatic transmission having a high transmission torque capacity and excellent shudder vibration prevention performance. Is to provide.
- a third object of the present invention is to provide an automatic transmission filled with a lubricating oil composition having a high transmission torque capacity and excellent shudder vibration prevention performance. It is in.
- the present inventors have conducted intensive studies to achieve the above object, and as a result, a lubricating oil composition obtained by adding a specific imide compound as described in detail below to a lubricating base oil. It was found that the product had sufficient lubrication characteristics, transmission torque capacity and anti-shudder vibration prevention performance required for lubricating oil for automatic transmissions, and could achieve the intended purpose. Thus, the present invention has been completed.
- R and R 2 may be the same or different, each is a hydrocarbon group having 5 or more carbon atoms, and R 3 is a divalent C 1 to C 5 carbon atom.
- R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and n is an integer of 0 to 10).
- the present invention relates to a lubricating oil composition for a transmission.
- the lubricating base oil based on the total weight of the lubricating oil composition,
- R 1 and R 2 may be different bite other are identical to each other, are each 5 or more carbon atoms of the hydrocarbon group, R 3
- R 4 is a hydrogen atom or a carbon cohydrogen group having 1 to 20 carbon atoms
- n is an integer of 0 to 10. 0.02% to 4% by weight of a compound represented by the formula:
- a lubricating oil composition for an automatic transmission comprising:
- the lubricating base oil based on the total weight of the lubricating oil composition,
- R 1 and R 2 may be the same or different from each other, each is a hydrocarbon group having 5 or more carbon atoms, and R 3 is a divalent group having 1 to 5 carbon atoms.
- R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and n is an integer of 0 to 10.
- a method for lubricating an automatic transmission using a lubricating oil composition for an automatic transmission containing the compound represented by the general formula [I] can be provided.
- An object of the present invention is to provide an automatic transmission filled with a lubricating oil composition for an automatic transmission containing the compound represented by the general formula [I].
- R 1 and R 2 of the imid compound represented by the general formula [I] are each a linear hydrocarbon group having 5 or more carbon atoms.
- the base oil of the lubricating oil composition for an automatic transmission according to the present invention is not particularly limited, and any oil that is generally used as a lubricating oil base oil can be used. Any of these can be used.
- Mineral base oils include solvent-refined raffinates and lubricating oil raw materials obtained by treating lubricating oil raw materials obtained by atmospheric distillation and vacuum distillation of crude oils with aromatic extraction solvents such as phenol, furfural, and N-methylpyrrolidone.
- the isomerized oil obtained or a mixed oil thereof can be used.
- the lubricating oil-mixed base material can usually be produced by arbitrarily combining a solvent refining process, a hydrogenation process, an isomerization process, and the like.
- a purification step such as a white clay treatment step can be optionally employed.
- Mineral oil mixture Specific examples of the base material include light neutral oil, medium neutral oil, and heavy neutral oil bright stock.
- Examples of the synthetic base oil include poly- ⁇ -olefin, ⁇ -olefin copolymer, polybutene, alkylbenzene, polyol ester, dibasic acid ester, polyoxyalkylene glycol, polyoxyalkylene glycol ester and polyoxyalkylene glycol.
- Examples include alkylene glycol ethers and silicone oils.
- a desired lubricating base oil can be prepared by appropriately mixing oil and the like.
- the lubricating base oil of the present invention has a kinematic viscosity at 100 ° C. of usually 2 mm 2 / s to 20 mm 2 / s, preferably 3 mm 2 / s to 15 mm 2 Zs. Those having the following can be used.
- the imide compound used in the lubricating oil composition for an automatic transmission of the present invention has the following general formula [I]
- R 1 and R 2 may be the same or different from each other, and each is a saturated or unsaturated hydrocarbon group having 5 or more carbon atoms, preferably 5 to 40 carbon atoms.
- the hydrocarbon group include pentyl, hexyl, heptyl, octyl, nonyl, and decyl , Dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group, octadecyl group, nonadecyl group, oleyl group, and other hydrocarbon groups having up to 40 carbon atoms. it can.
- preferred hydrocarbon groups include straight-chain hydrocarbon groups having 8 to 25 carbon atoms.
- the number of carbon atoms of the hydrocarbon group is 4 or less, there is a possibility that the performance of preventing the vibration from shudder is reduced and a lubricating oil composition having sufficiently practical value as a lubricating oil for an automatic transmission may not be provided. .
- R 3 is a divalent hydrocarbon group having 1 to 5 carbon atoms, preferably an alkylene group having 2 to 3 carbon atoms.
- R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms.
- hydrocarbon group an alkyl group having 1 to 20 carbon atoms
- alkenyl group having 2 to 20 carbon atoms a cycloalkyl group having 6 to 20 carbon atoms
- R 4 is particularly preferably a hydrogen atom or an alkyl group having 1 to 10 carbon atoms. As the above hydrocarbon group
- Each having about 1 to 5 can be used.
- An amino group is represented by one NH— or one NH 2 , and the amide bond is
- n is an integer of 1 to 10, preferably 1 to 5.
- R 1 and R 2 each have 8 carbon atoms.
- R 4 is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, and the hydrocarbon group may have an amino group and / or an amide bond. , N ;! ⁇ 5.
- the imid compound of the present invention is added in an effective amount to the base oil of the lubricating oil composition for an automatic transmission.
- the above-mentioned imid compound is composed of hydrocarbon-substituted succinic anhydride and polyamine
- Examples of preferred polyamines for the synthesis include monodiamines such as ethylenediamine, propylenediamine, butylenediamine and pentylenediamine, and polyalkylenepolyamines such as diethylenetriamine, triethylenetetramine and tetraethylenepentamine. it can.
- the lubricating oil composition for an automatic transmission contains the imide compound represented by the above general formula [I] as an essential component, so that when used as an automatic transmission oil, the transmission torque capacity is reduced. Without lowering, the performance of preventing shudder vibration is improved, and it has a remarkable effect especially in preventing shudder vibration of an automatic transmission with a slip control mechanism. Further, by adding a metal salt of an organic acid and / or a phosphorus-based compound and combining it with an imid-based compound, it is possible to further improve the performance of preventing shudder vibration.
- Organic acid metal salts include sulfonates, phenates, salicylates and the like. And phosphonates.
- the metal component of the organic acid metal salt is preferably an alkaline earth metal, for example, calcium, magnesium, norium and the like.
- Specific examples of the organic acid metal salt include calcium sulfonate, phenate, salicylate and phosphonate, and magnesium sulfonate, phenate, salicylate and phosphonet.
- Sulfonate, phenate, salicylate and phosphonate have a hydrocarbon group, and at least one of the hydrocarbon groups is preferably a relatively long chain having 6 or more carbon atoms.
- a linear or branched alkyl group having 6 to 18 carbon atoms For example, a linear or branched alkyl group having 6 to 18 carbon atoms; a linear or branched alkenyl group having 6 to 18 carbon atoms; a cycloalkyl group having 6 to 18 carbon atoms; An aryl group of 8 or the like can be used, and the aryl group may have an alkyl group having 1 to 12 carbon atoms or an alkenyl group having 2 to 12 carbon atoms as a substituent.
- a preferred hydrocarbon group is an alkyl group having 6 to 18 carbon atoms, and an alkyl group having 8 to 12 carbon atoms is particularly preferred from the viewpoint of improving the transfer torque capacity.
- the sulfone include alkyl benzene sulfonates, for example, hexyl benzene sulfonate, hexadecyl toluene sulfonate, hexadecyl xylene sulfonate, octadecyl benzene sulfonate, dodecyl benzene sulfonate Salt and the like can be mentioned, and calcium and magnesium are preferable as the metal component.
- the salicylate preferably has an alkyl group having 10 to 14 carbon atoms, and specific examples thereof include dodecylzalicylate. Calcium and magnesium are preferred as metal components.
- the phenolate is preferably a metal salt of an alkylphenol or a sulfurized alkylphenol, such as a calcium salt of dodecylphenol or dodecylphenol sulfide.
- Phosphonate is a metal salt of phosphonic acid or thiophosphonic acid obtained by reacting polyolefin with phosphorus pentasulfide, and calcium and magnesium are used as metal components.
- These organic acid metal salts preferably have a total base number of 1 O mg KOHZ g to 400 mg KOH / g.
- the organic metal salt of sulfonate, phenate, salicylate and phosphonate is contained in an amount of from 0.02% to 5% by weight, preferably from 0.1% to 2% by weight, based on the total weight of the lubricating oil composition. It is effective to mix them.
- organic acid metal salts may be those produced by a known method, and commercially available products may be selected and used.
- Examples of the phosphorus compound include a phosphoric acid ester, an acidic phosphoric acid ester, a phosphite, an acidic phosphite, zinc thiophosphate, etc., and represented by the general formulas [III], [IV] And those represented by [V] can be used.
- R 5 is a carbon hydrocarbon radical or a sulfur atom-containing hydrocarbon group having 1 to 30 carbon atoms, the same or in each of the general formula It may be different.
- X is 1, 2 or 3
- y is 1 or 2.
- Preferred hydrocarbon groups are alkyl groups having 1 to 30 carbon atoms; alkenyl groups having 2 to 30 carbon atoms; cycloalkyl groups having 6 to 30 carbon atoms; aryl groups having 6 to 30 carbon atoms, alkylaryl groups, and arylalkyl groups. It is.
- Particularly preferred hydrocarbon groups are linear or branched alkyl groups having 3 to 24 carbon atoms.
- triphosphates and the like are used as phosphate esters.
- Examples of the acidic phosphoric acid ester include monobutyl phosphate, monohexyl phosphate, monooctyl phosphate, monolauryl phosphate, monophenyl phosphate, dibutyl phosphate, dioctyl phosphate, and di (2-ethylhexyl) phosphate. And didecyl phosphate, dilauryl phosphate, dioleyl phosphate, distearyl phosphate, diphenyl phosphate and the like. Among these, a mono- or dialkyl phosphite having an alkyl group having 3 to 10 carbon atoms or a mixture thereof is preferable.
- phosphites include triphenyl phosphite, tri (P-cresyl) phosphite, tris (nonyl phenyl) phosphite, trioctyl phosphite and triisooctyl phosphite. And diphenyl isodecyl phosphite, phenyl isodecyl phosphite, triisodecyl phosphite, tristearyl phosphite, trioleyl phosphite and the like.
- Acid phosphites include, for example, di-2-ethylhexylhydrogen phosphite, dilauryl hydrogen phosphite, Georail Hydrogen Phosphite and the like.
- sulfur atom-containing hydrocarbon group examples include a dodecylthioethyl group.
- the above-mentioned phosphorus compound is present in an amount of 0.01 to 5% by weight, preferably 0.03 to 3% by weight, based on the total weight of the lubricating oil composition, based on the lubricating oil base oil. It is compounded by. A particularly preferred amount is in the range of 0.05% by weight to 1% by weight.
- the phosphorus compound may be one obtained by a usual production method, and a commercially available product can be selected and used.
- the lubricating oil composition for an automatic transmission according to the present invention may further contain, if necessary, other additives such as other friction modifiers, antiwear agents, viscosity index improvers, ashless dispersants, and antioxidants.
- other additives such as other friction modifiers, antiwear agents, viscosity index improvers, ashless dispersants, and antioxidants.
- An extreme pressure agent, a metal deactivator, a pour point depressant, an antifoaming agent, a corrosion inhibitor and the like can be added as appropriate.
- polymethacrylate-based, polyisobutylene-based, ethylene-propylene copolymer-based, styrene-butadiene hydrogenated copolymer and the like can be used, and these are 3% by weight to 35% by weight. Used in proportions.
- ashless dispersant examples include polybutenyl succinic acid imid type, polybutenyl succinic acid imid type, benzylamine type, and succinic ester type. These are 0.05% to 7% by weight. Used in proportions.
- antioxidants examples include amide-based antioxidants such as alkylated difuunilamine, phenyl ⁇ -naphthylamine, alkylated phenyl- ⁇ -naphthylamine, 2,6-ditertiarybutylphenol, and 4,4′-methylenebis-monoamine.
- examples thereof include phenolic antioxidants such as (2,6-di-tert-butylphenol) and zinc dithiophosphate, which are used in a proportion of 0.05% by weight to 5% by weight.
- extreme pressure agents include dibenzyl sulfide and dibutyl disulfide, which are used at a rate of 0.05% to 3% by weight. Is done.
- metal deactivator examples include benzotriazole, thiadiazole, etc., which are used in a proportion of 0.1% to 3% by weight o
- Pour point depressants include, for example, ethylene-vinyl acetate copolymer, condensates of chlorinated balafins with naphthalene, condensates of chlorinated paraffins with phenol, polymethacrylates, polyalkylstyrenes, etc. These are used in a ratio of 0.1% by weight to 10% by weight. Further, other additives such as a corrosion inhibitor and an antifoaming agent can be used as long as the object of the present invention is not impaired.
- Antifoaming agent 0.0001 ′ 1 Next, preferred embodiments (1) to (13) of the lubricating oil composition of the present invention will be described below.
- R 1 and R 2 may be the same or different from each other, each is a hydrocarbon group having 5 to 40 carbon atoms, and R 3 is a hydrocarbon group having 1 to 5 carbon atoms.
- R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group may have an amino group and / or an amide bond;
- a lubricating oil composition for an automatic transmission comprising an effective amount of a compound represented by the formula:
- Lubricant base oil based on the total weight of the composition
- R 1 and R 2 may be the same or different from each other, each is a hydrocarbon group having 5 to 40 carbon atoms, and R 3 is a hydrocarbon group having 1 to 5 carbon atoms.
- R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group may have an amino group and a Z or amide bond;
- R 1 and R 2 may be the same or different from each other, and may be H, each having 8 to 25 carbon atoms and having no branch, and C and R 3 are A divalent hydrocarbon group having 2 to 5 carbon atoms, R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group has an amino group and a no or amide bond; N may be an integer from 0 to 10.
- a lubricating oil composition for an automatic transmission comprising an effective amount of a compound represented by the formula: (5) a lubricating base oil, based on the total weight of the composition,
- R 1 and R 2 are identical to each other may be different, are each a straight-chain hydrocarbon group having no branching carbon atoms 8 to 2 5, R 3 Is a divalent hydrocarbon group having 2 to 5 carbon atoms, R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group has an amino group and / or an amide bond. And n is an integer from 0 to 10.
- a lubricating oil composition for an automatic transmission comprising
- Lubricant base oil based on the total weight of the composition
- R 1 and R 2 may be the same or different from each other, each is a straight-chain hydrocarbon group having 825 carbon atoms and having no branch, and R 3 is A divalent hydrocarbon group having 25 carbon atoms, R 4 is a hydrogen atom or a hydrocarbon group having 120 carbon atoms, and the hydrocarbon group may have an amino group and / or an amide bond; , N is an integer of 0 10.
- a lubricating oil composition for an automatic transmission comprising
- R 1 and R 2 are the same as each other.
- R 3 is a divalent hydrocarbon group having 2 to 5 carbon atoms, each of which is a straight-chain unsaturated hydrocarbon group having 8 to 25 carbon atoms and having no branch.
- 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group may have an amino group and a amino or amide bond, and n is an integer of 0 to 10.
- a lubricating oil composition for an automatic transmission comprising an effective amount of a compound represented by the following formula:
- R 1 and R 2 may be the same or different from each other, and each is a straight-chain unsaturated hydrocarbon group having 8 to 25 carbon atoms and having no branch; 3 is a divalent hydrocarbon group having 2 to 5 carbon atoms, R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group has an amino group and / or an amide bond.
- N may be an integer from 0 to 10.
- a lubricating oil composition for an automatic transmission comprising
- R 1 and R 2 may be the same or different from each other, and each is a straight-chain unsaturated hydrocarbon group having 8 to 25 carbon atoms and having no branch, R 3 is a divalent hydrocarbon group having 2 to 5 carbon atoms, R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group is an amino group and a di- or amide group. It may have a bond, and n is an integer of 0 to 10.
- a lubricating oil composition for an automatic transmission comprising
- R 1 and R 2 are the same as each other.
- R 4 is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, wherein R 4 is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms.
- the group may have an amino group and / or an amide bond, and n is an integer of 1-5.
- a lubricating oil composition for an automatic transmission comprising an imid compound represented by the formula: (11) a lubricating base oil, based on the total weight of the composition,
- R 1 and R 2 may be the same as or different from each other, and are an unbranched H straight-chain hydrocarbon group having 8 to 25 carbon atoms.
- 4 is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, and the hydrocarbon group may have an amino group and / or an amide bond, and n is an integer of from! is there.
- a lubricating oil composition for an automatic transmission comprising
- R 1 and R 2 may be the same or different from each other, are a straight-chain hydrocarbon group having 8 to 25 carbon atoms and having no branch, and R 4 is a hydrogen atom. Or a hydrocarbon group having 1 to 10 carbon atoms, and the hydrocarbon group may have an amino group and / or an amide bond, and n is an integer of from!
- a lubricating oil composition for an automatic transmission comprising
- the lubricating base oil contains the compound represented by the general formula [I] and the metal salt of an organic acid and / or a phosphorus compound, and further has an anti-wear agent and an improved viscosity index.
- a solvent refined paraffinic mineral oil having a kinematic viscosity of 4 mm 2 Zs at 100 was used as a lubricating base oil, and based on the total weight of the lubricating oil composition, an imid compound (compound A) was used. 0.5 to 2% by weight
- a lubricating oil composition for an automatic transmission which contains 0.02 to 0.1% of benzotriazole.
- the shudder vibration prevention performance and transmission torque capacity were evaluated by the following measurement methods.
- Friction coefficient UHM l ratio in friction coefficient ML ⁇ ⁇ ⁇ relative slip velocity 0. 5 ms in 5 ms and shudder one antivibration performance index criteria shudder one antivibration effect And If ⁇ ⁇ UL ratio (Shaguh anti-vibration performance index)> 1, shudder will not occur in the actual machine.
- Friction material SD-1777, 3 pieces
- the friction material is rotated at 3600 rpm with an inertial weight of 3.5 kgf ⁇ cm ⁇ s 2 without load, and pressure is applied so that the friction material is sandwiched between steel plates, and the rotation is stopped.
- the transmission torque capacity is evaluated based on the static friction coefficient s at 100 c / c in SA EN No. 2 test. The higher the s is over 0.100, the higher the transmission torque capacity is evaluated.
- Table 1 shows the composition of the imide compound of the present invention (compounds ⁇ to ⁇ ) and the imide compound (compounds I to J) used for comparison, and the base oils used in Examples and Comparative Examples are shown in Table 1.
- Tables 2 to 4 summarize the additive composition and the performance evaluation of the lubricating oil composition.
- Solvent-refined paraffinic mineral oil (kinematic viscosity at 100 ° C; 4 mm 2 / s) was used as the lubricating base oil.
- Imide-based compound (Compound A) 1.0% by weight, calcium sulfonate (total base) Value 300 mg K 0 H / g) 0.3% by weight, tributyl phosphate 0.2% by weight, polymethacrylate (viscosity index improver) 5.0% by weight, polyisobutenyl succinic acid imid (none Ash dispersant) 4.0% by weight, 2.6-di-tert-butyl-4-methylphenol (antioxidant) 0.4% by weight and benzotriazole (metal deactivator) 0.05% by weight
- a lubricating oil composition containing was prepared.
- R 1 and R 2 are each a linear alkyl group having 12 carbon atoms
- R 3 is an alkylene group having 2 carbon atoms
- R 4 is a hydrogen atom
- n is It is an imid compound of 2.
- the resulting lubricating oil composition was measured for its anti-shudder vibration performance and transmitted torque capacity, and the following results were obtained.
- ⁇ -olefin copolymer-based synthetic oil (kinematic viscosity at 100 ° C: 4 mm 2 / s [SHF 41 by Mobile Oil Co., Ltd.]) was used instead of solvent-refined paraffinic mineral oil.
- a lubricating oil composition was prepared in the same manner as in Example 1. The performance index of shudder vibration prevention and transmission torque capacity were measured, and the results are shown in Table 1. Substantially equivalent results were obtained when compared to mineral base oils.
- a lubricating oil composition was prepared in the same manner as in Example 1 except that Compound B shown in Table 4 was used instead of Compound A as the imide compound.
- R 1 and R 2 are each a straight-chain alkyl group having 12 carbon atoms
- R 3 is an ethylene group
- R 4 is an alkyl group having 6 carbon atoms
- an —NH— group It is an imid compound in which two — and three NH 2 atoms are bonded.
- n is 2.
- the lubricating oil composition was subjected to performance evaluation, and the results shown in Table 2 were obtained. Shada One-vibration prevention performance index ( ⁇ ⁇ Ratio) was 1.07, and the transmission torque capacity (s) was 0.146, which was an extremely good result.
- a lubricating oil composition was obtained under the same conditions and operations as in Example 1 except that compound C was used instead of compound ⁇ ⁇ ⁇ as the imide compound.
- R 1 and R 2 are each a linear alkyl group having 18 carbon atoms
- R 3 is an ethylene group
- R 4 is a hydrogen atom
- n is 2 It is an imid compound.
- Table 2 shows the measurement results of the lubricating oil composition's shudder vibration prevention performance index ( ⁇ L ratio) and transmission torque capacity (S).
- Example 1 was repeated except that Compound A (Example 12), Compound E (Example 13) and Compound F (Example 14) were used instead of Compound A as imid compounds.
- a lubricating oil composition was prepared in the same manner.
- R 1 and R 2 each have a linear alkyl group having 18 carbon atoms, R 3 has an ethylene group, and R 4 has two amide bonds (one CO—N—).
- Compound E is an imid compound in which R 1 and R 2 are each a linear alkyl group having 24 carbon atoms, R 3 is an ethylene group, R 4 is a hydrogen atom, and n is 2.
- Compound F is an imid compound in which R 1 and R 2 are each a linear alkyl group having 8 carbon atoms, R 3 is an ethylene group, R 4 is a hydrogen atom, and n is 2.
- compound G (Example 15) instead of compound A
- a lubricating oil composition was prepared in the same manner as in Example 1 except that Compound H and Compound H (Example 16) were used.
- compounds G and H are imid compounds in which R 1 and R 2 each have a linear unsaturated hydrocarbon group. Table 3 shows the evaluation results.
- a lubricating oil composition was prepared using Compound G as the imide compound and using acid phosphate and acid phosphite in the proportions shown in Table 3 in place of the phosphate.
- Table 3 shows the results of the composition and performance evaluation (shudder vibration prevention performance and transmission torque capacity).
- the lubricating oil composition was prepared by mixing the base oils shown in Table 3 and various additives in the proportions shown in the same table. For each composition, the shudder vibration prevention performance index ( ⁇ L ratio) and the transmitted torque capacity were determined, and the results are shown in Table 3.
- R 1 and R 2 are each an n-butyl group having 4 carbon atoms, R 3 is an ethylene group, R 4 is a hydrogen atom, and n is 2 It is a compound of the type.
- R 1 is a straight-chain alkyl group having 12 carbon atoms
- R 2 is a cyclic hydrocarbon group and is not a straight-chain saturated hydrocarbon group. It is an imid compound containing a hydrocarbon group.
- polyisobutenyl group of the polyisobutenyl succinic acid imide used here is different from the straight-chain hydrocarbon group having 5 or more carbon atoms and having no branch in the present invention. Yes, no improvement in shudder vibration prevention performance.
- the anti-shudder vibration index of the lubricating oil composition of Comparative Example 14 using Compound J was reduced to 0.94 and 1.00 or less, resulting in the lack of anti-shudder vibration prevention performance. Since R 2 of compound J is a cyclic compound, if both R 1 and R 2 are not straight-chain hydrocarbons, they provide anti-shaddle vibration prevention performance while maintaining transmission torque capacity. It indicates that it is not possible.
- R 1 and R 2 of the compound A ⁇ H is a linear alkyl group having 8 or more carbon atoms as shown in Table, shudder one antivibration performance without these lubricating oil composition using compromising torque capacity Has a remarkable effect.
- the imid-based compound of the present invention has a content range in which a more remarkable effect can be exhibited.
- the content of the additives is indicated by% by weight based on the total weight of the composition.
- the content of the additives is indicated by% by weight based on the total weight of the composition.
- the lubricating oil composition for an automatic transmission comprises the above-mentioned imid compound in a lubricating base oil, and is an index of anti-shudder vibration prevention performance in an automatic transmission with a slip control mechanism. It can improve the slope of the ⁇ -V curve, and even when the lock-up mechanism is operated in the low-speed range, it exhibits excellent anti-shudder vibration prevention performance without impairing the transmission torque capacity, and power transmission. Very useful as a fluid.
- the present invention it is possible to provide a method of lubricating an automatic transmission with a slip control mechanism using the lubricating oil composition for an automatic transmission containing an imid-based compound. Further, it is possible to provide an automatic transmission equipped with a lock-up mechanism filled with a lubricating oil composition having a high transmission torque capacity and an excellent anti-shudder vibration prevention performance.
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Abstract
A lubricating oil composition for automatic transmissions, comprising a base oil and a compound of general formula (I), wherein R?1 and R2¿ are each hydrocarbyl having 5 or more carbon atoms; R3 is a C¿1?-C5 hydrocarbon group; R?4¿ is hydrogen or a C¿1?-C20 hydrocarbyl optionally having an amino group and/or an amide linkage; and n is an integer of 0 to 10.
Description
明 細 書 Specification
自動変速機用潤滑油組成物 発明の技術分野 Technical field of the invention
本発明は、 自動変速機用潤滑油組成物に関し、 さらに詳しくは、 伝達 トルク容量が高く、 かつシャダ一振動防止性能に優れ、 特にスリップ制 御機構を備えた自動変速機に好適な潤滑油組成物に関するものである。 TECHNICAL FIELD The present invention relates to a lubricating oil composition for an automatic transmission, and more particularly, to a lubricating oil composition having a high transmission torque capacity and excellent shudder-vibration prevention performance, and particularly suitable for an automatic transmission having a slip control mechanism. It is about things.
また、 本発明は、 スリップ制御機構を備えた自動変速機の潤滑方法を 提供するものであり、 さらに、 本発明は、 伝達トルク容量が高く、 シャ グー振動防止性能に優れた自動変速機用潤滑油組成物を充填した自動変 速機を提供するものである。 背景技術 In addition, the present invention provides a method of lubricating an automatic transmission having a slip control mechanism. Further, the present invention provides a lubricating method for an automatic transmission having a high transmission torque capacity and an excellent anti-shugging function. It is intended to provide an automatic transmission filled with an oil composition. Background art
自動変速機はトルクコンバーター、 湿式多板クラッチ、 歯車軸受機構 およびこれらをコントロールする油圧制御機構から構成され、 走行条件 に応じて伝達トルク容量が自動的に設定される機構を有している。 The automatic transmission is composed of a torque converter, a wet-type multi-plate clutch, a gear bearing mechanism, and a hydraulic control mechanism that controls them, and has a mechanism that automatically sets the transmission torque capacity according to running conditions.
自動変速機用潤滑油 （A T F ) は、 このような自動変速機内において これらの機構で共通に使用されるものであり、 自動変速機を円滑に作動 させるためには動力伝達流体として、 また、 潤滑油および作動油として 機能することが求められている。 Lubricating oil for automatic transmission (ATF) is commonly used in these mechanisms in such automatic transmissions. In order to operate the automatic transmission smoothly, as a power transmission fluid, It is required to function as oil and hydraulic oil.
ところで、 近年、 多くの自動車の自動変速機には燃料消費率向上に有 効なロックアップクラッチがトルクコンバーター内に内蔵され、 トルク コンバ一夕駆動と直接駆動との切替を適当な時期に行なうことにより、 走行条件に応じてエンジンの駆動力を直接トランスミツションへ伝達し 、 トルクコンバーターの効率を向上させるように設計されているが、 従 来のロックアップ機構は、 高速域においてのみ作動させ、 低速域におい ては作動させなかったため、 自動車の発進時など低速域においては、 ト
ルクコンバータ一によるトルク伝達の際にエンジン出力回転数とトラン スミツション入力回転数との間に動力伝達ロスが生じ、 燃料消費率悪化 の原因となっていた。 この動力伝達ロスを低減させ、 燃料消費率を向上 させるため、 最近では自動変速機の低速域においてもロックアップ機構 を作動させるスリップ制御方式が導入されている。 By the way, in recent years, automatic transmissions of many automobiles have a built-in lock-up clutch in the torque converter that is effective for improving the fuel consumption rate, and it is necessary to switch between the torque converter overnight drive and direct drive at the appropriate time. Is designed to directly transmit the driving force of the engine to the transmission according to the driving conditions, thereby improving the efficiency of the torque converter.However, the conventional lock-up mechanism operates only in the high-speed range, Since it was not operated in the low-speed range, when the vehicle started, the vehicle was not operated in the low-speed range. When torque was transmitted by the LUC converter 1, a power transmission loss occurred between the engine output speed and the transmission input speed, causing the fuel consumption rate to deteriorate. In order to reduce this power transmission loss and improve the fuel consumption rate, a slip control system that activates the lock-up mechanism even in the low speed range of automatic transmissions has recently been introduced.
しかしながら、 低速域においてロップアップ機構を作動させた場合に ロックアップクラッチ摩擦面でシャダ一 （ S h u d d e r ) と呼ばれる 車体異常振動が頻繁に発生するという問題が指摘されている。 特に、 ス リップ制御方式口ックアツプクラッチにおいては、 すべり速度の増加に 伴なつて摩擦係数が低下する場合にシャダ一が発生し易くなるため、 す ベり速度の増加に伴ない摩擦係数が高くなるように、 μ (摩擦係数） - V (すべり速度） 特性が改良され、 シャダ一振動防止性能に優れた自動 変速機用潤滑油が要求されている。 However, it has been pointed out that when the drop-up mechanism is operated in a low speed range, abnormal body vibration called shudder (Shu dder) frequently occurs on the friction surface of the lock-up clutch. In particular, in the case of the slip control type mouth-up clutch, when the friction coefficient decreases as the sliding speed increases, shudder tends to occur, so that the friction coefficient as the sliding speed increases is reduced. There is a demand for lubricating oil for automatic transmissions with improved μ (coefficient of friction)-V (slip speed) characteristics and high anti-shudder vibration prevention performance.
従来、 自動変速機用潤滑油には、 摩擦調整剤としてリン酸エステルの ほか、 アミ ド、 カルボン酸、 アミン等を用いることが提案されているが 、 このような摩擦調整剤には、 ロックアップクラッチ部の摩擦係数を低 下させ、 伝達トルク容量が不十分であるという難点があった。 このため 、 シャダ一振動防止性能と伝達トルク容量とを兼ね備えた自動変速機用 潤滑油が要求されてきており、 その技術開発が強く望まれてきた。 発明の開示 Conventionally, it has been proposed to use amides, carboxylic acids, amines, and the like in addition to phosphate esters as friction modifiers in lubricating oils for automatic transmissions. There was a problem that the friction coefficient of the clutch part was reduced and the transmission torque capacity was insufficient. For this reason, a lubricating oil for an automatic transmission having both shudder vibration prevention performance and transmission torque capacity has been demanded, and technical development thereof has been strongly desired. Disclosure of the invention
本発明はの第一の目的は、 自動変速機用潤滑油の前述の如き開発状況 に鑑み、 伝達トルク容量を損なうことなく、 シャダ一振動防止性能に優 れた自動変速機用潤滑油組成物を提供することにある。 SUMMARY OF THE INVENTION The first object of the present invention is to provide a lubricating oil composition for an automatic transmission that is excellent in anti-shudder-vibration performance without impairing the transmission torque capacity in view of the above-mentioned development situation of the lubricating oil for an automatic transmission. Is to provide.
また、 本発明の第二の目的は、 伝達トルク容量が高く、 かつ、 シャダ 一振動防止性能に優れた自動変速機用潤滑油組成物を用いるスリップ制 御機構を備えた自動変速機の潤滑方法を提供することにある。 A second object of the present invention is to provide a lubricating method for an automatic transmission having a slip control mechanism using a lubricating oil composition for an automatic transmission having a high transmission torque capacity and excellent shudder vibration prevention performance. Is to provide.
さらに、 本発明の第三の目的は伝達トルク容量が高く、 かつ、 シャダ 一振動防止性能に優れた潤滑油組成物を充填した自動変速機を提供する
ことにある。 Further, a third object of the present invention is to provide an automatic transmission filled with a lubricating oil composition having a high transmission torque capacity and excellent shudder vibration prevention performance. It is in.
本発明者らは、 上記目的を達成するため鋭意研究を重ねた結果、 潤滑 油基油に、 以下に詳述するような特定のィミ ド系化合物を含有させるこ とにより得られる潤滑油組成物が自動変速機用潤滑油として要求される 潤滑特性、 伝達トルク容量およびシャダ一振動防止性能を不足なく有す るものであり、 所定の目的を達成しうることを見出し、 これらの知見に 基づいて本発明を完成するに到った。 The present inventors have conducted intensive studies to achieve the above object, and as a result, a lubricating oil composition obtained by adding a specific imide compound as described in detail below to a lubricating base oil. It was found that the product had sufficient lubrication characteristics, transmission torque capacity and anti-shudder vibration prevention performance required for lubricating oil for automatic transmissions, and could achieve the intended purpose. Thus, the present invention has been completed.
すなわち、 本発明によれば、 That is, according to the present invention,
潤滑油基油に、 Lubricating base oil,
下記一般式 [ I ] The following general formula [I]
R 1 R 1
(上記一般式 [ I ] において、 R および R 2 は互いに同一であるかま たは異なるものでもよく、 各々炭素数 5以上の炭化水素基であり、 R 3 は炭素数 1 〜 5の 2価の炭化水素基であり、 R 4 は水素原子または炭素 数 1 〜 2 0の炭化水素基であり、 nは 0 〜 1 0の整数である。 ） で表される化合物を有効量配合してなる自動変速機用潤滑油組成物に関 するものである。 (In the general formula [I], R and R 2 may be the same or different, each is a hydrocarbon group having 5 or more carbon atoms, and R 3 is a divalent C 1 to C 5 carbon atom. R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and n is an integer of 0 to 10). The present invention relates to a lubricating oil composition for a transmission.
また、 本発明によれば、 According to the present invention,
潤滑油基油に、 潤滑油組成物全重量基準で、 The lubricating base oil, based on the total weight of the lubricating oil composition,
( a ) (a)
H H
は炭素数 1〜 C5の 2価の炭化水素基であり、 R4 は水素原子または炭素 数 1〜20の炭素 co化水素基であり、 nは 0~ 1 0の整数である。 ） で表される化合物 0. 02重量％〜4重量％ ならびに Is a divalent hydrocarbon group having 1 to C5 carbon atoms, R 4 is a hydrogen atom or a carbon cohydrogen group having 1 to 20 carbon atoms, and n is an integer of 0 to 10. 0.02% to 4% by weight of a compound represented by the formula:
( b ) スルホネート、 フエネート、 サリシレートおよびホスホネートか らなる群より選択される少なく とも一種の有機酸金属塩 0. 02重量％ 〜 5重量％ (b) at least one metal salt of an organic acid selected from the group consisting of sulfonates, phenates, salicylates and phosphonates; 0.02% by weight to 5% by weight
を配合してなる自動変速機用潤滑油組成物を提供することができ、 さらに、 本発明によれば、 A lubricating oil composition for an automatic transmission, comprising:
潤滑油基油に、 潤滑油組成物全重量基準で、 The lubricating base oil, based on the total weight of the lubricating oil composition,
( a) 一般式 [ I ] (a) General formula [I]
R1. 0 0 .R2 R 1. 0 0 .R 2
\ II II z \ II II z
HC-C C-CH HC-C C-CH
. / . /
Nチ R3 - N R3 - N [I] N Chi R 3 -NR 3 -N [I]
R' n C-CH: R 'n C-CH :
II II
0 0
(上記一般式 [ I ] において、 R1 および R2 は互いに同一であるかま たは異なるものでもよく、 各々炭素数 5以上の炭化水素基であり、 R3 は炭素数 1〜5の 2価の炭化水素基であり、 R4 は水素原子または炭素 数 1〜2 0の炭化水素基であり、 nは 0〜 1 0の整数である。 ） で表される化合物 0. 02重量％〜4重量％、 (In the general formula [I], R 1 and R 2 may be the same or different from each other, each is a hydrocarbon group having 5 or more carbon atoms, and R 3 is a divalent group having 1 to 5 carbon atoms. R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and n is an integer of 0 to 10.) A compound represented by the following formula: 0.02% by weight to 4% weight%,
( b ) スルホネート、 フエネート、 サリシレートおよびホスホネートか らなる群より選択される少なく とも一種の有機酸金属塩 0. 02重量％ 〜5重量％ ならびに (b) at least one metal salt of an organic acid selected from the group consisting of sulfonates, phenates, salicylates and phosphonates; from 0.02% to 5% by weight; and
( c ) リン酸エステル、 酸性リン酸エステル、 亜リン酸エステルおよび 酸性亜リン酸エステルからなる群より選択される少なく とも一種の化合 物 0. 0 1重量％〜5重量％
を配合してなる自動変速機用潤滑油組成物を提供することができる。 また、 本発明によれば、 (c) at least one compound selected from the group consisting of phosphate, acid phosphate, phosphite, and acid phosphite 0.01% by weight to 5% by weight Can be provided. According to the present invention,
前記一般式 [ I ] で表わされる化合物を含有する自動変速機用潤滑油 組成物を用いる自動変速機の潤滑方法を提供することができる。 A method for lubricating an automatic transmission using a lubricating oil composition for an automatic transmission containing the compound represented by the general formula [I] can be provided.
さらに、 本発明によれば、 Further, according to the present invention,
前記一般式 [ I ] で表わされる化合物を含有する自動変速機用潤滑油 組成物を充填してなる自動変速機を提供するものである。 An object of the present invention is to provide an automatic transmission filled with a lubricating oil composition for an automatic transmission containing the compound represented by the general formula [I].
本発明の特異性は、 前記一般式 [ I ] で表されるィミ ド系化合物の R 1 および R 2 が各々炭素数 5以上の直鎖状炭化水素基であることを一つ の特徴とする新規化合物を提供したことに基づくものであり、 従来、 認 識し得なかった摩擦調整剤の作用効果として、 自動変速機用潤滑油の伝 達トルク容量を低下させることなくシャダー振動防止性能を改善できる ことに着目したことにある。 発明を実施するための最良の形態 The specificity of the present invention is characterized in that R 1 and R 2 of the imid compound represented by the general formula [I] are each a linear hydrocarbon group having 5 or more carbon atoms. The effect of a friction modifier, which could not be recognized in the past, was to improve the anti-shudder vibration performance without lowering the transmission torque capacity of lubricating oil for automatic transmissions. We have focused on what can be improved. BEST MODE FOR CARRYING OUT THE INVENTION
本発明の自動変速機用潤滑油組成物の基油としては、 特に限定される ものではなく、 一般に潤滑油基油として用いられているものであれば採 用することができ、 鉱油および合成油等のいずれをも使用することがで きる。 The base oil of the lubricating oil composition for an automatic transmission according to the present invention is not particularly limited, and any oil that is generally used as a lubricating oil base oil can be used. Any of these can be used.
鉱油系基油としては、 原油の常圧蒸留および減圧蒸留により得られる 潤滑油原料をフ ノール、 フルフラール、 N —メチルピロリ ドンの如き 芳香族抽出溶剤で処理して得られる溶剤精製ラフィネート、 潤滑油原料 を水素化処理用触媒の存在下において水素化処理条件下で水素と接触さ せて得られる水素化処理油、 ヮックスを異性化用触媒の存在下において 異性化条件下で水素と接触させて得られる異性化油またはこれらの混合 油を用いることができる。 潤滑油混合基材は、 通常、 溶剤精製工程、 水 素化処理工程および異性化工程等を任意に組み合せて製造することがで きるが、 いずれの製造方法によっても、 脱螝工程、 水素化仕上げ工程、 白土処理工程等の精製工程を任意に採用することができる。 鉱油系混合
基材の具体例として、 軽質ニュートラル油、 中質ニュートラル油、 重質 ニュートラル油ブライ トストツク等を例示することができる。 Mineral base oils include solvent-refined raffinates and lubricating oil raw materials obtained by treating lubricating oil raw materials obtained by atmospheric distillation and vacuum distillation of crude oils with aromatic extraction solvents such as phenol, furfural, and N-methylpyrrolidone. A hydrogenated oil obtained by contacting hydrogen with hydrogen under hydrotreating conditions in the presence of a hydrotreating catalyst, and a hydrogenated oil obtained by contacting PEX with hydrogen under isomerizing conditions in the presence of a catalyst for isomerizing. The isomerized oil obtained or a mixed oil thereof can be used. The lubricating oil-mixed base material can usually be produced by arbitrarily combining a solvent refining process, a hydrogenation process, an isomerization process, and the like. A purification step such as a white clay treatment step can be optionally employed. Mineral oil mixture Specific examples of the base material include light neutral oil, medium neutral oil, and heavy neutral oil bright stock.
また、 合成系基油としては、 例えば、 ポリ α—ォレフィ ン、 α—ォレ フィ ンコポリマ一、 ポリブテン、 アルキルベンゼン、 ポリオールエステ ル、 二塩基酸エステル、 ポリオキシアルキレングリコール、 ポリオキシ アルキレングリコールエステルまたはポリオキシアルキレングリコール エーテル、 シリコーン油等を挙げることができる。 Examples of the synthetic base oil include poly-α-olefin, α-olefin copolymer, polybutene, alkylbenzene, polyol ester, dibasic acid ester, polyoxyalkylene glycol, polyoxyalkylene glycol ester and polyoxyalkylene glycol. Examples include alkylene glycol ethers and silicone oils.
上記のような潤滑油基油の混合基材を自動変速機用潤滑油として必要 な動粘度をはじめ要求品質を満たすように、 一種または二種以上、 例え ば二種以上の鉱油または鉱油と合成油等適宜混合することにより、 所望 の潤滑油基油を調製することができる。 本発明の潤滑油基油としては、 1 00 °Cにおいて、 通常、 2 mm2 / s〜20 mm2 / s、 好ましくは 、 3 mm2 /s〜 l 5 mm2 Z sの範囲の動粘度を有するものを用いる ことができる。 潤滑油基油の粘度が高すぎると、 その低温粘度性状が低 下し、 逆に、 粘度が低過ぎると、 自動変速機の歯車軸受機構、 クラッチ 等の摺動部において摩耗が増加するというおそれがある。 Synthesize one or more mineral oils or mineral oils, such as two or more mineral oils or mineral oils, in order to satisfy the required quality including the kinematic viscosity required for automatic transmission lubricating oils. A desired lubricating base oil can be prepared by appropriately mixing oil and the like. The lubricating base oil of the present invention has a kinematic viscosity at 100 ° C. of usually 2 mm 2 / s to 20 mm 2 / s, preferably 3 mm 2 / s to 15 mm 2 Zs. Those having the following can be used. If the viscosity of the lubricating base oil is too high, its low-temperature viscosity properties will be reduced.On the other hand, if the viscosity is too low, wear on the sliding parts of the gear bearing mechanism, clutch, etc. of the automatic transmission may increase. There is.
本発明の自動変速機用潤滑油組成物に用いられるィミ ド系化合物は、 次の一般式 [ I ] The imide compound used in the lubricating oil composition for an automatic transmission of the present invention has the following general formula [I]
R1 R: R 1 R:
[I]
で表される化合物である。 [I] It is a compound represented by these.
上記一般式 [ I ] において、 R 1 および R2 は互いに同一でもまたは 異なるものでもよく、 各々炭素数 5以上、 好ましくは炭素数 5〜40の 飽和または不飽和炭化水素基である。 炭化水素基としては、 例えば、 ぺ ンチル基、 へキシル基、 ヘプチル基、 ォクチル基、 ノニル基、 デシル基
、 ドデシル基、 ト リデシル基、 テトラデシル基、 ペン夕デシル基、 へキ サデシル基、 ヘプタデシル基、 ォクタデシル基、 ノナデシル基、 ォレイ ル基等のほか炭素数 4 0までの炭化水素基を例示することができる。 特 に、 好ましい炭化水素基としては、 炭素数 8 ~ 2 5の直鎖状炭化水素基 を挙げることができる。 炭化水素基の炭素数が 4以下である場合、 シャ ダ一振動防止性能を低下させ、 自動変速機用潤滑油として十分実用的価 値のある潤滑油組成物を提供することができないおそれがある。 In the above general formula [I], R 1 and R 2 may be the same or different from each other, and each is a saturated or unsaturated hydrocarbon group having 5 or more carbon atoms, preferably 5 to 40 carbon atoms. Examples of the hydrocarbon group include pentyl, hexyl, heptyl, octyl, nonyl, and decyl , Dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group, octadecyl group, nonadecyl group, oleyl group, and other hydrocarbon groups having up to 40 carbon atoms. it can. Particularly, preferred hydrocarbon groups include straight-chain hydrocarbon groups having 8 to 25 carbon atoms. When the number of carbon atoms of the hydrocarbon group is 4 or less, there is a possibility that the performance of preventing the vibration from shudder is reduced and a lubricating oil composition having sufficiently practical value as a lubricating oil for an automatic transmission may not be provided. .
上記一般式 [ I ] において、 R 3 は炭素数 1〜5の 2価の炭化水素基 であり、 好ましくは、 炭素数 2〜3のアルキレン基である。 In the general formula [I], R 3 is a divalent hydrocarbon group having 1 to 5 carbon atoms, preferably an alkylene group having 2 to 3 carbon atoms.
上記一般式 [ I ] において、 R 4 は水素原子または炭素数 1〜2 0の 炭化水素基である。 炭化水素基としては、 炭素数 1〜2 0のアルキル基In the above general formula [I], R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms. As the hydrocarbon group, an alkyl group having 1 to 20 carbon atoms
；炭素数 2〜2 0のアルケニル基；炭素数 6〜2 0のシクロアルキル基An alkenyl group having 2 to 20 carbon atoms; a cycloalkyl group having 6 to 20 carbon atoms
； 炭素数 6〜2 0のァリール基等が挙げられ、 ァリール基は炭素数 1〜An aryl group having 6 to 20 carbon atoms, and an aryl group having 1 to
1 2のアルキル基を有していてもよい。 R 4 としては、 特に、 水素原子 または炭素数 1〜 1 0のアルキル基が好ましい。 上記炭化水素基としてIt may have 12 alkyl groups. R 4 is particularly preferably a hydrogen atom or an alkyl group having 1 to 10 carbon atoms. As the above hydrocarbon group
、 その構造中にアミノ基またはアミ ド結合および両者を数個、 すなわちIn the structure, there are several amino groups or amide bonds and both,
、 各々 1個〜 5個程度有しているものも用いることができる。 Each having about 1 to 5 can be used.
アミノ基は、 一 N H—または一 N H 2で表され、 また、 アミ ド結合はAn amino group is represented by one NH— or one NH 2 , and the amide bond is
0 0
II II
一 C一 N—で表され、該炭化水素基の炭素原子と任意の位置で結合した Represented by one C-N- and bonded at any position to the carbon atom of the hydrocarbon group
I I
ものでよい。 Things are fine.
上記一般式 [ I ] において、 nは 1〜 1 0、 好ましくは 1〜5の整数 である。 In the above general formula [I], n is an integer of 1 to 10, preferably 1 to 5.
本発明によれば、 上記一般式 [ I ] の化合物として、 具体的には、 次 の一般式 [ I I ] で表される化合物が特に好ましい。
R1. 0 According to the present invention, as the compound of the general formula [I], specifically, a compound represented by the following general formula [II] is particularly preferable. R 1. 0
\ II \ II
HC-C HC-C
： N CH2 - CH2 - N CH2- CH2- N [II] n \ : N CH 2 -CH 2 -N CH 2 -CH 2 -N [II] n \
H2C-C C-CH2 H 2 CC C-CH 2
II II II II
0 0 0 0
上記一般式 [ ] において、 R 1 および R2 は、 各々、 炭素数 8In the above general formula [], R 1 and R 2 each have 8 carbon atoms.
2 5の直鎖状炭化水素基であり、 R4 は水素原子または炭素数 1〜 1 0 の炭化水素基であり、 該炭化水素基はァミノ基および またははアミ ド 結合を有してもよく、 nは；！〜 5である。 25 is a linear hydrocarbon group, R 4 is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, and the hydrocarbon group may have an amino group and / or an amide bond. , N ;! ~ 5.
本発明のイミ ド系化合物は、 自動変速機用潤滑油組成物の基油に対し 有効量添加される。 イミ ド系化合物の有効量としては、 基油の成分およ び性状等により相違するが、 潤滑油組成物全重量基準で 0. 02重量％ 〜4重量％、 好ましくは 0. 03重量％〜3重量％を用いることができ c o= The imid compound of the present invention is added in an effective amount to the base oil of the lubricating oil composition for an automatic transmission. The effective amount of the imid compound varies depending on the components and properties of the base oil, but is preferably 0.02% to 4% by weight, preferably 0.03% by weight based on the total weight of the lubricating oil composition. 3% by weight can be used co =
る。 You.
c z c z
上記のィミ ド系化合物は、 炭化水素置換コハク酸無水物とポリアミン The above-mentioned imid compound is composed of hydrocarbon-substituted succinic anhydride and polyamine
R R
との反応により合成することができる。 合成に好ましいポリアミンを例 示すれば、 モノジァミン、 例えば、 エチレンジァミン、 プロピレンジァ ミン、 ブチレンジァミン、 ペンチレンジアミン等、 ポリアルキレンポリ ァミン、 例えば、 ジエチレント リァミン、 ト リエチレンテトラミン、 テ トラエチレンペンタミン等を挙げることができる。 Can be synthesized by the reaction with Examples of preferred polyamines for the synthesis include monodiamines such as ethylenediamine, propylenediamine, butylenediamine and pentylenediamine, and polyalkylenepolyamines such as diethylenetriamine, triethylenetetramine and tetraethylenepentamine. it can.
本発明の自動変速機用潤滑油組成物は、 上記の一般式 [ I ] に示すィ ミ ド系化合物を必須成分として含有させることにより、 自動変速機油と して使用した場合、 伝達トルク容量を低下させることなく、 シャダ一振 動防止性能を改善し、 特にスリップ制御機構付自動変速機のシャダ一振 動の防止にとって顕著な効果を奏する。 さらに、 有機酸金属塩および/ またはリン系化合物を添加し、 ィミ ド系化合物と組み合せることにより 、 シャダ一振動防止性能を一層改善することができる。 The lubricating oil composition for an automatic transmission according to the present invention contains the imide compound represented by the above general formula [I] as an essential component, so that when used as an automatic transmission oil, the transmission torque capacity is reduced. Without lowering, the performance of preventing shudder vibration is improved, and it has a remarkable effect especially in preventing shudder vibration of an automatic transmission with a slip control mechanism. Further, by adding a metal salt of an organic acid and / or a phosphorus-based compound and combining it with an imid-based compound, it is possible to further improve the performance of preventing shudder vibration.
有機酸金属塩としては、 スルホネー卜、 フヱネート、 サリシレートお
よびホスホネート等であり、 有機酸金属塩の金属成分としては、 アル力 リ土類金属が好ましく、 例えば、 カルシウム、 マグネシウム、 ノ リウム 等が挙げられる。 有機酸金属塩として、 具体的にはカルシウムのスルホ ネート、 フエネート、 サリシレートおよびホスホネート、 マグネシウム のスルホネート、 フエネート、 サリシレートおよびホスホネ一卜を用い ることができる。 スルホネート、 フエネート、 サリシレートおよびホス ホネートは炭化水素基を有するものであり、 炭化水素基の少なく とも 1 個は炭素数 6以上の比較的長鎖のものが好ましい。 例えば、 炭素数 6〜 1 8の直鎖状または分岐状アルキル基 ； 炭素数 6〜 1 8の直鎖状または 分岐状アルケニル基 ； 炭素数 6〜 1 8のシクロアルキル基 ；炭素数 6〜 1 8のァリ一ル基等を用いることができ、 ァリ一ル基は置換基として炭 素数 1〜 1 2のアルキル基または炭素数 2〜 1 2のアルケニル基を有し ていてもよい。 上記の炭化水素基のうち好ましい炭化水素基は炭素数 6 〜 1 8のアルキル基であり、 特に炭素数 8〜 1 2のアルキル基が伝達ト ルク容量の改善の観点から好ましい。 スルホネ一トの具体例としては、 アルキルベンゼンスルホン酸塩、 例えばへキシルベンゼンスルホン酸塩 、 へキサデシルトルエンスルホン酸塩、 へキサデシルキシレンスルホン 酸塩、 ォクタデシルベンゼンスルホン酸塩、 ドデシルベンゼンスルホン 酸塩等が挙げられ、 金属成分としてはカルシウムおよびマグネシウムが 好ましい。 また、 サリシレートは、 特に炭素数 1 0〜 1 4のアルキル基 を有するものが好ましく、 具体的にはドデシルザリチル酸塩を挙げるこ とができる。 金属成分としてはカルシウムおよびマグネシウムが好適で ある。 フエネートは、 アルキルフエノールまたは硫化アルキルフエノー ルの金属塩が好ましく、 例えばドデシルフ ノ一ルまたは硫化ドデシル フエノールのカルシウム塩等が挙げられる。 また、 ホスホネートは、 ポ リオレフィ ンと五硫化リンとの反応により得られるホスホン酸、 チォホ スホン酸の金属塩であり、 金属成分としてはカルシウム、 マグネシウム が用いられる。 これらの有機酸金属塩は、 全塩基価 1 O m g K O H Z g 〜4 0 0 m g K O H / gのものが好ましい。
0 上記スルホネート、 フエネート、 サリシレートおよびホスホネートの 有機酸金属塩は、 潤滑油組成物全重量基準で、 0. 02重量％〜5重量 %、 好ましくは、 0. 1重量％〜2重量％の範囲で配合することが有効 である。 Organic acid metal salts include sulfonates, phenates, salicylates and the like. And phosphonates. The metal component of the organic acid metal salt is preferably an alkaline earth metal, for example, calcium, magnesium, norium and the like. Specific examples of the organic acid metal salt include calcium sulfonate, phenate, salicylate and phosphonate, and magnesium sulfonate, phenate, salicylate and phosphonet. Sulfonate, phenate, salicylate and phosphonate have a hydrocarbon group, and at least one of the hydrocarbon groups is preferably a relatively long chain having 6 or more carbon atoms. For example, a linear or branched alkyl group having 6 to 18 carbon atoms; a linear or branched alkenyl group having 6 to 18 carbon atoms; a cycloalkyl group having 6 to 18 carbon atoms; An aryl group of 8 or the like can be used, and the aryl group may have an alkyl group having 1 to 12 carbon atoms or an alkenyl group having 2 to 12 carbon atoms as a substituent. Among the above hydrocarbon groups, a preferred hydrocarbon group is an alkyl group having 6 to 18 carbon atoms, and an alkyl group having 8 to 12 carbon atoms is particularly preferred from the viewpoint of improving the transfer torque capacity. Specific examples of the sulfone include alkyl benzene sulfonates, for example, hexyl benzene sulfonate, hexadecyl toluene sulfonate, hexadecyl xylene sulfonate, octadecyl benzene sulfonate, dodecyl benzene sulfonate Salt and the like can be mentioned, and calcium and magnesium are preferable as the metal component. The salicylate preferably has an alkyl group having 10 to 14 carbon atoms, and specific examples thereof include dodecylzalicylate. Calcium and magnesium are preferred as metal components. The phenolate is preferably a metal salt of an alkylphenol or a sulfurized alkylphenol, such as a calcium salt of dodecylphenol or dodecylphenol sulfide. Phosphonate is a metal salt of phosphonic acid or thiophosphonic acid obtained by reacting polyolefin with phosphorus pentasulfide, and calcium and magnesium are used as metal components. These organic acid metal salts preferably have a total base number of 1 O mg KOHZ g to 400 mg KOH / g. The organic metal salt of sulfonate, phenate, salicylate and phosphonate is contained in an amount of from 0.02% to 5% by weight, preferably from 0.1% to 2% by weight, based on the total weight of the lubricating oil composition. It is effective to mix them.
これらの有機酸金属塩は、 公知の方法で製造したものでよく、 市販品 を選択して用いることもできる。 These organic acid metal salts may be those produced by a known method, and commercially available products may be selected and used.
リン系化合物としては、 例えば、 リン酸エステル、 酸性リン酸エステ ル、 亜リン酸エステル、 酸性亜リン酸エステル、 チォリン酸亜鉛等を挙 げることができ、 一般式 [ I I I ] 、 [ I V] および [V] で表される ものを用いることができる。 Examples of the phosphorus compound include a phosphoric acid ester, an acidic phosphoric acid ester, a phosphite, an acidic phosphite, zinc thiophosphate, etc., and represented by the general formulas [III], [IV] And those represented by [V] can be used.
(R5— 0-)— P (R 5 — 0-) — P
ノ 3 [I I I] ノ 3 [I I I]
0 0
( Rc 0 P [IV] (R c 0 P [IV]
\ (0H) 3,_-x \ (0H) 3, _- x
( R5— 0)y \ 0 (R 5 — 0) y \ 0
P [V] P [V]
(H0)2_y \ H 上記一般式 [ I I I ] 〜 [V] において、 R5 は炭素数 1〜30の炭 化水素基または硫黄原子含有炭化水素基であり、 各々の一般式において 同一または異なるものであってもよい。 Xは 1、 2または 3であり、 y は 1 または 2である。 好ましい炭化水素基は炭素数 1〜30のアルキル 基；炭素数 2〜 30のアルケニル基；炭素数 6〜30のシクロアルキル 基 ； 炭素数 6〜30のァリール基、 アルキルァリール基、 ァリールアル キル基である。 特に好適な炭化水素基は、 炭素数 3〜24の直鎖状また は分岐状アルキル基である。 In (H0) 2 _ y \ H above general formula [III] ~ [V], R 5 is a carbon hydrocarbon radical or a sulfur atom-containing hydrocarbon group having 1 to 30 carbon atoms, the same or in each of the general formula It may be different. X is 1, 2 or 3, and y is 1 or 2. Preferred hydrocarbon groups are alkyl groups having 1 to 30 carbon atoms; alkenyl groups having 2 to 30 carbon atoms; cycloalkyl groups having 6 to 30 carbon atoms; aryl groups having 6 to 30 carbon atoms, alkylaryl groups, and arylalkyl groups. It is. Particularly preferred hydrocarbon groups are linear or branched alkyl groups having 3 to 24 carbon atoms.
具体的には、 リン酸エステルとして、 ト リァリールホスフヱ一ト等が
あり、 例えば、 ベンジルジフェニルホスフエ一卜、 ァリルジフエ二ルホ スフェート、 ト リフエニルホスフェート、 卜 リクレジルホスフェート、 ェチルジフエニルホスフエ一卜、 ト リブチルホスフェート、 ジブチルホ スフェート、 クレジルジフエニルホスフェート、 ジクレジルフエニルホ スフエ一ト、 ェチルフエニルジフエニルホスフェート、 ジェチルフエ二 ルフエニルホスフエ一ト、 プロピルフエニルジフエニルホスフェート、 ジブ口ピルフェニルフェニルホスフユート、 ト リエチルフェニルホスフ ェ一ト、 ト リプロピルフエニルホスフェート、 ブチルフエニルジフエ二 ルホスフェート、 ジブチルフエニルフエニルホスフヱ一卜、 ト リブチル フエニルホスフヱ一ト、 プロピルフエユルフェニルホスフエ一ト混合物 、 プチルフヱニルフユニルホスフユ一ト混合物等の化合物を挙げること ができる。 これらの化合物のうち炭素数 3〜 1 0のアルキル基を有する ホスフエ一卜が好ましい。 Specifically, triphosphates and the like are used as phosphate esters. Yes, for example, benzyl diphenyl phosphate, aryl diphenyl phosphate, triphenyl phosphate, tricresyl phosphate, ethyl diphenyl phosphate, tributyl phosphate, dibutyl phosphate, cresyl diphenyl phosphate, Dicresyl phenyl phosphate, ethyl phenyl diphenyl phosphate, dimethyl phenyl phosphate, propyl phenyl diphenyl phosphate, diphenyl phenyl phenyl phosphate, triethyl phenyl phosphate, triethyl phenyl phosphate, Tripropyl phenyl phosphate, butyl phenyl diphenyl phosphate, dibutyl phenyl phenyl phosphate, tributyl phenyl phosphate, propyl phenyl phenyl phosphate mixture, Can be exemplified chill off We sulfonyl Tilia sulfonyl phosphite Tilia compounds such as one bets mixture. Of these compounds, phosphites having an alkyl group having 3 to 10 carbon atoms are preferred.
酸性リン酸エステルとしては、 例えば、 モノブチルホスフェート、 モ ノへキシルホスフェート、 モノォクチルホスフェート、 モノラウリルホ スフエ一ト、 モノフエニルホスフェート、 ジブチルホスフェート、 ジォ クチルホスフェート、 ジ （ 2—ェチルへキシル） ホスフェート、 ジデシ ルホスフエ一ト、 ジラウリルホスフエ一卜、 ジォレイルホスフェート、 ジステアリルホスフェート、 ジフエ二ルホスフェート等を挙げることが できる。 これらのうち、 アルキル基の炭素数 3〜 1 0のモノまたはジァ ルキルホスフヱ一トまたはそれらの混合物が好ましい。 Examples of the acidic phosphoric acid ester include monobutyl phosphate, monohexyl phosphate, monooctyl phosphate, monolauryl phosphate, monophenyl phosphate, dibutyl phosphate, dioctyl phosphate, and di (2-ethylhexyl) phosphate. And didecyl phosphate, dilauryl phosphate, dioleyl phosphate, distearyl phosphate, diphenyl phosphate and the like. Among these, a mono- or dialkyl phosphite having an alkyl group having 3 to 10 carbon atoms or a mixture thereof is preferable.
亜リン酸エステルとしては、 例えば、 ト リフエニルホスファイ ト、 ト リ （ P—クレジル） ホスファイ ト、 ト リス （ノニルフエニル） ホスファ イ ト、 ト リオクチルト リチ才ホスファイ ト、 ト リイソォクチルホスファ イ ト、 ジフエニルイソデシルホスファイ ト、 フエニルイソデシルホスフ アイ ト、 ト リイソデシルホスフアイ ト、 ト リステアリルホスファイ ト、 ト リオレィルホスフアイ ト等が挙げられる。 Examples of phosphites include triphenyl phosphite, tri (P-cresyl) phosphite, tris (nonyl phenyl) phosphite, trioctyl phosphite and triisooctyl phosphite. And diphenyl isodecyl phosphite, phenyl isodecyl phosphite, triisodecyl phosphite, tristearyl phosphite, trioleyl phosphite and the like.
酸性亜リン酸エステルとしては、 例えば、 ジー 2—ェチルへキシルハ ィ ドロジェンホスフアイ ト、 ジラウリルハイ ドロジェンホスフアイ ト、
ジォレイルハイ ドロジェンホスフアイ ト等が挙げられる。 Acid phosphites include, for example, di-2-ethylhexylhydrogen phosphite, dilauryl hydrogen phosphite, Georail Hydrogen Phosphite and the like.
硫黄原子含有炭化水素基としては、 例えば、 ドデシルチオェチル基等 が挙げられる。 Examples of the sulfur atom-containing hydrocarbon group include a dodecylthioethyl group.
上記のリン系化合物は、 潤滑油基油に対して、 潤滑油組成物全重量基 準で、 0 . 0 1重量％〜 5重量％、 好ましくは 0 . 0 3重量％〜3重量 %の割合で配合される。 特に好ましい配合量は、 0 . 0 5重量％〜1重 量％の範囲である。 The above-mentioned phosphorus compound is present in an amount of 0.01 to 5% by weight, preferably 0.03 to 3% by weight, based on the total weight of the lubricating oil composition, based on the lubricating oil base oil. It is compounded by. A particularly preferred amount is in the range of 0.05% by weight to 1% by weight.
上記リン系化合物も通常の製造方法により得られたものでよく、 市販 品を選択して使用することができる。 The phosphorus compound may be one obtained by a usual production method, and a commercially available product can be selected and used.
さらに、 本発明の自動変速機用潤滑油組成物には、 必要に応じて、 他 の添加剤、 例えば、 他の摩擦調整剤、 摩耗防止剤、 粘度指数向上剤、 無 灰分散剤、 酸化防止剤、 極圧剤、 金属不活性剤、 流動点降下剤、 消泡剤 、 腐食防止剤等を適宜添加することができる。 Further, the lubricating oil composition for an automatic transmission according to the present invention may further contain, if necessary, other additives such as other friction modifiers, antiwear agents, viscosity index improvers, ashless dispersants, and antioxidants. An extreme pressure agent, a metal deactivator, a pour point depressant, an antifoaming agent, a corrosion inhibitor and the like can be added as appropriate.
粘度指数向上剤としては、 例えば、 ポリメタクリレート系、 ポリイソ ブチレン系、 エチレン—プロピレン共重合体系、 スチレン—ブタジエン 水添共重合体等を用いることができ、 これらは、 3重量％〜3 5重量％ の割合で使用される。 As the viscosity index improver, for example, polymethacrylate-based, polyisobutylene-based, ethylene-propylene copolymer-based, styrene-butadiene hydrogenated copolymer and the like can be used, and these are 3% by weight to 35% by weight. Used in proportions.
無灰分散剤としては、 例えば、 ポリブテニルコハク酸イミ ド系、 ポリ ブテュルコハク酸イミ ド系、 ベンジルァミ ン系、 コハク酸エステル系 のものがあり、 これらは、 0 . 0 5重量％〜 7重量％の割合で使用され る。 Examples of the ashless dispersant include polybutenyl succinic acid imid type, polybutenyl succinic acid imid type, benzylamine type, and succinic ester type. These are 0.05% to 7% by weight. Used in proportions.
酸化防止剤としては、 例えば、 アルキル化ジフユニルァミン、 フエ二 ルー α —ナフチルァミン、 アルキル化フェニル— α—ナフチルァミン等 のァミン系酸化防止剤、 2， 6 —ジターシャリーブチルフエノール、 4 ， 4 ' —メチレンビス一 （ 2， 6—ジターシャリーブチルフエノール） 等のフヱノール系酸化防止剤、 さらに、 ジチォリン酸亜鉛等を挙げるこ とができ、 これらは、 0 . 0 5重量％~ 5重量％の割合で使用される。 極圧剤としては、 例えば、 ジベンジルサルファイ ド、 ジブチルジサル ファイ ド等があり、 これらは、 0 . 0 5重量％〜3重量％の割合で使用
される。 Examples of the antioxidant include amide-based antioxidants such as alkylated difuunilamine, phenyl α-naphthylamine, alkylated phenyl-α-naphthylamine, 2,6-ditertiarybutylphenol, and 4,4′-methylenebis-monoamine. Examples thereof include phenolic antioxidants such as (2,6-di-tert-butylphenol) and zinc dithiophosphate, which are used in a proportion of 0.05% by weight to 5% by weight. . Examples of extreme pressure agents include dibenzyl sulfide and dibutyl disulfide, which are used at a rate of 0.05% to 3% by weight. Is done.
金属不活性化剤としては、 例えば、 ベンゾトリァゾール、 チアジアゾ ール等があり、 これらは、 ◦ . 0 1重量％〜3重量％の割合で使用され る o Examples of the metal deactivator include benzotriazole, thiadiazole, etc., which are used in a proportion of 0.1% to 3% by weight o
流動点降下剤としては、 例えば、 エチレン—酢酸ビニル共重合体、 塩 素化バラフイ ンとナフタレンとの縮合物、 塩素化パラフィ ンとフヱノー ルとの縮合物、 ポリメタクリレート、 ポリアルキルスチレン等が挙げら れ、 これらは、 0 . 1重量％〜 1 0重量％の割合で使用される。 また、 本発明の目的を損なわない限り、 腐食防止剤、 消泡剤等その他の添加剤 を使用することもできる。 Pour point depressants include, for example, ethylene-vinyl acetate copolymer, condensates of chlorinated balafins with naphthalene, condensates of chlorinated paraffins with phenol, polymethacrylates, polyalkylstyrenes, etc. These are used in a ratio of 0.1% by weight to 10% by weight. Further, other additives such as a corrosion inhibitor and an antifoaming agent can be used as long as the object of the present invention is not impaired.
上記の各種添加剤の配合量を掲げると、 次の通りである。 配合: % ) 好ましい配合; % ) 粘度指数向上剤 3 35 4 ' 30 The amounts of the above various additives are as follows. Formulation:%) Preferred Formulation;%) Viscosity Index Improver 3 35 4'30
無灰分散剤 0. 05 7 0. 1 ' 5 Ashless dispersant 0.05 7 0. 1 '5
酸化防止剤 0. 05 5 0. 1 ' 3 Antioxidant 0. 05 5 0. 1 '3
極圧剤 0. 05 3 0. 1 ' 2 Extreme pressure agent 0. 05 3 0. 1 '2
金属不活性化剤 0. 01 3 0. 01 ' 2 Metal deactivator 0.01 3 0.01 '2
流動点降下剤 0. 1 10 0. 5 ' 8 Pour point depressant 0.1 1 10 0.5 '8
腐食防止剤 0. 01 ' 5 Corrosion inhibitor 0.01 '5
消泡剤 0. 0001' 1 次に、 本発明の潤滑油組成物の好ましい実施の態様 （ 1 ) 〜 （ 1 3 ) について以下に示す。 Antifoaming agent 0.0001 ′ 1 Next, preferred embodiments (1) to (13) of the lubricating oil composition of the present invention will be described below.
( 1 ) 潤滑油基油に、 組成物全重量基準で、 (1) In a lubricating base oil, based on the total weight of the composition,
一般式 [ I ]
ΙΓ General formula [I] ΙΓ
(上記一般式 [ I ] において、 R1 および R2 は互いに同一であるかま たは異なるものでもよく、 各々炭素数 5〜40の炭化水素基であり、 R 3 は炭素数 1〜5の 2価の炭化水素基であり、 R4 は水素原子または炭 素数 1〜20の炭化水素基であり、 該炭化水素基はァミノ基および ま たはアミ ド結合を有してもよく、 nは 1〜 1 0の整数である。 ） で表される化合物を有効量配合してなる自動変速機用潤滑油組成物、(In the above general formula [I], R 1 and R 2 may be the same or different from each other, each is a hydrocarbon group having 5 to 40 carbon atoms, and R 3 is a hydrocarbon group having 1 to 5 carbon atoms. R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group may have an amino group and / or an amide bond; A lubricating oil composition for an automatic transmission, comprising an effective amount of a compound represented by the formula:
( 2 ) 潤滑油基油に、 組成物全重量基準で、 (2) Lubricant base oil, based on the total weight of the composition,
( a) 一般式 [ I ] (a) General formula [I]
(上記一般式 [ I ] において、 R1 および R2 は互いに同一であるかま たは異なるものでもよく、 各々炭素数 5〜40の炭化水素基であり、 R 3 は炭素数 1〜5の 2価の炭化水素基であり、 R4 は水素原子または炭 素数 1〜20の炭素化水素基であり、 該炭化水素基はァミノ基および Z またはアミ ド結合を有してもよく、 nは 1〜 5の整数である。 ） で表される化合物 0. 02重量％〜4重量％ および (In the above general formula [I], R 1 and R 2 may be the same or different from each other, each is a hydrocarbon group having 5 to 40 carbon atoms, and R 3 is a hydrocarbon group having 1 to 5 carbon atoms. R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group may have an amino group and a Z or amide bond; A compound represented by the formula: 0.02% to 4% by weight;
( b ) スルホネート、 フエネート、 サリシレートおよびホスホネートか らなる群より選択される少なく とも一種の有機酸金属塩 0. 02重量％ 〜5重量％
を配合してなる自動変速機用潤滑油組成物. ( 3 ) 潤滑油基油に、 組成物全重量基準で. ( a) —般式 [ I ] (b) at least one metal salt of an organic acid selected from the group consisting of sulfonates, phenates, salicylates and phosphonates 0.02% by weight to 5% by weight (3) Lubricating base oil, based on the total weight of the composition. (A) — General formula [I]
で表される化合物を有効量配合してなる自動変速機用潤滑油組成物、 ( 5 ) 潤滑油基油に、 組成物全重量基準で、 A lubricating oil composition for an automatic transmission comprising an effective amount of a compound represented by the formula: (5) a lubricating base oil, based on the total weight of the composition,
( a) —般式 [ I ] (a) — General formula [I]
R1. 0 R2 R 1. 0 R 2
\ II \ II
HC-C HC-C
N R [I]
NR [I]
(上記一般式 [ I ] において、 R1 および R2 は互いに同一であるかま たは異なるものでもよく、 各々炭素数 8〜2 5の分岐を有しない直鎖状 炭化水素基であり、 R3 は炭素数 2〜5の 2価の炭化水素基であり、 R 4 は水素原子または炭素数 1〜20の炭化水素基であり、 該炭化水素基 はァミノ基および またはアミ ド結合を有してもよく、 nは 0〜 1 0の 整数である。 ） (In the formula [I], bite the other R 1 and R 2 are identical to each other may be different, are each a straight-chain hydrocarbon group having no branching carbon atoms 8 to 2 5, R 3 Is a divalent hydrocarbon group having 2 to 5 carbon atoms, R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group has an amino group and / or an amide bond. And n is an integer from 0 to 10.
で表される化合物を 0. 02重量％~2重量％ および From 0.02% by weight to 2% by weight and
( b ) スルホネート、 フエネート、 サリシレートおよびホスホネートか らなる群より選択される少なく とも一種の有機酸金属塩 0. 02重量％ 〜 5重量％ (b) at least one metal salt of an organic acid selected from the group consisting of sulfonates, phenates, salicylates and phosphonates; 0.02% by weight to 5% by weight
を配合してなる自動変速機用潤滑油組成物、 A lubricating oil composition for an automatic transmission, comprising
( 6 ) 潤滑油基油に、 組成物全重量基準で、 (6) Lubricant base oil, based on the total weight of the composition,
( a) —般式 [ I ]
R (a) — General formula [I] R
R R
(上記一般式 [ I ] において、 R 1 および R2 は互いに同一であるかま たは異なるものでもよく、 各々炭素数 8 2 5の分岐を有しない直鎖状 炭化水素基であり、 R3 は炭素数 2 5の 2価の炭化水素基であり、 R 4 は水素原子または炭素数 1 20の炭化水素基であり、 該炭化水素基 はァミノ基および/またはアミ ド結合を有してもよく、 nは 0 1 0の 整数である。 ） (In the above general formula [I], R 1 and R 2 may be the same or different from each other, each is a straight-chain hydrocarbon group having 825 carbon atoms and having no branch, and R 3 is A divalent hydrocarbon group having 25 carbon atoms, R 4 is a hydrogen atom or a hydrocarbon group having 120 carbon atoms, and the hydrocarbon group may have an amino group and / or an amide bond; , N is an integer of 0 10.)
で表される化合物 0. 02重量％〜2重量％、 0.02% by weight to 2% by weight of a compound represented by
( b ) スルホネート、 フエネート、 サリシレートおよびホスホネートか らなる群より選択される少なく とも一種の有機酸金属塩 0. 02重量％ 5重量％ ならびに (b) at least one metal salt of an organic acid selected from the group consisting of sulfonates, phenates, salicylates and phosphonates; 0.02% by weight 5% by weight;
( c ) リン酸エステル、 酸性リン酸エステル、 亜リン酸エステルおよび 酸性亜リン酸エステルからなる群より選択される少なく とも一種の化合 物 0. 0 1重量％〜5重量％ (c) at least one compound selected from the group consisting of phosphate, acid phosphate, phosphite, and acid phosphite 0.01% by weight to 5% by weight
を配合してなる自動変速機用潤滑油組成物、 A lubricating oil composition for an automatic transmission, comprising
( 7 ) 潤滑油基油に、 (7) For lubricating base oil,
一般式 [ I ] General formula [I]
(上記一般式 [ I ] において、 R1 および R2 は互いに同一であるかま
たは異なるものでもよく、 各々炭素数 8〜 2 5の分岐を有しない直鎖状 不飽和炭化水素基であり、 R3 は炭素数 2〜5の 2価の炭化水素基であ り、 R4 は水素原子または炭素数 1〜20の炭化水素基であり、 該炭化 水素基はアミノ基およびノまたはアミ ド結合を有してもよく、 nは 0〜 1 0の整数である。 ） (In the above general formula [I], R 1 and R 2 are the same as each other. R 3 is a divalent hydrocarbon group having 2 to 5 carbon atoms, each of which is a straight-chain unsaturated hydrocarbon group having 8 to 25 carbon atoms and having no branch. 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group may have an amino group and a amino or amide bond, and n is an integer of 0 to 10. )
で表される化合物を有効量配合してなる自動変速機用潤滑油組成物、 ( 8) 潤滑油基油に、 組成物全重量基準で、 (8) A lubricating oil composition for an automatic transmission comprising an effective amount of a compound represented by the following formula:
( a) —般式 [ I ] (a) — General formula [I]
R R
(上記一般式 [ I ] において、 R1 および R2 は互いに同一であるかま たは異なるものでもよく、 各々炭素数 8〜 25の分岐を有しない直鎖状 不飽和炭化水素基であり、 R3 は炭素数 2〜5の 2価の炭化水素基であ り、 R4 は水素原子または炭素数 1〜20の炭化水素基であり、 該炭化 水素基はアミノ基および またはアミ ド結合を有してもよく、 nは 0〜 1 0の整数である。 ） (In the above general formula [I], R 1 and R 2 may be the same or different from each other, and each is a straight-chain unsaturated hydrocarbon group having 8 to 25 carbon atoms and having no branch; 3 is a divalent hydrocarbon group having 2 to 5 carbon atoms, R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group has an amino group and / or an amide bond. N may be an integer from 0 to 10.
で表される化合物を 0. 02重量％〜2重量％ ならびに 0.02% to 2% by weight of the compound represented by
( b ) スルホネート、 フエネート、 サリシレートおよびホスホネ一卜か らなる群より選択される少なく とも一種の有機酸金属塩 0. 02重量％ 〜5重量％ (b) at least one metal salt of an organic acid selected from the group consisting of sulfonates, phenates, salicylates and phosphonates; 0.02% by weight to 5% by weight
を配合してなる自動変速機用潤滑油組成物、 A lubricating oil composition for an automatic transmission, comprising
( 9 ) 潤滑油基油に、 組成物全重量基準で、 (9) In the lubricating base oil, based on the total weight of the composition,
( a) 一般式 [ I ]
9 (a) General formula [I] 9
R 0 0 ノ R: R 0 0 No R:
\ II II z \ II II z
HC-C C-CH HC-C C-CH
Nナ R3 ― N R3 - N [I]N na R 3 ― NR 3 -N [I]
H2C-C V n C-CH2 H 2 CC V n C-CH 2
II II II II
0 0 0 0
(上記一般式 [ I ] において、 R 1 および R 2 は互いに同一であるかま たは異なるものでもよく、 各々炭素数 8〜 2 5の分岐を有しない直鎖状 不飽和炭化水素基であり、 R 3 は炭素数 2〜 5の 2価の炭化水素基であ り、 R4 は水素原子または炭素数 1〜 2 0の炭化水素基であり、 該炭化 水素基はァミノ基およびノまたはアミ ド結合を有してもよく、 nは 0~ 1 0の整数である。 ） (In the general formula [I], R 1 and R 2 may be the same or different from each other, and each is a straight-chain unsaturated hydrocarbon group having 8 to 25 carbon atoms and having no branch, R 3 is a divalent hydrocarbon group having 2 to 5 carbon atoms, R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and the hydrocarbon group is an amino group and a di- or amide group. It may have a bond, and n is an integer of 0 to 10.)
で表される化合物 0. 0 2重量％〜2重量％、 0.02% by weight to 2% by weight of a compound represented by
( b ) スルホネート、 フエネート、 サリシレートおよびホスホネートか らなる群より選択される少なく とも一種の有機酸金属塩 0. 0 2重量％ 〜 5重量％ ならびに 2 (b) at least one metal salt of an organic acid selected from the group consisting of sulfonates, phenates, salicylates, and phosphonates;
( c ) リン酸エステル、 酸性リン酸エステル、 亜リン酸エステルおよび 酸性亜リン酸エステルからなる群より選択される少なく とも一種の化合 物 0. 0 1重量％~ 5重量％ (c) at least one compound selected from the group consisting of phosphate, acid phosphate, phosphite and acid phosphite 0.01% by weight to 5% by weight
を配合してなる自動変速機用潤滑油組成物、 A lubricating oil composition for an automatic transmission, comprising
( 1 0 ) 潤滑油基油に、 (10) In lubricating base oil,
一般式 [ I I ] General formula [II]
R1 R 1
[II]
[II]
(上記一般式 [ I I ] において R 1 および R 2 は互いに同一であるかま
たは異なるものでもよく、 炭素数 8〜2 5の分岐を有しない直鎖状炭化 水素基であり、 R4 は水素原子または炭素数 1〜 1 0の炭化水素基であ り、 該炭化水素基はアミノ基およびノまたははアミ ド結合を有してもよ く、 nは 1〜 5の整数である。 ） (In the general formula [II], R 1 and R 2 are the same as each other. R 4 is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, wherein R 4 is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms. The group may have an amino group and / or an amide bond, and n is an integer of 1-5. )
で表されるイミ ド系化合物を配合してなる自動変速機用潤滑油組成物、 ( 1 1 ) 潤滑油基油に、 組成物全重量基準で、 A lubricating oil composition for an automatic transmission comprising an imid compound represented by the formula: (11) a lubricating base oil, based on the total weight of the composition,
( a) 一般式 [ I I ] (a) General formula [II]
R ノ R: R no R:
z z
-CH -CH
[II]
[II]
(上記一般式 [ I I ] において R 1 および R2 は互いに同 c一であるかま たは異なるものでもよく、 炭素数 8〜 2 5の分岐を有しない H直鎖状炭化 水素基であり、 R4 は水素原子または炭素数 1〜 1 0の炭化水素基であ り、 該炭化水素基はァミノ基および/またははアミ ド結合を有してもよ く、 nは；！〜 5の整数である。 ） (In the general formula [II], R 1 and R 2 may be the same as or different from each other, and are an unbranched H straight-chain hydrocarbon group having 8 to 25 carbon atoms. 4 is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, and the hydrocarbon group may have an amino group and / or an amide bond, and n is an integer of from! is there. )
で表されるイミ ド系化合物 0. 02重量％〜4重量％ ならびに ( b ) スルホネート、 フエネート、 サリシレートおよびホスホネートか らなる群より選択される少なく とも一種の有機酸金属塩 0. 02重量％ 〜 5重量％ 0.02% by weight to 4% by weight of an imid compound represented by the formula: and (b) at least one metal salt of an organic acid selected from the group consisting of sulfonate, phenate, salicylate and phosphonate 0.02% by weight to 5% by weight
を配合してなる自動変速機用潤滑油組成物、 A lubricating oil composition for an automatic transmission, comprising
( 1 2 ) 潤滑油基油に、 組成物全重量基準で、 (1 2) In the lubricating base oil, based on the total weight of the composition,
( a) —般式 [ I I ]
R R2 (a) — General formula [II] RR 2
[II]
[II]
(上記一般式 [ I I ] において R1 および R2 は互いに同一であるかま たは異なるものでもよく、 炭素数 8〜25の分岐を有しない直鎖状炭化 水素基であり、 R4 は水素原子または炭素数 1〜 1 0の炭化水素基であ り、 該炭化水素基はァミノ基および/またははアミ ド結合を有してもよ く、 nは；！〜 5の整数である。 ） (In the general formula [II], R 1 and R 2 may be the same or different from each other, are a straight-chain hydrocarbon group having 8 to 25 carbon atoms and having no branch, and R 4 is a hydrogen atom. Or a hydrocarbon group having 1 to 10 carbon atoms, and the hydrocarbon group may have an amino group and / or an amide bond, and n is an integer of from!
で表されるイミ ド系化合物 0. 02重量％〜4重量％、 0.02% by weight to 4% by weight of an imid compound represented by
(b) スルホネート、 フエネート、 サリシレートおよびホスホネ一トか らなる群より選択される少なく とも一種の有機酸金属塩 0. 02重量％ (b) at least one metal salt of an organic acid selected from the group consisting of sulfonates, phenates, salicylates and phosphonates; 0.02% by weight;
〜5重量％ ならびに ~ 5% by weight and
( c ) リン酸エステル、 酸性リン酸エステル、 亜リン酸エステルおよび 酸性亜リン酸エステルからなる群より選択される少なく とも一種の化合 物 0. 0 1重量％〜5重量％ (c) at least one compound selected from the group consisting of phosphate, acid phosphate, phosphite, and acid phosphite 0.01% by weight to 5% by weight
を配合してなる自動変速機用潤滑油組成物 または Or a lubricating oil composition for an automatic transmission comprising
( 1 3 ) 前記潤滑油基油に前記一般式 [ I ] で表される化合物に上記有 機酸金属塩および/またはリン系化合物を含有させてなり、 さらに、 摩 耗防止剤、 粘度指数向上剤、 無灰分散剤、 酸化防止剤、 金属不活性化剤 、 腐蝕防止剤、 消泡剤その他自動変速機用潤滑油組成物に必要な添加剤 からなる群より選択される少なく とも一種の添加剤を配合してなる自動 変速機用潤滑油組成物 (13) The lubricating base oil contains the compound represented by the general formula [I] and the metal salt of an organic acid and / or a phosphorus compound, and further has an anti-wear agent and an improved viscosity index. Ashless dispersant, antioxidant, metal deactivator, corrosion inhibitor, antifoaming agent, and at least one additive selected from the group consisting of additives required for lubricating oil compositions for automatic transmissions Oil composition for automatic transmissions containing
を提供することができる。 Can be provided.
さらに、 具体的には、 1 00でにおける動粘度 4mm2 Zsの溶剤精 製パラフィ ン系鉱油を潤滑油基油とし、 潤滑油組成物全重量基準で、 •ィミ ド系化合物 （化合物 A) 0.5 〜2 重量％More specifically, a solvent refined paraffinic mineral oil having a kinematic viscosity of 4 mm 2 Zs at 100 was used as a lubricating base oil, and based on the total weight of the lubricating oil composition, an imid compound (compound A) was used. 0.5 to 2% by weight
•有機酸金属塩 （カルシウムスルホネート） 0.1 〜0.5 重量％
• リン系化合物 （トリアルキルホスフエ一ト） 0.1 〜0.5 重量％ • ポリメタクリ レー卜 2 〜1Q重量％ • ポリブテニルコハク酸ィミ ド 2 〜5 重量％ - 2, 6 ージ一 t—ブチルー 4一メチルフエノール 0.2 〜1 重量％ および • Organic acid metal salt (calcium sulfonate) 0.1 to 0.5% by weight • Phosphorus compound (trialkyl phosphate) 0.1 to 0.5% by weight • Polymethacrylate 2 to 1Q% by weight • Polybutenyl succinate imide 2 to 5% by weight-2,6-di-t-butyl 4 monomethylphenol 0.2-1% by weight and
ベンゾトリァゾ一ル 0.02〜0.1 % を配合してなる自動変速機用潤滑油組成物が提供される。 Provided is a lubricating oil composition for an automatic transmission, which contains 0.02 to 0.1% of benzotriazole.
[実施例] [Example]
以下に、 実施例および比較例を挙げて、 本発明についてさらに具体的 に説明するが、 本発明は、 これらの実施例等により限定されるものでは ない。 Hereinafter, the present invention will be described more specifically with reference to Examples and Comparative Examples, but the present invention is not limited to these Examples and the like.
シャダ一振動防止性能および伝達トルク容量は以下に示す測定法で評 価した。 The shudder vibration prevention performance and transmission torque capacity were evaluated by the following measurement methods.
( 1 ) シャダ一振動防止性能 (1) Anti-vibration performance
試験機として L V F A ( L o w V e l o c i t y F r i c t i o n Ap p a r a t u s ) を用い、 次の実験条件で μ H および M L を各 々測定し、 μΗ /μ 比を算出する。 LVFA the (L ow V elocity F riction Ap paratus) used as a tester, a mu H and ML in the following experimental conditions were each measured to calculate the mu Eta / mu ratio.
試験条件 Test condition
•摩擦材： S D - 1 777 • Friction material: SD-1777
•油 量： 1 00 c c • Oil amount: 100 c c
•油 温： 80 °C • Oil temperature: 80 ° C
'面 圧： l O k g f Zc m2 'Surface pressure: l O kgf Zc m 2
μΗ · · ·相対スリップ速度 1. 5 m sにおける摩擦係数 M L · · ·相対スリップ速度 0. 5 m sにおける摩擦係数 U H M l 比をシャダ一振動防止性能指数とし、 シャダ一振動防止効 果の判断基準とする。 μΗ U L 比 （シャグー振動防止性能指数） > 1 であれば実機でシャダ一が発生しない。 The μ Η · · · relative slip speed 1. Friction coefficient UHM l ratio in friction coefficient ML · · · relative slip velocity 0. 5 ms in 5 ms and shudder one antivibration performance index criteria shudder one antivibration effect And If μ Η UL ratio (Shaguh anti-vibration performance index)> 1, shudder will not occur in the actual machine.
( 2 ) 伝達トルク容量 (2) Transfer torque capacity
試験機として SAE N o . 2摩擦試験機を用い、 次の条件で Dy n am i c試験及び S t a t i c試験を実施する。
•摩擦材： S D— 1 777、 3枚 Using a SAE No. 2 friction tester as a tester, perform a dynamic test and a static test under the following conditions. • Friction material: SD-1777, 3 pieces
•油 量： 800 c c • Oil volume: 800 c c
'油 温： 1 00。C 'Oil temperature: 100. C
'面 圧： S k g f Zc m2 'Surface pressure: S kgf Zc m 2
[ D y n a m i e 式験] [D y n a m i e expression test]
摩擦材を回転数 3600 r p m、 慣性重量 3. 5 k g f · c m · s 2 で無負荷回転し、 スチールプレー卜で摩擦材を挟み込むように圧力を付 加し、 回転を停止させる。 The friction material is rotated at 3600 rpm with an inertial weight of 3.5 kgf · cm · s 2 without load, and pressure is applied so that the friction material is sandwiched between steel plates, and the rotation is stopped.
[ S t a t i c試験] [Sta tic test]
摩擦材をスチールプレー卜で挟み込むように圧力を付加し、 回転数 0 . 72 r p mで摩擦材を回転させ、 その時に発生する回転トルクを読み 取り、 摩擦係数に換算する。 低速回転で滑り出す最大トルク時の静止摩 擦係数 μ sを測定する。 Pressure is applied so that the friction material is sandwiched between steel plates, the friction material is rotated at a rotation speed of 0.72 rpm, and the rotational torque generated at that time is read and converted to a friction coefficient. Measure the static friction coefficient μs at the maximum torque that starts sliding at low speed.
伝達トルク容量の評価は S A E N o. 2試験 1 00 c/cでの静止 摩擦係数 sにより行ない、 sが 0. 1 00を超え高いほど伝達トル ク容量が大きいものと評価される。 The transmission torque capacity is evaluated based on the static friction coefficient s at 100 c / c in SA EN No. 2 test. The higher the s is over 0.100, the higher the transmission torque capacity is evaluated.
本発明のィミ ド系化合物 （化合物 Α〜Η) および比較に用いたィミ ド 系化合物 （化合物 I〜J) の組成成分については表 1に、 実施例および 比較例で用いた基油および添加剤組成ならびに潤滑油組成物の性能評価 については表 2〜4にまとめた。 Table 1 shows the composition of the imide compound of the present invention (compounds Α to Η) and the imide compound (compounds I to J) used for comparison, and the base oils used in Examples and Comparative Examples are shown in Table 1. Tables 2 to 4 summarize the additive composition and the performance evaluation of the lubricating oil composition.
実施例 1 Example 1
潤滑油基油として溶剤精製パラフィ ン系鉱油 （ 1 00°Cでの動粘度； 4mm2 /s ) を使用し、 ィミ ド系化合物 （化合物 A) 1. 0重量％、 カルシウムスルホネート （全塩基価 300 m g K 0 H/g ) 0. 3重量 %、 トリブチルホスフェート 0. 2重量％、 ポリメタァクリレート （粘 度指数向上剤） 5. 0重量％、 ポリイソブテニルコハク酸イミ ド （無灰 分散剤） 4. 0重量％、 2. 6—ジー t—ブチル— 4—メチルフエノー ル （酸化防止剤） 0. 4重量％およびべンゾトリアゾール （金属不活性 化剤） 0. 05重量％含有する潤滑油組成物を調製した。 ここで用いた
化合物 Aは、 表 4に示すように、 R 1 および R2 が各々炭素数 1 2の直 鎖状アルキル基、 R3 が炭素数 2のアルキレン基、 R4 が水素原子であ り、 nが 2のイミ ド系化合物である。 得られた潤滑油組成物についてシ ャダー振動防止性能および伝達トルク容量を測定し次の結果を得た。 Solvent-refined paraffinic mineral oil (kinematic viscosity at 100 ° C; 4 mm 2 / s) was used as the lubricating base oil. Imide-based compound (Compound A) 1.0% by weight, calcium sulfonate (total base) Value 300 mg K 0 H / g) 0.3% by weight, tributyl phosphate 0.2% by weight, polymethacrylate (viscosity index improver) 5.0% by weight, polyisobutenyl succinic acid imid (none Ash dispersant) 4.0% by weight, 2.6-di-tert-butyl-4-methylphenol (antioxidant) 0.4% by weight and benzotriazole (metal deactivator) 0.05% by weight A lubricating oil composition containing was prepared. Used here As shown in Table 4, in compound A, R 1 and R 2 are each a linear alkyl group having 12 carbon atoms, R 3 is an alkylene group having 2 carbon atoms, R 4 is a hydrogen atom, and n is It is an imid compound of 2. The resulting lubricating oil composition was measured for its anti-shudder vibration performance and transmitted torque capacity, and the following results were obtained.
- シャダ一振動防止性能指数（LVFAでの μΗ / L 比）： 1.06 - shudder one antivibration performance index (μ Η / L ratio in LVFA): 1.06
•伝達トルク容量（SAE No.2試験 100c/cでの静止摩擦係数 (s) ： 0.146 上記の評価結果によると、 シャダ一振動防止性能指数 1.06は 1.0 0を超えており、 また、 伝達トルク容量 0. 1 46は、 0. 1 00を超え ていることから動力伝達性能が極めて優れていることが理解できる。 実施例 2 • Transmission torque capacity (Static friction coefficient (s) at 100 c / c in SAE No.2 test: 0.146) According to the above evaluation results, the Shader-One-vibration prevention performance index 1.06 exceeds 1.00, and the transmission torque capacity Since the value of 0.146 exceeds 0.100, it can be understood that the power transmission performance is extremely excellent.
潤滑油基油として溶剤精製パラフィン系鉱油の代わりに α—ォレフィ ンコポリマ一系合成油 （ 1 00°Cにおける動粘度： 4 mm2 /s [モー ビル石油株式会社製 S H F 4 1 ] ) を用いたこと以外すベて実施例 1 と 同様にして潤滑油組成物を調製した。 シャダ一振動防止性能指数および 伝達トルク容量を測定し、 これらの結果を表 1に示す。 鉱油系基油と比 較して実質的に同等の結果を得た。 As the lubricating base oil, α-olefin copolymer-based synthetic oil (kinematic viscosity at 100 ° C: 4 mm 2 / s [SHF 41 by Mobile Oil Co., Ltd.]) was used instead of solvent-refined paraffinic mineral oil. In all other respects, a lubricating oil composition was prepared in the same manner as in Example 1. The performance index of shudder vibration prevention and transmission torque capacity were measured, and the results are shown in Table 1. Substantially equivalent results were obtained when compared to mineral base oils.
実施例 3〜9 Examples 3 to 9
表 1に示す基油に化合物 Aと各種添加剤を同表に示す割合で添加し潤 滑油組成物を調製した。 特に、 リン系化合物として、 トリプチルホスフ エート （実施例 3 ) 、 トリクレジルホスフェート （実施例 4) 、 トリオ クチルトリチォホスファイ ト （実施例 5 ) 、 モノォクチルホスフェート とジォクチルホスフユートの混合物 （ 1 ： 1 ) (実施例 6) を用いた。 得られた各潤滑油組成物のシャダ一振動防止性能および伝達トルク容量 を各々求め、 表 1に示す結果を得た。 Compound A and various additives were added to the base oils shown in Table 1 at the ratios shown in the table to prepare lubricating oil compositions. In particular, as the phosphorus compound, triptyl phosphate (Example 3), tricresyl phosphate (Example 4), trioctyltrithiophosphate (Example 5), a mixture of monooctyl phosphate and dioctyl phosphate (1: 1) (Example 6) was used. The shudder vibration prevention performance and the transmission torque capacity of each of the obtained lubricating oil compositions were determined, and the results shown in Table 1 were obtained.
実施例 1 0 Example 10
ィミ ド系化合物として化合物 Aの代わりに表 4に示す化合物 Bを用い たこと以外すベて実施例 1 と同様にして潤滑油組成物を調製した。 化合 物 Bは、 R1 および R2 の炭素数が各々 1 2の直鎖状アルキル基であり 、 R3 がエチレン基、 R4 が炭素数 6のアルキル基であり、 — NH—基
2個、 — NH2 3個結合されたイミ ド系化合物である。 また、 nが 2で ある。 潤滑油組成物を性能評価に供し、 表 2に示す結果を得た。 シャダ 一振動防止性能指数 （μΗ
比） は 1. 07であり、 伝達トルク容 量 （ s) は 0. 1 46であり、 極めて良好な結果が得られた。 A lubricating oil composition was prepared in the same manner as in Example 1 except that Compound B shown in Table 4 was used instead of Compound A as the imide compound. In the compound B, R 1 and R 2 are each a straight-chain alkyl group having 12 carbon atoms, R 3 is an ethylene group, R 4 is an alkyl group having 6 carbon atoms, and an —NH— group It is an imid compound in which two — and three NH 2 atoms are bonded. Also, n is 2. The lubricating oil composition was subjected to performance evaluation, and the results shown in Table 2 were obtained. Shada One-vibration prevention performance index (μ Η Ratio) was 1.07, and the transmission torque capacity (s) was 0.146, which was an extremely good result.
実施例 1 1 Example 1 1
ィミ ド系化合物として化合物 Αの代わりに化合物 Cを用いたこと以外 すべて実施例 1 と同一の条件および操作により潤滑油組成物を得た。 化 合物 Cは、 表 4に示すように R 1 および R2 が各々炭素数 1 8の直鎖状 アルキル基であり、 R3 がエチレン基、 R4 が水素原子であり、 nが 2 のイミ ド系化合物である。 潤滑油組成物のシャダ一振動防止性能指数 (μΗ L 比） および伝達トルク容量 （ S) の測定結果を表 2に示 す。 A lubricating oil composition was obtained under the same conditions and operations as in Example 1 except that compound C was used instead of compound と し て as the imide compound. As shown in Table 4, R 1 and R 2 are each a linear alkyl group having 18 carbon atoms, R 3 is an ethylene group, R 4 is a hydrogen atom, and n is 2 It is an imid compound. Table 2 shows the measurement results of the lubricating oil composition's shudder vibration prevention performance index ( μΗL ratio) and transmission torque capacity (S).
実施例 1 2〜： I 4 Example 12: I 4
ィミ ド系化合物として化合物 Aの代わりに化合物 D (実施例 1 2 ) 、 化合物 E (実施例 1 3) および化合物 F (実施例 1 4) を各々用いたこ と以外すベて実施例 1 と同様にして潤滑油組成物を調製した。 Example 1 was repeated except that Compound A (Example 12), Compound E (Example 13) and Compound F (Example 14) were used instead of Compound A as imid compounds. A lubricating oil composition was prepared in the same manner.
表 4に示すように化合物 Dは、 R1 および R2 が各々炭素数 1 8の直 鎖状アルキル基、 R3 がエチレン基、 R4 がアミ ド結合（一 C O— N—） を 2個、 アミノ基 （― NH— ) 1個を有する炭素数 1 ◦のアルキル基で あり、 nが 2のイミ ド系化合物である。 As shown in Table 4, in compound D, R 1 and R 2 each have a linear alkyl group having 18 carbon atoms, R 3 has an ethylene group, and R 4 has two amide bonds (one CO—N—). An alkyl group having one amino group (—NH—) and having 1 ◦ carbon atom, and n is 2;
化合物 Eは、 R1 および R2 が各々炭素数 24の直鎖状アルキル基、 R3 がエチレン基、 R4 が水素原子であり、 nが 2のイミ ド系化合物で ある。 Compound E is an imid compound in which R 1 and R 2 are each a linear alkyl group having 24 carbon atoms, R 3 is an ethylene group, R 4 is a hydrogen atom, and n is 2.
化合物 Fは、 R 1 および R2 が各々炭素数 8の直鎖状アルキル基、 R3 がエチレン基、 R4 が水素原子であり、 nが 2のイミ ド系化合物で ある。 Compound F is an imid compound in which R 1 and R 2 are each a linear alkyl group having 8 carbon atoms, R 3 is an ethylene group, R 4 is a hydrogen atom, and n is 2.
実施例 1 5〜； I 6 Examples 15 to; I 6
ィミ ド系化合物として、 化合物 Aの代わりに化合物 G (実施例 1 5 )
および化合物 H (実施例 1 6 ) を各々用いたこと以外すベて実施例 1 と 同様にして潤滑油組成物を調製した。 化合物 Gおよび Hは表 4に示すよ うに R 1 および R 2 が各々直鎖状不飽和炭化水素基を有するイミ ド系化 合物である。 上記評価結果を表 3に示す。 As an imid compound, compound G (Example 15) instead of compound A A lubricating oil composition was prepared in the same manner as in Example 1 except that Compound H and Compound H (Example 16) were used. As shown in Table 4, compounds G and H are imid compounds in which R 1 and R 2 each have a linear unsaturated hydrocarbon group. Table 3 shows the evaluation results.
実施例 1 7〜； L 9 Examples 17 to L9
ィミ ド系化合物として化合物 Gを用い、 リン酸エステルの代わりに酸 性リン酸エステルおよび酸性亜リン酸エステルを表 3に示す割合で使用 し潤滑油組成物を調製した。 組成および性能評価 （シャダー振動防止性 能および伝達トルク容量） の結果を表 3に示す。 A lubricating oil composition was prepared using Compound G as the imide compound and using acid phosphate and acid phosphite in the proportions shown in Table 3 in place of the phosphate. Table 3 shows the results of the composition and performance evaluation (shudder vibration prevention performance and transmission torque capacity).
比較例 1〜 1 4 Comparative Examples 1 to 14
表 3に示す基油と各種添加剤を同表に示す割合で混合し潤滑油組成物 を調製した。 各組成物についてシャダ一振動防止性能指数 （μ Η L 比） および伝達トルク容量を求め、 それらの結果を表 3に示す。 The lubricating oil composition was prepared by mixing the base oils shown in Table 3 and various additives in the proportions shown in the same table. For each composition, the shudder vibration prevention performance index ( μΗL ratio) and the transmitted torque capacity were determined, and the results are shown in Table 3.
比較例 1 2で用いた化合物 Iは、 R 1 および R 2 が各々炭素数 4の n 一ブチル基であり、 R 3 がエチレン基であり、 R 4 が水素原子であり、 nが 2のイミ ド系化合物である。 In the compound I used in Comparative Example 12, R 1 and R 2 are each an n-butyl group having 4 carbon atoms, R 3 is an ethylene group, R 4 is a hydrogen atom, and n is 2 It is a compound of the type.
比較例 1 4の化合物 Jは、 R 1 が炭素数 1 2の直鎖状アルキル基であ るのに対し、 R 2 が環式炭化水素基であり、 直鎖状飽和炭化水素基でな い炭化水素基を含有するィミ ド系化合物である。 In the compound J of Comparative Example 14, R 1 is a straight-chain alkyl group having 12 carbon atoms, whereas R 2 is a cyclic hydrocarbon group and is not a straight-chain saturated hydrocarbon group. It is an imid compound containing a hydrocarbon group.
上記実施例および比較例から、 本発明に係る新規なイミ ド系化合物を 用いることによりシャダ一振動防止性能および伝達トルク容量のすべて を満足させ得ることが明らかになった。 比較例 1 2においてはイミ ド系 化合物として化合物 Iを用いているが、 その R 1 および R 2 は各々炭素 数 4の n -ブチル基であり、 本発明の炭素数 5以上の炭化水素基に該当 しないものである。 また、 比較例 1 3においては、 無灰清浄分散剤とし て、 ポリイソブテニルコハク酸イミ ド （ビスタイプ） を他の実施例およ び比較例に比較して 2重量％増加させて 6重量％添加したが、 ここで用 いたポリイソブテニルコハク酸イミ ドのポリイソブテニル基は、 本発明 の炭素数 5以上の分岐を有しない直鎖状炭化水素基とは相違するもので
あり、 シャダ一振動防止性能の改善はみられない。 From the above Examples and Comparative Examples, it has been clarified that the use of the novel imide-based compound according to the present invention can satisfy all of the anti-vibration performance and the transmission torque capacity. In Comparative Example 12, Compound I was used as the imid compound, and R 1 and R 2 were each an n-butyl group having 4 carbon atoms, and were substituted with the hydrocarbon group having 5 or more carbon atoms of the present invention. Not applicable. In Comparative Example 13, polyisobutenyl succinic acid imide (bis type) was added as an ashless detergent and dispersant by 2% by weight as compared with the other Examples and Comparative Examples. However, the polyisobutenyl group of the polyisobutenyl succinic acid imide used here is different from the straight-chain hydrocarbon group having 5 or more carbon atoms and having no branch in the present invention. Yes, no improvement in shudder vibration prevention performance.
化合物 Jを用いた比較例 1 4の潤滑油組成物のシャダー振動防止性能 指数が 0. 94と 1. 00以下に低下し、 シャダ一振動防止性能を欠如 する結果となっている。 これは、 化合物 Jの R2 が環式化合物であるこ とから、 R 1 および R2 が両者共に直鎖状炭化水素でなければ伝達トル ク容量を維持しつつ、 シャダ一振動防止性能を付与することができない ことを示したものである。 The anti-shudder vibration index of the lubricating oil composition of Comparative Example 14 using Compound J was reduced to 0.94 and 1.00 or less, resulting in the lack of anti-shudder vibration prevention performance. Since R 2 of compound J is a cyclic compound, if both R 1 and R 2 are not straight-chain hydrocarbons, they provide anti-shaddle vibration prevention performance while maintaining transmission torque capacity. It indicates that it is not possible.
化合物 A〜Hの R 1 および R2 は表に示すように炭素数 8以上の直鎖 状アルキル基であり、 これらを用いた潤滑油組成物は伝達トルク容量を 損なうことなくシャダ一振動防止性能においては顕著な効果を示してい る。 R 1 and R 2 of the compound A~H is a linear alkyl group having 8 or more carbon atoms as shown in Table, shudder one antivibration performance without these lubricating oil composition using compromising torque capacity Has a remarkable effect.
また、 本発明のイミ ド系化合物には、 比較例 8および 9から理解され るように、 さらに顕著な効果の発揮可能な含有量の範囲が存在すること も判明した。
Further, as understood from Comparative Examples 8 and 9, it was also found that the imid-based compound of the present invention has a content range in which a more remarkable effect can be exhibited.
表 1 table 1
*化合物 A〜Hは本発明に係るィミド系化合物新規摩擦調整剤であり、 化合物 Iおよび Jは比較のために挙げた化合物である -
* Compounds A to H are imid-based compounds according to the present invention, novel friction modifiers, and compounds I and J are compounds listed for comparison-
表 2 tTable 2 t
C C
*添加剤の含有量は、 組成物全重量基準での重量％で表示した。
* The content of the additives is indicated by% by weight based on the total weight of the composition.
表 3 Table 3
*添加剤の含有量は、 組成物全重量基準での重量％で表示した。
* The content of the additives is indicated by% by weight based on the total weight of the composition.
表 4 Table 4
*添加剤の含有量は、 ^物全 mss準での重虽％で表示した。
* The content of additives is shown as% by weight based on the total mss of the products.
産業上の利用性 Industrial applicability
本発明の自動変速機用潤滑油組成物は、 潤滑油基油に前記のイミ ド系 化合物を含有させてなるものであり、 スリップ制御機構付自動変速機に おいてシャダ一振動防止性能の指標である μ— Vカーブの勾配を向上さ せることができ、 低速域でロックアップ機構を作動させた場合にも伝達 トルク容量を損なうことなく、 優れたシャダ一振動防止性能を発揮し、 動力伝達流体として極めて有用である。 The lubricating oil composition for an automatic transmission according to the present invention comprises the above-mentioned imid compound in a lubricating base oil, and is an index of anti-shudder vibration prevention performance in an automatic transmission with a slip control mechanism. It can improve the slope of the μ-V curve, and even when the lock-up mechanism is operated in the low-speed range, it exhibits excellent anti-shudder vibration prevention performance without impairing the transmission torque capacity, and power transmission. Very useful as a fluid.
また、 本発明によれば、 イミ ド系化合物を含有する前記自動変速機用 潤滑油組成物を用いるスリップ制御機構付自動変速機の潤滑方法を提供 することができ、 さらに、 本発明によれば、 伝達トルク容量が高く、 か つ、 シャダ一振動防止性能に優れた潤滑油組成物を充填したロックアツ プ機構を装着した自動変速機を提供することができる。
Further, according to the present invention, it is possible to provide a method of lubricating an automatic transmission with a slip control mechanism using the lubricating oil composition for an automatic transmission containing an imid-based compound. Further, it is possible to provide an automatic transmission equipped with a lock-up mechanism filled with a lubricating oil composition having a high transmission torque capacity and an excellent anti-shudder vibration prevention performance.
Claims
1. 潤滑油基油に、 1. For lubricating base oil,
下記一般式 [ I ] The following general formula [I]
(上記一般式 [ I ] において、 R1 および R囲2 は互いに同一であるかま たは異なるものでもよく、 各々炭素数 5以上の炭化水素基であり、 R3 は炭素数 1〜5の 2価の炭化水素基であり、 R4 は水素原子または炭素 数 1〜2 0の炭化水素基であり、 nは 0〜 1 0の整数である。 ） で表わされる化合物を有効量配合してなる自動変速機用潤滑油組成物。(In the above general formula [I], R 1 and R 2 may be the same or different from each other, each is a hydrocarbon group having 5 or more carbon atoms, and R 3 is 2 to 5 carbon atoms. R 4 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and n is an integer of 0 to 10.) An effective amount of a compound represented by the following formula: Lubricating oil composition for automatic transmission.
2. 前記一般式 [ I ] の化合物の有効量が潤滑油組成物全重量基準で 0 . 02重量％〜4重量％である請求の範囲第 1項記載の自動変速機用潤 滑油組成物。 2. The lubricating oil composition for an automatic transmission according to claim 1, wherein the effective amount of the compound of the general formula [I] is 0.02 to 4% by weight based on the total weight of the lubricating oil composition. .
3. 前記一般式 [ I ] において、 R 1 および R2 が各々炭素数 5〜40 の炭化水素基である請求の範囲第 1項記載の自動変速機用潤滑油組成 物。 3. The lubricating oil composition for an automatic transmission according to claim 1 , wherein in the general formula [I], R 1 and R 2 are each a hydrocarbon group having 5 to 40 carbon atoms.
4. 前記一般式 [ I ] において、 R 1 および R2 が各々炭素数 8~25 の分岐を有しない直鎖状炭化水素基であり、 R3 は炭素数 2〜5の二価 の炭化水素基である請求の範囲第 1項記載の自動変速機用潤滑油組成 物。 4. In the general formula [I], R 1 and R 2 are each a straight-chain hydrocarbon group having 8 to 25 carbon atoms and having no branch, and R 3 is a divalent hydrocarbon having 2 to 5 carbon atoms. The lubricating oil composition for an automatic transmission according to claim 1, which is a base.
5. 前記一般式 [ I ] において、 R4 はァミノ基および Zまたはアミ ド 結合を有してもよい炭化水素基である請求の範囲第 1項記載の自動変速 機用潤滑油組成物。
5. The lubricating oil composition for an automatic transmission according to claim 1, wherein in the general formula [I], R 4 is an amino group and a hydrocarbon group which may have Z or an amide bond.
6. 前記一般式 [ I ] で表わされる化合物が下記一般式 [ I I ] 6. The compound represented by the general formula [I] is represented by the following general formula [II]
R R
(上記一般式 [ I I ] において R1 および R2 は互いに同一であるかま たは異なるものでもよく、 炭素数 8〜25の分岐を有しない直鎖状炭化 水素基であり、 R4 は水素原子または炭素数 1〜 1 0の炭化水素基であ り、 該炭化水素基はアミノ基および/またははアミ ド結合を有してもよ く、 nは 1〜 5の整数である。 ） (In the general formula [II], R 1 and R 2 may be the same or different from each other, are a straight-chain hydrocarbon group having 8 to 25 carbon atoms and having no branch, and R 4 is a hydrogen atom. Or a hydrocarbon group having 1 to 10 carbon atoms, and the hydrocarbon group may have an amino group and / or an amide bond, and n is an integer of 1 to 5.)
で表されるィミ ド系化合物である請求の範囲第 1項記載の自動変速機用 潤滑油組成物。 The lubricating oil composition for an automatic transmission according to claim 1, which is an imid compound represented by the formula:
7. 前記潤滑油基油および （ a) 前記一般式 [ I ] で表わされる化合物 に、 潤滑油組成物全重量基準で、 さらに、 （b) スルホネート、 フエネ —卜、 サリシレートおよびホスホネートからなる群より選択される少な く とも一種の有機酸金属塩を 0. 02重量％~ 5重量％配合してなる請 求の範囲第 1項記載の自動変速機用潤滑油組成物。 7. The lubricating base oil and (a) a compound represented by the above general formula [I], further comprising (b) a sulfonate, a phenol, a salicylate, and a phosphonate based on the total weight of the lubricating oil composition. 2. The lubricating oil composition for an automatic transmission according to claim 1, comprising 0.02% by weight to 5% by weight of at least one selected metal salt of an organic acid.
8. 前記潤滑油基油および （ a) 前記一般式 [ I ] で表わされる化合物 に、 潤滑油組成物全重量基準で、 さらに、 （b) スルホネート、 フエネ —卜、 サリシレートおよびホスホネ一卜からなる群より選択される少な く とも一種の有機酸金属塩を 0. 02重量％〜5重量％ ならびに、 8. The lubricating base oil and (a) the compound represented by the general formula [I], further comprising (b) sulfonate, phenol, salicylate and phosphonet based on the total weight of the lubricating oil composition. From 0.02% to 5% by weight of at least one metal salt of an organic acid selected from the group;
( c ) リン酸エステル、 酸性リン酸エステル、 亜リン酸エステルおよび 酸性亜リン酸エステルからなる群より選択される少なく とも一種のリン 系化合物を 0. 0 1重量％〜 5重量％配合してなる請求の範囲第 1項記 載の自動変速機用潤滑油組成物。 (c) 0.01% to 5% by weight of at least one phosphorus compound selected from the group consisting of phosphate esters, acidic phosphate esters, phosphite esters and acidic phosphite esters. A lubricating oil composition for an automatic transmission according to claim 1.
9. 前記潤滑油基油に前記一般式 [ I ] で表される化合物に前記有機酸
金属塩および またはリン系化合物を配合してなり、 さらに、 摩耗防止 剤、 粘度指数向上剤、 無灰分散剤、 酸化防止剤、 金属不活性化剤、 腐蝕 防止剤、 消泡剤その他自動変速機用潤滑油組成物に必要な添加剤からな る群より選択される少なく とも一種の添加剤を配合してなる請求の範囲 第 1項記載の自動変速機用潤滑油組成物。 9. The compound represented by the general formula [I] is added to the lubricating base oil to the organic acid. It contains a metal salt and / or a phosphorus compound, and is used for anti-wear agents, viscosity index improvers, ashless dispersants, antioxidants, metal deactivators, corrosion inhibitors, defoamers and other automatic transmissions 2. The lubricating oil composition for an automatic transmission according to claim 1, wherein at least one additive selected from the group consisting of additives necessary for the lubricating oil composition is blended.
1 0 . 前記請求の範囲第 1項記載の自動変速械用潤滑油組成物を用いる 自動変速機の潤滑方法。 10. A method for lubricating an automatic transmission using the lubricating oil composition for an automatic transmission according to claim 1.
1 1 . 前記請求の範囲第 1項記載の自動変速機用潤滑油組成物を充填し てなる自動変速機。
11. An automatic transmission filled with the lubricating oil composition for an automatic transmission according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97927369A EP0889112A1 (en) | 1996-10-22 | 1997-06-11 | Lubricating oil composition for automatic transmissions |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8298082A JPH09202890A (en) | 1995-11-21 | 1996-10-22 | Lubricating oil composition for automatic transmission |
| JP8/298082 | 1996-10-22 |
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| Publication Number | Publication Date |
|---|---|
| WO1998017747A1 true WO1998017747A1 (en) | 1998-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1997/002025 WO1998017747A1 (en) | 1996-10-22 | 1997-06-11 | Lubricating oil composition for automatic transmissions |
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| EP (1) | EP0889112A1 (en) |
| WO (1) | WO1998017747A1 (en) |
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| AU4678300A (en) | 1999-04-30 | 2000-11-17 | Slil Biomedical Corporation | Novel polyamine analog conjugates and quinone conjugates as therapies for cancers and prostate diseases |
| EP1439217B1 (en) * | 2001-10-12 | 2012-06-20 | Nippon Oil Corporation | Lubricating oil composition for internal combustion engine |
| WO2003033455A1 (en) | 2001-10-16 | 2003-04-24 | Slil Biomedical Corporation | Oligoamine compounds and derivatives thereof for cancer therapy |
| US6660695B2 (en) * | 2002-03-15 | 2003-12-09 | Infineum International Ltd. | Power transmission fluids of improved anti-shudder properties |
| JP4677359B2 (en) * | 2005-03-23 | 2011-04-27 | アフトン・ケミカル・コーポレーション | Lubricating composition |
| US20070164259A1 (en) * | 2006-01-17 | 2007-07-19 | Sullivan William T | Additive system for lubricating fluids |
| JP4142060B2 (en) * | 2006-04-17 | 2008-08-27 | 新日本石油株式会社 | Lubricating oil composition for automatic transmission |
| SG11201909078YA (en) | 2017-05-19 | 2019-10-30 | Chevron Oronite Co | Dispersants, method of making, and using same |
| JP7011409B2 (en) * | 2017-06-30 | 2022-03-04 | 出光興産株式会社 | Friction modifier and lubricating oil composition |
| FR3097875B1 (en) * | 2019-06-28 | 2022-03-04 | Total Marketing Services | Lubricating composition for preventing corrosion and/or tribocorrosion of metal parts in an engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03502114A (en) * | 1988-10-24 | 1991-05-16 | エクソン ケミカル パテンツ インコーポレイテッド | Amide-containing friction modifier used in power transmission fluids |
| JPH06271883A (en) * | 1993-03-19 | 1994-09-27 | Honda Motor Co Ltd | Frictional force increasing agent for lubricating oil |
-
1997
- 1997-06-11 EP EP97927369A patent/EP0889112A1/en not_active Withdrawn
- 1997-06-11 WO PCT/JP1997/002025 patent/WO1998017747A1/en not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03502114A (en) * | 1988-10-24 | 1991-05-16 | エクソン ケミカル パテンツ インコーポレイテッド | Amide-containing friction modifier used in power transmission fluids |
| JPH06271883A (en) * | 1993-03-19 | 1994-09-27 | Honda Motor Co Ltd | Frictional force increasing agent for lubricating oil |
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| Publication number | Publication date |
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| EP0889112A1 (en) | 1999-01-07 |
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