CN105153710B - Cold-contraction type power fluorine silicon sleeve pipe and its application - Google Patents
Cold-contraction type power fluorine silicon sleeve pipe and its application Download PDFInfo
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- CN105153710B CN105153710B CN201510451991.XA CN201510451991A CN105153710B CN 105153710 B CN105153710 B CN 105153710B CN 201510451991 A CN201510451991 A CN 201510451991A CN 105153710 B CN105153710 B CN 105153710B
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- type power
- fluorosilicone
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- ZHPNWZCWUUJAJC-UHFFFAOYSA-N fluorosilicon Chemical compound [Si]F ZHPNWZCWUUJAJC-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000003054 catalyst Substances 0.000 claims abstract description 26
- 238000004073 vulcanization Methods 0.000 claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims abstract description 18
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 18
- 239000002253 acid Substances 0.000 claims abstract description 13
- 238000006459 hydrosilylation reaction Methods 0.000 claims abstract description 7
- 230000003197 catalytic effect Effects 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 31
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 19
- 235000012239 silicon dioxide Nutrition 0.000 claims description 19
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 8
- -1 hydroxyl alcohol Chemical compound 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 150000003961 organosilicon compounds Chemical class 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000004438 BET method Methods 0.000 claims description 2
- ZHNVIPZHJGJBNT-UHFFFAOYSA-M C(C)(=O)[O-].C(C)(=O)[Pt+]C(C)=O Chemical compound C(C)(=O)[O-].C(C)(=O)[Pt+]C(C)=O ZHNVIPZHJGJBNT-UHFFFAOYSA-M 0.000 claims description 2
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims description 2
- 125000005375 organosiloxane group Chemical group 0.000 claims description 2
- 150000002940 palladium Chemical class 0.000 claims description 2
- 150000003283 rhodium Chemical class 0.000 claims description 2
- 230000000536 complexating effect Effects 0.000 claims 1
- 230000014509 gene expression Effects 0.000 claims 1
- 239000010970 precious metal Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 19
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 13
- 229920001971 elastomer Polymers 0.000 description 12
- 238000002156 mixing Methods 0.000 description 12
- 239000012752 auxiliary agent Substances 0.000 description 8
- 239000008119 colloidal silica Substances 0.000 description 8
- 239000003517 fume Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 238000010792 warming Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 3
- 229940024545 aluminum hydroxide Drugs 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000000615 nonconductor Substances 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000005046 Chlorosilane Substances 0.000 description 1
- BUEPLEYBAVCXJE-UHFFFAOYSA-N [ethenyl-methyl-(trimethylsilylamino)silyl]ethene Chemical compound C(=C)[Si](N[Si](C)(C)C)(C=C)C BUEPLEYBAVCXJE-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000005055 methyl trichlorosilane Substances 0.000 description 1
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a kind of cold-contraction type power fluorine silicon sleeve pipe and its application, the sleeve pipe is by the Si CH=CH in organic poly- fluorosilicone2Continuous extrusion vulcanization is made after with the Si H groups in organic hydrogeneous poly- fluorosilicone hydrosilylation occurs under the catalytic action of noble metal catalyst for group.The present invention can install without heating, and permanent deformation is small, if the internal diameter of cable accessory is just fully able to meet its requirement less than cable insulation external diameter 2mm, and it is safe and non-toxic during product vulcanization, three wastes produce；There is excellent expansion tear resistance, insulating properties, anti-electric-mark, acid and alkali-resistance and anti-ultraviolet property after vulcanization, adapt to be used in the terminal connection of various cables in cable run, power delivery networks are formed together with cable, ensure the connection of cable termination.
Description
【Technical field】
The present invention relates to a kind of cold-contraction type power fluorine silicon sleeve pipe and its application, belong to technical field of polymer materials.
【Background technology】
Electric power is the important industry for being related to national economy, and electric energy has become indispensable in people's work and life
A kind of important energy source, and a new agenda has also been put in the transmission of electric energy.Self-evident electric cable fitting is connection electricity
Cable body, cable is connected with overhead transmission line and each power transformation station equipment, realize the necessary means of electric energy transmission.In recent years
Come, with the development of power industry and the popularization of power cable, the dosage of cable accessory is substantially increased, and new product continues to bring out,
Product quality and applicability are improved constantly, it is desirable to which the cold-contraction type power silicone rubber sleeve in terms of acid and alkali-resistance, which does not fail to reach, to be wanted
Ask, at this stage, by technical merit is limited, the country does not have also suitable the type product to meet chilling shrink type cable accessory industry
Requirement, native land inner cable annex enterprise generally uses imported raw material compression molding or direct import cold-contraction type power silicone rubber sleeve
Pipe carrys out Development and Production cable accessory.Mould pressing process is complicated, and percent defective is high, and low production efficiency, dimensional accuracy and presentation quality are poor,
The price of imported product is relatively too high simultaneously, and this will limit the development of cable accessory enterprise.With domestic production technical merit
Raising, the independent development of cold-contraction type power cable accessory, corresponding requirements cold-contraction type power fluorosioloxane rubber sleeve pipe is from mould pressing process
Expressing technique is turned to, and the outward appearance of product wants smooth zero defect, dimensional accuracy high and easily expansion, acid and alkali-resistance, and production is advised
Mould and raising production efficiency have bigger demand.
The domestic research to this respect at present has been achieved with many achievements, but is all to be only limitted to theoretical research or experiment mould
Intend, also appear in domestic market without the product of maturation, and it is stable on power network.Related patent substantially has following several
Kind：
Chinese patent (CN1255515A) reports a kind of polysiloxane rubber composition for being used to prepare cable or section bar.
Its method is the polysiloxane composition with peroxide crosslinking or condensation, and at least has the metallization of a unsaturated group
Compound.
Chinese patent (CN1865353A) relate to the exhausted property polysiloxane rubber composition of high-tension electricity and high voltage electrical insulator
Preparation method.Its method is that high pressure resistant electrical insulation capability is improved after processing with conventional aluminium-hydroxide powder.
Chinese patent (CN1282354A) discloses a kind of addition-crosslinked poly- silica with creep resistance and arc resistance
Alkane material, described is raising arc resistance energy after being surface-treated with the metal oxide of aluminium hydroxide, zinc or titanium.
Existing patent provided above is in reaction monomers used, chemical reaction mechanism, anti creepage trace performance and thing
Many aspects such as reason mechanical performance are all present in place of shortcoming and defect.Accessory substance is to environment as caused by the crosslinking of peroxide type
Pollute, not acid and alkali-resistance, with the metal oxide of the aluminium hydroxide after processing, zinc or titanium come improve high voltage electrical isolation performance,
Arc resistance can make poor bin stability, leakage current low intensity, physical and mechanical properties decline etc..
【The content of the invention】
The invention aims to make up the deficiencies in the prior art, there is provided it is a kind of have excellent expansion tear resistance, absolutely
Edge, anti-electric-mark, the cold-contraction type power fluorine silicon sleeve pipe of acid and alkali-resistance and anti-ultraviolet property.
It is a further object of the present invention to provide a kind of application of above-mentioned fluorine silicon sleeve pipe.
The present invention to achieve the above object, using following technical scheme：
Cold-contraction type power fluorine silicon sleeve pipe the, it is characterised in that make-Si-CH=CH in organic poly- fluorosilicone2Group is with having
In the hydrogeneous poly- fluorosilicone of machine-Si -- H occur under the catalytic action of noble metal catalyst it is continuous after hydrosilylation
Extrusion vulcanization is made, and the hydrosilylation formula is：
The present invention also mixes the gas of silicic acid anhydride when organic poly- fluorosilicone reacts with organic hydrogeneous poly- fluorosilicone
Aerosil, the mass parts of each raw material are：0.3 part of noble metal catalyst, organic poly- 30~70 parts of fluorosilicone are organic hydrogeneous
Poly- 30~50 parts of fluorosilicone, 30~60 parts of the aerosil of silicic acid anhydride.
The present invention preferred feedstock mass parts be：0.3 part of noble metal catalyst, organic poly- 30~66 parts of fluorosilicone, has
Hydrogeneous poly- 30~46 parts of the fluorosilicone of machine, 30~45 parts of the aerosil of silicic acid anhydride.
The present invention preferred feedstock mass parts be：0.3 part of noble metal catalyst, organic poly- 55~66 parts of fluorosilicone, has
Hydrogeneous poly- 35~45 parts of the fluorosilicone of machine, 34~45 parts of the aerosil of silicic acid anhydride.
Noble metal catalyst used is platinum-type catalyst, palladium class catalyst or rhodium class catalyst in present invention reaction, expensive
Concentration of metal ions 6000ppm；Described platinum-type catalyst is chloroplatinic acid, the reaction product of chloroplatinic acid and hydroxyl alcohol, chloroplatinic acid
With the complex compound of alkene, one kind in diacetyl platinum acetate.
Contain at least two olefin groups in one molecule of the organic poly- fluorosilicone of the present invention, by ViMe2SiO
(MeCF3CH2CH2SiO)nSiMe2Vi represents that average degree of polymerization is 2000~4000, described organic poly- fluorosilicone containing 0.1~
3wt% alkenyl, the viscosity at 25 DEG C are 400~800mPas, the positions of Si-Vi groups one end of strand or in
Between, or both have.
The average degree of polymerization of the organic hydrogeneous poly- fluorosilicone of the present invention is 1000~2000, at least containing three hydrogen bonds, by
HMe2SiO(MeCF3CH2CH2SiO)nSiMe2H represents that wherein the position of Si -- H bond is in one end of strand or centre, or two
Person has, and the mol ratio of Si -- H bond and Si-Vi keys is 1.8：1.
Aerosil in the present invention carries out silicic acid anhydride using organo-silicon compound, the silicic acid anhydride
Aerosil BET method specific surface area is 100~350m2/ g, 80~200kg/m of bulk density3, carbon atom be 2.0~
4.0%, the water content by karr-Fischer moisture determination method measure is 0.25%, and hexane extraction yield is 2.5wt%, described
Organo-silicon compound be organosilazanes, organosilicon chlorosilane, one kind in organosiloxane, as HMDS,
The silazane of methyl three, tetramethyl divinyl disilazane, trim,ethylchlorosilane, trimethyl dichlorosilane, methyl trichlorosilane
And dimethyl silicone polymer.
The present invention carries out hydrogeneous poly- fluorine silicon addition reaction, blended, mill, filtering, back mixing in fluorosioloxane rubber mill
Elastomeric compound, predominantly hydrogeneous poly- fluorosilicone Si -- H bond and sizing (methyl ethylene fluorosioloxane rubber) are formed Deng mixing process
In vinyl groups Si-CH=CH2Generation hydrosilylation, forms the elastomer of three-dimensional net structure, and the reaction is opened
Sweetening process condition is：Roller speed ratio 0.5~3.0；Cylinder spacing is 1~10mm, and using water cooling mode, temperature control is 20~60
℃。
Elastomeric compound is subjected to continuous extrusion sulfidization molding using rubber-plastic screw rod extruding equipment after refining glue, its process conditions is：
Continuous 400~600 DEG C, 5~80rpm of extruded velocity of extrusion temperature, using plsitive mold, Concentricity tolerance no more than 0.05~
0.30mm, continuous to extrude 400~600 DEG C of channel temperature of short vulcanization sizing in vulcanisation step, vulcanization traction channel temp is 100-
300 DEG C, using hot-air cure.Continuously the sleeve pipe compact dimensions of extrusion sulfidization molding are：Internal diameter 0.5mm~60mm, wall thickness
0.2mm~10mm, tolerance 0.02mm~2mm.
The properties of product of cold-contraction type power fluorosioloxane rubber sleeve pipe of the present invention：Hardness, Shao Er A：65-70；Tensile strength, MPa：
8.0-10；Tearing strength, KN/m：32-38；Elongation at break, %：700-750；Setafter break, %：4.0-4.5；Volume
Resistivity, Ω cm：1015-1016；Dielectric constant：3.0-3.2；Anti creepage trace/level：IA3.5, electrical strength, KV/mm：
22-24。
The application of cold-contraction type power fluorine silicon sleeve pipe of the present invention, it is characterised in that apply the various cables in electrical cable circuit
Terminal connection, power delivery networks are formed together with cable, ensure the connection of cable termination.It is applied particularly to 10KV electrical outdoors
The insulation protection of cable terminal, 10KV/35KV cable connectors, composite insulator, T connector.
The present invention compared with the prior art, has advantages below：
Electric power fluorosioloxane rubber sleeve pipe prepared by material of the present invention, there is the advantages of notable：
1) excellent dielectric properties, electrical property hardly changes in the case of being subjected to high/low temperature for a long time, as Ins. ulative material,
Electric breakdown strength is high, and anti creepage trace is strong.
2) excellent weatherability (- 50 DEG C -250 DEG C) and high hydrophobic, resistance to acids and bases and with uvioresistant, anti-ageing
The performances such as change, anticorrosion.
3) fluorosioloxane rubber material softness and there is high resiliency, cable insulation will not be made to be permanently deformed；Fluorine silicon rubber simultaneously
The glue material material far superior to harder with the cooperation of irregular cable surface.
4) good mechanical performance, there is good tensile strength, tearing strength, resilience and relatively low permanent deformation；
Fluorosioloxane rubber material becomes SiO2 after high-temp combustion, itself is also excellent electrical insulator.
Based on above advantage, the cold-contraction type power fluorosioloxane rubber sleeve pipe prepared with the method for the present invention is particularly suitable for applications in
The terminal connection of various cables, power delivery networks are formed together with cable, ensure the connection of cable termination in cable run；This
Invention cold-contraction type power fluorosioloxane rubber sleeve pipe can be installed without heating, and permanent deformation is small, as long as the internal diameter of cable accessory is less than
Cable insulation external diameter 2mm is just fully able to meet its requirement, and safe and non-toxic during product vulcanization, and three wastes produce；After vulcanization
With excellent expansion tear resistance, insulating properties, anti-electric-mark, acid and alkali-resistance and anti-ultraviolet property.
【Embodiment】
With reference to specific embodiment, the present invention will be further described：
Cold-contraction type power fluorine silicon sleeve pipe of the present invention, is prepared by the following method to obtain：
By 30~70 parts of organic poly- fluorosilicones, 30~50 parts of organic hydrogeneous poly- fluorosilicones, at 30~60 parts of hydrophobizations
The aerosil of reason is placed between kneading machine is heated to 140~150 DEG C and is kneaded, and 0.3 part is added after cooling
6000ppm noble metal catalysts, with the fast ratio 0.5~3.0 of roller in mill, cylinder spacing is 1~10mm, using water cooling side
The mixing process such as formula, 20~60 DEG C of temperature is mixed, mill, filtering, back mixing forms elastomeric compound, then through rubber-plastic screw rod extruding machine
Carry out continuous extrusion sulfidization molding.
Extrusion sulfidization molding process conditions be：Continuous 400~600 DEG C, 5~80rpm of extruded velocity of extrusion temperature, is used
Plsitive mold, Concentricity tolerance are not more than 0.05~0.30mm, continuous to extrude short vulcanization sizing channel temperature 400~600
DEG C, vulcanization traction channel temp is 100-300 DEG C, using hot-air cure.Continuously the sleeve pipe compact dimensions of extrusion sulfidization molding are：
Internal diameter 0.5mm~60mm, wall thickness 0.2mm~10mm, tolerance 0.02mm~2mm.
The present invention preferably first mixes organic poly- fluorosilicone and the aerosil of silicic acid anhydride before mixing, adds
Adding assistant is mixed between 140~150 DEG C, isothermal holding fume colloidal silica 6h, then vacuumizes 0.5h to remove auxiliary agent,
170 DEG C of insulation 3h are warming up to, control temperature is higher than 175 DEG C, then vacuumizes 1h, adds after stirring cooling and adds again when passing through mill
Enter organic hydrogeneous poly- fluorosilicone and noble metal catalyst, be so advantageous to raw material and mutually disperse, and improve product shelf characteric.
Embodiment 1：
60 parts of organic poly- fluorosilicones, the aerosil of 40 parts of silicic acid anhydrides, 6 parts of auxiliary agents are entered in a mixer
Row mixing, is heated between 140~150 DEG C, isothermal holding fume colloidal silica 6h, then vacuumizes 0.5h and helped with removing
Agent, 170 DEG C of insulation 3h are warming up to, control temperature is higher than 175 DEG C, then vacuumizes 1h, passes through the roller of mill after stirring cooling
Fast ratio 2.0, cylinder spacing is 5mm, and using water cooling mode, temperature control adds 30 parts of organic hydrogeneous poly- fluorosilicones at 20 DEG C
0.3 part is kneaded uniformly with 6000PPm noble metal catalysts, then in 450 DEG C, extruded velocity 30rpm of extrusion temperature, vulcanization traction
Channel temp is 200 DEG C, and using plsitive mold, Concentricity tolerance is not more than under 0.06mm, and continuous sleeve pipe compact dimensions of extruding are：
Internal diameter 6mm, wall thickness 0.5mm, the positive and negative 0.08mm of tolerance, produce cold-contraction type power fluorine silicon sleeve pipe.
The all-round property testing of embodiment 1 is as follows：Hardness, Shao Er A：65；Tensile strength, MPa：8.0；Tear is strong
Degree, KN/m：32；Elongation at break, %：750；Setafter break, %：4.5；Specific insulation, Ω cm：1015-1016；
Dielectric constant：3.0；Anti creepage trace/level：IA3.5, electrical strength, KV/mm：22.
Embodiment 2：
55 parts of organic poly- fluorosilicones, the aerosil of 45 parts of silicic acid anhydrides, 7 parts of auxiliary agents are entered in a mixer
Row mixing, is heated between 140~150 DEG C, isothermal holding fume colloidal silica 6h, then vacuumizes 0.5h and helped with removing
Agent, 170 DEG C of insulation 3h are warming up to, control temperature is higher than 175 DEG C, then vacuumizes 1h, passes through the roller of mill after stirring cooling
Fast ratio 2.0, cylinder spacing is 5mm, and using water cooling mode, temperature control adds 35 parts of organic hydrogeneous poly- fluorosilicones at 20 DEG C
0.3 part is kneaded uniformly with 6000PPm noble metal catalysts, then in 480 DEG C, extruded velocity 28rpm of extrusion temperature, vulcanization traction
Channel temp is 210 DEG C, and using plsitive mold, Concentricity tolerance is not more than under 0.06mm, and continuous sleeve pipe compact dimensions of extruding are：
Internal diameter 12mm, wall thickness 1.5mm, the positive and negative 0.09mm of tolerance, produce cold-contraction type power fluorine silicon sleeve pipe.
The product all-round property testing of embodiment 2 is as follows：Hardness, Shao Er A：67；Tensile strength, MPa：8.5；Tear
Intensity, KN/m：32；Elongation at break, %：710；Setafter break, %：4.1；Specific insulation, Ω cm：1015；Dielectric
Constant：3.2；Anti creepage trace/level：IA3.5, electrical strength, KV/mm：23.
Embodiment 3：
58 parts of organic poly- fluorosilicones, the aerosil of 42 parts of silicic acid anhydrides, 6 parts of auxiliary agents are entered in a mixer
Row mixing, is heated between 140~150 DEG C, isothermal holding fume colloidal silica 6h, then vacuumizes 0.5h and helped with removing
Agent, 170 DEG C of insulation 3h are warming up to, control temperature is higher than 175 DEG C, then vacuumizes 1h, passes through the roller of mill after stirring cooling
Fast ratio 2.0, cylinder spacing is 5mm, and using water cooling mode, temperature control adds 37 parts of organic hydrogeneous poly- fluorosilicones at 20 DEG C
0.3 part is kneaded uniformly with 6000PPm noble metal catalysts, then in 500 DEG C, extruded velocity 25rpm of extrusion temperature, vulcanization traction
Channel temp is 230 DEG C, and using plsitive mold, Concentricity tolerance is not more than under 0.06mm, and continuous sleeve pipe compact dimensions of extruding are：
Internal diameter 15mm, wall thickness 2.0mm, the positive and negative 0.12mm of tolerance, produce cold-contraction type power fluorine silicon sleeve pipe.
The product all-round property testing of embodiment 3 is as follows：Hardness, Shao Er A：68；Tensile strength, MPa：8.7；Tear
Intensity, KN/m：33；Elongation at break, %：725；Setafter break, %：4.2；Specific insulation, Ω cm：1015；Dielectric
Constant：3.1；Anti creepage trace/level：IA3.5, electrical strength, KV/mm：23.
Embodiment 4：
59 parts of organic poly- fluorosilicones, the aerosil of 41 parts of silicic acid anhydrides, 6 parts of auxiliary agents are entered in a mixer
Row mixing, is heated between 140~150 DEG C, isothermal holding fume colloidal silica 6h, then vacuumizes 0.5h and helped with removing
Agent, 170 DEG C of insulation 3h are warming up to, control temperature is higher than 175 DEG C, then vacuumizes 1h, passes through the roller of mill after stirring cooling
Fast ratio 2.0, cylinder spacing is 5mm, and using water cooling mode, temperature control adds 40 parts of organic hydrogeneous poly- fluorosilicones at 20 DEG C
0.3 part is kneaded uniformly with 6000PPm noble metal catalysts, then in 550 DEG C, extruded velocity 20rpm of extrusion temperature, vulcanization traction
Channel temp is 230 DEG C, and using plsitive mold, Concentricity tolerance is not more than under 0.06mm, and continuous sleeve pipe compact dimensions of extruding are：
Internal diameter 17mm, wall thickness 2.0mm, the positive and negative 0.15mm of tolerance, produce cold-contraction type power fluorine silicon sleeve pipe.
The product all-round property testing of embodiment 4 is as follows：Hardness, Shao Er A：69；Tensile strength, MPa：9.0；Tear
Intensity, KN/m：33；Elongation at break, %：700；Setafter break, %：4.0；Specific insulation, Ω cm：1015；Dielectric
Constant：3.1；Anti creepage trace/level：IA3.5, electrical strength, KV/mm：24.
Embodiment 5：
61 parts of organic poly- fluorosilicones, the aerosil of 39 parts of silicic acid anhydrides, 6 parts of auxiliary agents are entered in a mixer
Row mixing, is heated between 140~150 DEG C, isothermal holding fume colloidal silica 6h, then vacuumizes 0.5h and helped with removing
Agent, 170 DEG C of insulation 3h are warming up to, control temperature is higher than 175 DEG C, then vacuumizes 1h, passes through the roller of mill after stirring cooling
Fast ratio 2.0, cylinder spacing is 5mm, and using water cooling mode, temperature control adds 45 parts of organic hydrogeneous poly- fluorosilicones at 20 DEG C
0.3 part is kneaded uniformly with 6000PPm noble metal catalysts, then in 550 DEG C, extruded velocity 22rpm of extrusion temperature, vulcanization traction
Channel temp is 220 DEG C, and using plsitive mold, Concentricity tolerance is not more than under 0.06mm, and continuous sleeve pipe compact dimensions of extruding are：
Internal diameter 16mm, wall thickness 2.0mm, the positive and negative 0.15mm of tolerance, produce cold-contraction type power fluorine silicon sleeve pipe.
The product all-round property testing of embodiment 5 is as follows：Hardness, Shao Er A：70；Tensile strength, MPa：9.5；Tear
Intensity, KN/m：36；Elongation at break, %：700；Setafter break, %：4.0；Specific insulation, Ω cm：1015；Dielectric
Constant：3.0；Anti creepage trace/level：IA3.5, electrical strength, KV/mm：24.
Embodiment 6：
65 parts of organic poly- fluorosilicones, the aerosil of 35 parts of silicic acid anhydrides, 5 parts of auxiliary agents are entered in a mixer
Row mixing, is heated between 140~150 DEG C, isothermal holding fume colloidal silica 6h, then vacuumizes 0.5h and helped with removing
Agent, 170 DEG C of insulation 3h are warming up to, control temperature is higher than 175 DEG C, then vacuumizes 1h, passes through the roller of mill after stirring cooling
Fast ratio 2.0, cylinder spacing is 5mm, and using water cooling mode, temperature control adds 40 parts of organic hydrogeneous poly- fluorosilicones at 20 DEG C
0.3 part is kneaded uniformly with 6000PPm noble metal catalysts, then in 550 DEG C, extruded velocity 27rpm of extrusion temperature, vulcanization traction
Channel temp is 230 DEG C, and using plsitive mold, Concentricity tolerance is not more than under 0.06mm, and continuous sleeve pipe compact dimensions of extruding are：
Internal diameter 13mm, wall thickness 2.0mm, the positive and negative 0.10mm of tolerance, produce cold-contraction type power fluorine silicon sleeve pipe.
The all-round property testing of embodiment 6 is as follows：Hardness, Shao Er A：66；Tensile strength, MPa：10.0；Tear is strong
Degree, KN/m：33；Elongation at break, %：750；Setafter break, %：4.5；Specific insulation, Ω cm：1015-1016；
Dielectric constant：3.0；Anti creepage trace/level：IA3.5, electrical strength, KV/mm：22.
Embodiment 7：
66 parts of organic poly- fluorosilicones, the aerosil of 34 parts of silicic acid anhydrides, 5 parts of auxiliary agents are entered in a mixer
Row mixing, is heated between 140~150 DEG C, isothermal holding fume colloidal silica 6h, then vacuumizes 0.5h and helped with removing
Agent, 170 DEG C of insulation 3h are warming up to, control temperature is higher than 175 DEG C, then vacuumizes 1h, passes through the roller of mill after stirring cooling
Fast ratio 2.0, cylinder spacing is 5mm, and using water cooling mode, temperature control adds 46 parts of organic hydrogeneous poly- fluorosilicones at 20 DEG C
0.3 part is kneaded uniformly with 6000PPm noble metal catalysts, then in 550 DEG C, extruded velocity 35rpm of extrusion temperature, vulcanization traction
Channel temp is 230 DEG C, and using plsitive mold, Concentricity tolerance is not more than under 0.06mm, and continuous sleeve pipe compact dimensions of extruding are：
Internal diameter 8mm, wall thickness 2.0mm, the positive and negative 0.10mm of tolerance, produce cold-contraction type power fluorine silicon sleeve pipe.
The all-round property testing of embodiment 7 is as follows：Hardness, Shao Er A：68；Tensile strength, MPa：9.5；Tear is strong
Degree, KN/m：32；Elongation at break, %：715；Setafter break, %：4.0；Specific insulation, Ω cm：1015；Dielectric is normal
Number：3.0；Anti creepage trace/level：IA3.5, electrical strength, KV/mm：23.
Claims (8)
1. cold-contraction type power fluorine silicon sleeve pipe the, it is characterised in that make-Si-CH=CH in organic poly- fluorosilicone2Group contains with organic
In the poly- fluorosilicone of hydrogen-Si -- H continuously extrudes after hydrosilylation occurs under the catalytic action of noble metal catalyst
Vulcanization is made, and the hydrosilylation formula is：
The aerosil of silicic acid anhydride is also mixed during reaction, the mass parts of each raw material are：0.3 part of noble metal catalyst,
Organic 55~66 parts of poly- fluorosilicone, organic hydrogeneous poly- 30~50 parts of fluorosilicone, the aerosil 34 of silicic acid anhydride
~45 parts；
The noble metal catalyst is platinum-type catalyst, palladium class catalyst or rhodium class catalyst, precious metal ion concentration
6000ppm, described platinum-type catalyst are chloroplatinic acid, the reaction product of chloroplatinic acid and hydroxyl alcohol, the complexing of chloroplatinic acid and alkene
Thing, one kind in diacetyl platinum acetate.
2. cold-contraction type power fluorine silicon sleeve pipe according to claim 1, it is characterised in that the one of organic poly- fluorosilicone
Contain at least two olefin groups in individual molecule, average degree of polymerization is 2000~4000, and described organic poly- fluorosilicone contains 0.1
~3wt% alkenyl, the viscosity at 25 DEG C is 400~800mPas.
3. cold-contraction type power fluorine silicon sleeve pipe according to claim 1, it is characterised in that organic hydrogeneous poly- fluorosilicone
Average degree of polymerization be 1000~2000, by HMe2SiO(MeCF3CH2CH2SiO)nSiMe2H expressions, Si -- H bond and Si-Vi keys
Mol ratio should be 1.8：1.
4. cold-contraction type power fluorine silicon sleeve pipe according to claim 1, it is characterised in that described aerosil uses
Organo-silicon compound carry out silicic acid anhydride, the aerosil BET method specific surface area of the silicic acid anhydride for 100~
350m2/ g, 80~200kg/m of bulk density3, carbon atom is 2.0~4.0%, by karr-Fischer moisture determination method measure
Water content is 0.25%, and hexane extraction yield is 2.5%, and described organo-silicon compound are organosilazanes, organosilicon chlorine silicon
Alkane, one kind in organosiloxane.
5. cold-contraction type power fluorine silicon sleeve pipe according to claim 1, it is characterised in that the mill of the hydrosilylation
Process conditions are：Roller speed ratio 0.5~3.0, cylinder spacing is 1~10mm, and using water cooling mode, temperature control is 20~60
℃。
6. cold-contraction type power fluorine silicon sleeve pipe according to claim 1, it is characterised in that entered using rubber-plastic screw rod extruding equipment
The continuous extrusion sulfidization molding of row, continuous 400~600 DEG C, 5~80rpm of extruded velocity of extrusion temperature, using plsitive mold, together
Heart degree deviation is not more than 0.05~0.30mm, continuous to extrude short vulcanization 400~600 DEG C of channel temperature of sizing, vulcanizes tow way
Temperature is 100-300 DEG C, using hot-air cure.
7. cold-contraction type power fluorine silicon sleeve pipe according to claim 1, it is characterised in that described sleeve pipe compact dimensions are：Internal diameter
0.5mm~60mm, wall thickness 0.2mm~10mm, tolerance 0.02mm~2mm.
8. the application of the cold-contraction type power fluorine silicon sleeve pipe described in claim 1, it is characterised in that apply in electrical cable circuit
The terminal connection of various cables.
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| CN111073306A (en) * | 2019-12-31 | 2020-04-28 | 广东中蓝硅氟新材料有限公司 | Addition type solid conductive fluorosilicone rubber and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2228408A1 (en) * | 2009-03-12 | 2010-09-15 | Shin-Etsu Chemical Co., Ltd. | Liquid curable fluorosilicone composition and production method thereof |
| CN103725199A (en) * | 2014-01-06 | 2014-04-16 | 吉林大学 | Addition fluorinated silicone rubber nano antifreezing adhesive paint and preparation method thereof |
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2015
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2228408A1 (en) * | 2009-03-12 | 2010-09-15 | Shin-Etsu Chemical Co., Ltd. | Liquid curable fluorosilicone composition and production method thereof |
| CN103725199A (en) * | 2014-01-06 | 2014-04-16 | 吉林大学 | Addition fluorinated silicone rubber nano antifreezing adhesive paint and preparation method thereof |
Non-Patent Citations (2)
| Title |
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| 白炭黑处理工艺对气相白炭黑疏水性及其补强性能的影响;张承焱等;《世界橡胶工业》;20010420;第28卷(第2期);第2-4页 * |
| 硅氢加成氟硅橡胶的制备;陈秀杰等;《城市建设理论研究（电子版）》;20141017;第4卷(第23期);第1.1-1.4节，表1 * |
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Address after: 528400 Guangdong Zhongshan Torch Development Zone, west of science and technology, No. 43 electronic base, standard workshop 2, East three and 3 first floor Patentee after: Guangdong blue silicon fluorine New Material Co., Ltd. Address before: 2, No. 43, 528400 west science and technology road, Torch Development Zone, Guangdong, Zhongshan Province, three East Patentee before: GUANGDONG BLUE SILICON-FLUORIDE PIPE COMPANY LIMITED |
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