CN108752829A - A kind of high mechanics modified SEBS material and preparation method thereof - Google Patents
A kind of high mechanics modified SEBS material and preparation method thereof Download PDFInfo
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- CN108752829A CN108752829A CN201810790703.7A CN201810790703A CN108752829A CN 108752829 A CN108752829 A CN 108752829A CN 201810790703 A CN201810790703 A CN 201810790703A CN 108752829 A CN108752829 A CN 108752829A
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- 239000000463 material Substances 0.000 title claims abstract description 111
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 title claims abstract description 99
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 229920001707 polybutylene terephthalate Polymers 0.000 claims abstract description 44
- 239000003999 initiator Substances 0.000 claims abstract description 35
- 238000011049 filling Methods 0.000 claims abstract description 31
- -1 polybutylene terephthalate Polymers 0.000 claims abstract description 30
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 27
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 27
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims description 29
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 28
- 239000008188 pellet Substances 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 21
- 238000005453 pelletization Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000032683 aging Effects 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000005662 Paraffin oil Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 7
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 claims description 6
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 4
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 3
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical group C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 3
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 3
- YQHLDYVWEZKEOX-UHFFFAOYSA-N cumene hydroperoxide Chemical compound OOC(C)(C)C1=CC=CC=C1 YQHLDYVWEZKEOX-UHFFFAOYSA-N 0.000 claims description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 3
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 claims description 3
- JAJIVBQHFTVIEF-UHFFFAOYSA-N C(CCCCCCCCCCCCCCCCC)O.C(CC)(=O)O Chemical class C(CCCCCCCCCCCCCCCCC)O.C(CC)(=O)O JAJIVBQHFTVIEF-UHFFFAOYSA-N 0.000 claims 1
- 125000002252 acyl group Chemical group 0.000 claims 1
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 31
- 229920002725 thermoplastic elastomer Polymers 0.000 description 5
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- 239000012779 reinforcing material Substances 0.000 description 4
- 150000008065 acid anhydrides Chemical class 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000003486 chemical etching Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 150000004702 methyl esters Chemical class 0.000 description 2
- 235000019260 propionic acid Nutrition 0.000 description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 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
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/006—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to block copolymers containing at least one sequence of polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F287/00—Macromolecular compounds obtained by polymerising monomers on to block polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of high mechanics modified SEBS material and preparation method thereof, it is related to cable material field, including the raw material of following parts by weight meter：0.2-0.8 parts of 90-100 parts of SEBS materials, 35-45 parts of polybutylene terephthalate (PBT), 60-70 parts of oil of filling, 1.2-1.8 parts of antioxidant, 0.8-1.5 parts of maleic anhydride, 0.2-0.8 parts of methyl methacrylate and initiator；Modified SEBS material of the present invention is acted on by the associated between component, has good mobility, easy to process, the tensile strength and intensity of material significantly improve simultaneously, have excellent mechanical property, enhance the application field of SEBS materials, preparation process less energy consumption, high income.
Description
Technical field
The present invention relates to cable material fields, and in particular to a kind of high mechanics modified SEBS material and preparation method thereof.
Background technology
Polystyrene-ethylene=butadiene-styrene (SEBS) is a kind of novel thermoplastic body, is by polyphenyl second
Alkene-butadiene-styrene unsaturated double-bond Hydrogenation obtains, and SEBS has excellent ageing-resistant performance, not only has plasticity, but also
With high resiliency, it is widely used in the high-grade elastomer of production, the filling of modifying plastics, adhesive, lubricant tackifier, communication cable
Material and protective cover material etc..Excellent SEBS also has good weatherability, heat resistance, compression resistant morphotropism and excellent mechanical property simultaneously
Can, it is widely used in automobile industry, construction industry and aircraft industry etc..
However, under normal circumstances, pure SEBS is used not separately as thermoplastic elastomer material.Main cause has three
It is a：First, SEBS compared with traditional vulcanized rubber, has a rigidity excessive, the shortcomings of density is high, and use solvent resistance and resistance to
Oiliness is usually not as good as traditional vulcanized rubber.But the mobility of SEBS itself is poor, is not easy on plastic molding and processing equipment
It is processed；Third, SEBS is expensive, it is difficult to realize large-scale production.
Chinese patent CN105367690A discloses a kind of functionalization SEBS materials and preparation method thereof, the material be by with
The component of lower parts by weight is made：SEBS100 parts, 4-5 parts of azido compound, 0.2-0.3 parts of cumyl peroxide, antioxidant
0.1-0.15 parts and double 0.4-0.5 parts of bis-stearamides of support；The present invention improves tensile strength after being functionalized SEBS and fracture is stretched
Long rate also makes its band polarized, increases application field,
Chinese patent CN102634159B discloses a kind of SEBS thermoplastic elastomer (TPE)s, includes the SEBS in terms of parts by weight
30-40 parts of resin, 3-19 parts of polypropylene, 20-48 parts of mineral oil, monomer resin 3.5-8 parts hydrocarbon, 5-35 parts of filler and antioxygen
0.05-0.2 parts of agent.SEBS thermoplastic elastomer (TPE)s according to the present invention have good compression set, while having excellent
Mechanical property is widely used.
Invention content
For problems of the prior art, the present invention provides a kind of high mechanics modified SEBS material and its preparation sides
Method, modified SEBS material of the present invention are acted on by the associated between component, have good mobility, easy to process, while material
Tensile strength and intensity significantly improve, have excellent mechanical property, enhance the application field of SEBS materials, preparation process
Less energy consumption, high income.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of high mechanics modified SEBS material, includes the raw material of following parts by weight meter：
90-100 parts of SEBS materials, 35-45 parts of polybutylene terephthalate (PBT), 60-70 parts of oil of filling, antioxidant 1.2-
0.2-0.8 parts of 1.8 parts, 0.8-1.5 parts of maleic anhydride, 0.2-0.8 parts of methyl methacrylate and initiator.
Preferably, include the raw material of following parts by weight meter：93-97 parts of SEBS materials, polybutylene terephthalate (PBT) 38-
42 parts, filling 63-67 parts of oil, 1.4-1.6 parts of antioxidant, 1.1-1.3 parts of maleic anhydride, 0.4-0.6 parts of methyl methacrylate
With 0.4-0.6 parts of initiator.
Preferably, include the raw material of following parts by weight meter：96 parts of SEBS materials, 40 parts of polybutylene terephthalate (PBT),
0.5 part of 65 parts of filling oil, 1.5 parts of antioxidant, 1.2 parts of maleic anhydride, 0.5 part of methyl methacrylate and initiator.
Preferably, the filling oil is one kind in paraffin oil or naphthenic oil.
Preferably, the antioxidant be β-((3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester, β-(3,
5- di-tert-butyl-hydroxy phenyls) propionic acid octadecanol ester and one kind in three (2,4- di-tert-butyl-phenyls) phosphites or
Several combinations.
Preferably, the initiator is benzoyl peroxide, isopropyl benzene hydroperoxide, tert-butyl hydroperoxide, peroxidating
One or more of t-butyl perbenzoate and cumyl peroxide combine.
A kind of preparation method of above-mentioned high mechanics modified SEBS material is also disclosed in the present invention, specifically, including it is following
Step：
(1) maleic anhydride, methyl methacrylate and initiator are uniformly mixed, are added in acetone and dissolve, with 500-600
Rev/min stirring 20-25 minutes；
(2) product of step (1) and SEBS materials are added in high-speed mixer, are warming up to 60-70 degrees Celsius, high speed is mixed
It closes 15-20 minutes, adds twin-screw extrude extruding pelletization, pellet is added in baking oven and dries extremely after deionized water is cleaned
Constant weight obtains SEBS graft materials；
(3) SEBS graft materials and filling oil are added in high-speed mixer, with 600-700 revs/min of speed,
Under 50-60 degrees Celsius, after mixing 20-30 minutes, still aging 24 hours at room temperature；
(4) product, polybutylene terephthalate (PBT) and antioxidant of step (3) are added in high-speed mixer, with
1200-1500 revs/min of speed mixes 30-40 minutes under 70-80 degrees Celsius, obtains blend composition；
(5) blend composition being made in step (4) and adds twin-screw extrude extrusion, extruded material passes through water cooling pelletizing,
To get the high mechanics modified SEBS material after pellet drying.
Preferably, the dosage of acetone is maleic anhydride, methyl methacrylate and initiator total weight in the step (1)
3-4 times.
Preferably, the spout of the double screw extruder is set as 190 degrees Celsius to head temperature successively, and 210 is Celsius
Degree, 210 degrees Celsius, 210 degrees Celsius, 205 degrees Celsius.
Preferably, in the step (5) pellet drying for pellet is put into 90 degrees Celsius of drying machine dry 6 hours with
On.
The present invention has following advantageous effect：
(1) modified SEBS material of the present invention is acted on by the associated between component, has good mobility, easy to process,
The tensile strength and intensity of material significantly improve simultaneously, have excellent mechanical property, enhance the application field of SEBS materials,
Preparation process less energy consumption, high income.
(2) maleic anhydride is grafted under the action of initiator on SEBS materials, while by adding monomer metering system
The addition of sour methyl esters improves the grafting rate for buying acid anhydrides, and the toughness of SEBS materials is enhanced by maleic anhydride grafting, is increased simultaneously
The strong polarity of material, and the compatibility with inorganic substances.
(3) since SEBS materials have a poor fluidity, addition filling oil can with the mobility of reinforcing material and plus
Work performance, while the addition of paraffin oil and naphthenic oil can be with the toughness and stretch-resistance of reinforcing material.
(4) polybutylene terephthalate has intensity height, fatigue durability, wear-resisting, oil resistant, resistant to chemical etching, electrical isolation
Property good and hot property it is excellent, processing performance is excellent, is molded fast advantage, by PBT and filling oil blending and modifying SEBS materials, greatly
Big stretch-resistance, resistance to fracture, processability and the hardness for improving material, has widened the application range of SEBS materials.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of high mechanics modified SEBS material, includes the raw material of following parts by weight meter：
90 parts of SEBS materials, 35 parts of polybutylene terephthalate (PBT), 60 parts of filling oil, 1.2 parts of antioxidant, maleic anhydride
0.2 part of 0.8 part, 0.2 part of methyl methacrylate and initiator.
Filling oil is paraffin oil.
Antioxidant is β-((3,5- di-tert-butyl-hydroxy phenyls) propionic acid) pentaerythritol ester.
Initiator is benzoyl peroxide.
The preparation method of high mechanics modified SEBS material in the present embodiment specifically includes the following steps：
(1) maleic anhydride, methyl methacrylate and initiator are uniformly mixed, be added acetone in dissolve, with 500 turns/
Minute stirring 20 minutes；
(2) product of step (1) and SEBS materials are added in high-speed mixer, are warming up to 60 degrees Celsius, mixed at high speed
15 minutes, extruding pelletization is added twin-screw extrude, pellet is added in baking oven and dries to constant weight after deionized water is cleaned,
Obtain SEBS graft materials；
(3) SEBS graft materials and filling oil are added in high-speed mixer, it is Celsius 50 with 600 revs/min of speed
Under degree, mix after twenty minutes, still aging 24 hours at room temperature；
(4) product, polybutylene terephthalate (PBT) and antioxidant of step (3) are added in high-speed mixer, with
1200 revs/min of speed mixes 30 minutes under 70 degrees Celsius, obtains blend composition；
(5) blend composition being made in step (4) and adds twin-screw extrude extrusion, extruded material passes through water cooling pelletizing,
To get the high mechanics modified SEBS material after pellet drying.
In step (1) dosage of acetone be maleic anhydride, 3 times of methyl methacrylate and initiator total weight.
The spout of double screw extruder is set as 190 degrees Celsius to head temperature successively, and 210 degrees Celsius, 210 is Celsius
Degree, 210 degrees Celsius, 205 degrees Celsius.
Pellet drying is dried 7 hours for pellet to be put into 90 degrees Celsius of drying machine in step (5).
Embodiment 2
A kind of high mechanics modified SEBS material, includes the raw material of following parts by weight meter：
100 parts of SEBS materials, 45 parts of polybutylene terephthalate (PBT), 70 parts of filling oil, 1.8 parts of antioxidant, maleic acid
0.8 part of 1.5 parts of acid anhydride, 0.8 part of methyl methacrylate and initiator.
Filling oil is naphthenic oil.
Antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecanol ester.
Initiator is isopropyl benzene hydroperoxide.
The preparation method of high mechanics modified SEBS material in the present embodiment specifically includes the following steps：
(1) maleic anhydride, methyl methacrylate and initiator are uniformly mixed, be added acetone in dissolve, with 600 turns/
Minute stirring 25 minutes；
(2) product of step (1) and SEBS materials are added in high-speed mixer, are warming up to 70 degrees Celsius, mixed at high speed
20 minutes, extruding pelletization is added twin-screw extrude, pellet is added in baking oven and dries to constant weight after deionized water is cleaned,
Obtain SEBS graft materials；
(3) SEBS graft materials and filling oil are added in high-speed mixer, it is Celsius 60 with 700 revs/min of speed
Under degree, after mixing 30 minutes, still aging 24 hours at room temperature；
(4) product, polybutylene terephthalate (PBT) and antioxidant of step (3) are added in high-speed mixer, with
1500 revs/min of speed mixes 40 minutes at 80 degrees celsius, obtains blend composition；
(5) blend composition being made in step (4) and adds twin-screw extrude extrusion, extruded material passes through water cooling pelletizing,
To get the high mechanics modified SEBS material after pellet drying.
In step (1) dosage of acetone be maleic anhydride, 4 times of methyl methacrylate and initiator total weight.
The spout of double screw extruder is set as 190 degrees Celsius to head temperature successively, and 210 degrees Celsius, 210 is Celsius
Degree, 210 degrees Celsius, 205 degrees Celsius.
Pellet drying is dried 6 hours for pellet to be put into 90 degrees Celsius of drying machine in step (5).
Embodiment 3
A kind of high mechanics modified SEBS material, includes the raw material of following parts by weight meter：
93 parts of SEBS materials, 38 parts of polybutylene terephthalate (PBT), 63 parts of filling oil, 1.4 parts of antioxidant, maleic anhydride
0.4 part of 1.1 parts, 0.4 part of methyl methacrylate and initiator.
Filling oil is paraffin oil.
Antioxidant is three (2,4- di-tert-butyl-phenyls) phosphites.
Initiator is tert-butyl hydroperoxide.
The preparation method of high mechanics modified SEBS material in the present embodiment specifically includes the following steps：
(1) maleic anhydride, methyl methacrylate and initiator are uniformly mixed, be added acetone in dissolve, with 540 turns/
Minute stirring 22 minutes；
(2) product of step (1) and SEBS materials are added in high-speed mixer, are warming up to 68 degrees Celsius, mixed at high speed
18 minutes, extruding pelletization is added twin-screw extrude, pellet is added in baking oven and dries to constant weight after deionized water is cleaned,
Obtain SEBS graft materials；
(3) SEBS graft materials and filling oil are added in high-speed mixer, with 640 revs/min of speed, in 50-60
Under degree Celsius, after mixing 27 minutes, still aging 24 hours at room temperature；
(4) product, polybutylene terephthalate (PBT) and antioxidant of step (3) are added in high-speed mixer, with
1300 revs/min of speed mixes 36 minutes under 72 degrees Celsius, obtains blend composition；
(5) blend composition being made in step (4) and adds twin-screw extrude extrusion, extruded material passes through water cooling pelletizing,
To get the high mechanics modified SEBS material after pellet drying.
In step (1) dosage of acetone be maleic anhydride, 3.6 times of methyl methacrylate and initiator total weight.
The spout of double screw extruder is set as 190 degrees Celsius to head temperature successively, and 210 degrees Celsius, 210 is Celsius
Degree, 210 degrees Celsius, 205 degrees Celsius.
Pellet drying is dried 10 hours for pellet to be put into 90 degrees Celsius of drying machine in step (5).
Embodiment 4
A kind of high mechanics modified SEBS material, includes the raw material of following parts by weight meter：
97 parts of SEBS materials, 42 parts of polybutylene terephthalate (PBT), 67 parts of filling oil, 1.6 parts of antioxidant, maleic anhydride
0.6 part of 1.3 parts, 0.6 part of methyl methacrylate and initiator.
Filling oil is naphthenic oil.
Antioxidant is β-((3,5- di-tert-butyl-hydroxy phenyls) propionic acid) pentaerythritol ester.
Initiator is peroxidized t-butyl perbenzoate.
The preparation method of high mechanics modified SEBS material in the present embodiment specifically includes the following steps：
(1) maleic anhydride, methyl methacrylate and initiator are uniformly mixed, be added acetone in dissolve, with 530 turns/
Minute stirring 24 minutes；
(2) product of step (1) and SEBS materials are added in high-speed mixer, are warming up to 66 degrees Celsius, mixed at high speed
18 minutes, extruding pelletization is added twin-screw extrude, pellet is added in baking oven and dries to constant weight after deionized water is cleaned,
Obtain SEBS graft materials；
(3) SEBS graft materials and filling oil are added in high-speed mixer, it is Celsius 58 with 650 revs/min of speed
Under degree, after mixing 27 minutes, still aging 24 hours at room temperature；
(4) product, polybutylene terephthalate (PBT) and antioxidant of step (3) are added in high-speed mixer, with
1400 revs/min of speed mixes 35 minutes under 76 degrees Celsius, obtains blend composition；
(5) blend composition being made in step (4) and adds twin-screw extrude extrusion, extruded material passes through water cooling pelletizing,
To get the high mechanics modified SEBS material after pellet drying.
In step (1) dosage of acetone be maleic anhydride, 3.8 times of methyl methacrylate and initiator total weight.
The spout of double screw extruder is set as 190 degrees Celsius to head temperature successively, and 210 degrees Celsius, 210 is Celsius
Degree, 210 degrees Celsius, 205 degrees Celsius.
Pellet drying is dried 8 hours for pellet to be put into 90 degrees Celsius of drying machine in step (5).
Embodiment 5
A kind of high mechanics modified SEBS material, includes the raw material of following parts by weight meter：
96 parts of SEBS materials, 40 parts of polybutylene terephthalate (PBT), 65 parts of filling oil, 1.5 parts of antioxidant, maleic anhydride
0.5 part of 1.2 parts, 0.5 part of methyl methacrylate and initiator.
Filling oil is paraffin oil.
Antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecanol ester.
Initiator is cumyl peroxide.
The preparation method of high mechanics modified SEBS material in the present embodiment specifically includes the following steps：
(1) maleic anhydride, methyl methacrylate and initiator are uniformly mixed, be added acetone in dissolve, with 580 turns/
Minute stirring 24 minutes；
(2) product of step (1) and SEBS materials are added in high-speed mixer, are warming up to 68 degrees Celsius, mixed at high speed
17 minutes, extruding pelletization is added twin-screw extrude, pellet is added in baking oven and dries to constant weight after deionized water is cleaned,
Obtain SEBS graft materials；
(3) SEBS graft materials and filling oil are added in high-speed mixer, it is Celsius 58 with 680 revs/min of speed
Under degree, after mixing 25 minutes, still aging 24 hours at room temperature；
(4) product, polybutylene terephthalate (PBT) and antioxidant of step (3) are added in high-speed mixer, with
1350 revs/min of speed mixes 38 minutes under 78 degrees Celsius, obtains blend composition；
(5) blend composition being made in step (4) and adds twin-screw extrude extrusion, extruded material passes through water cooling pelletizing,
To get the high mechanics modified SEBS material after pellet drying.
In step (1) dosage of acetone be maleic anhydride, 3.8 times of methyl methacrylate and initiator total weight.
The spout of double screw extruder is set as 190 degrees Celsius to head temperature successively, and 210 degrees Celsius, 210 is Celsius
Degree, 210 degrees Celsius, 205 degrees Celsius.
Pellet drying is dried 12 hours for pellet to be put into 90 degrees Celsius of drying machine in step (5).
Comparative example 1：Polybutylene terephthalate (PBT) is removed, remaining raw material is identical as the uniform embodiment 1 of preparation method；
By modified SEBS material progressive made from high mechanics modified SEBS material made from embodiment 1-5 and comparative example 1
It can test, as a result such as the following table 1：
In conclusion the present invention has the following advantages：
(1) modified SEBS material of the present invention is acted on by the associated between component, has good mobility, easy to process,
The tensile strength and intensity of material significantly improve simultaneously, have excellent mechanical property, enhance the application field of SEBS materials,
Preparation process less energy consumption, high income.
(2) maleic anhydride is grafted under the action of initiator on SEBS materials, while by adding monomer metering system
The addition of sour methyl esters improves the grafting rate for buying acid anhydrides, and the toughness of SEBS materials is enhanced by maleic anhydride grafting, is increased simultaneously
The strong polarity of material, and the compatibility with inorganic substances.
(3) since SEBS materials have a poor fluidity, addition filling oil can with the mobility of reinforcing material and plus
Work performance, while the addition of paraffin oil and naphthenic oil can be with the toughness and stretch-resistance of reinforcing material.
(4) polybutylene terephthalate has intensity height, fatigue durability, wear-resisting, oil resistant, resistant to chemical etching, electrical isolation
Property good and hot property it is excellent, processing performance is excellent, is molded fast advantage, by PBT and filling oil blending and modifying SEBS materials, greatly
Big stretch-resistance, resistance to fracture, processability and the hardness for improving material, has widened the application range of SEBS materials.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of high mechanics modified SEBS material, which is characterized in that include the raw material of following parts by weight meter：SEBS materials 90-100
Part, 35-45 parts of polybutylene terephthalate (PBT), 60-70 parts of oil of filling, 1.2-1.8 parts of antioxidant, maleic anhydride 0.8-1.5
0.2-0.8 parts of part, 0.2-0.8 parts of methyl methacrylate and initiator.
2. high mechanics modified SEBS material according to claim 1, which is characterized in that include the original of following parts by weight meter
Material：93-97 parts of SEBS materials, 38-42 parts of polybutylene terephthalate (PBT), filling 63-67 parts of oil, 1.4-1.6 parts of antioxidant,
0.4-0.6 parts of 1.1-1.3 parts of maleic anhydride, 0.4-0.6 parts of methyl methacrylate and initiator.
3. high mechanics modified SEBS material according to claim 1, which is characterized in that include the original of following parts by weight meter
Material：96 parts of SEBS materials, 40 parts of polybutylene terephthalate (PBT), 65 parts of filling oil, 1.5 parts of antioxidant, maleic anhydride 1.2
0.5 part of part, 0.5 part of methyl methacrylate and initiator.
4. high mechanics modified SEBS material according to claim 1, which is characterized in that the filling oil is paraffin oil or ring
One kind in alkane oil.
5. high mechanics modified SEBS material according to claim 1, which is characterized in that the antioxidant is β-((3,5- bis-
Tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecanol esters and
One or more of three (2,4- di-tert-butyl-phenyls) phosphites combine.
6. high mechanics modified SEBS material according to claim 1, which is characterized in that the initiator is benzoyl peroxide first
One kind in acyl, isopropyl benzene hydroperoxide, tert-butyl hydroperoxide, peroxidized t-butyl perbenzoate and cumyl peroxide or
Several combinations.
7. a kind of preparation method of high mechanics modified SEBS material as described in any one in claim 1-5, which is characterized in that packet
Include following steps：
(1) maleic anhydride, methyl methacrylate and initiator are uniformly mixed, be added acetone in dissolve, with 500-600 turn/
Minute stirring 20-25 minutes；
(2) product of step (1) and SEBS materials are added in high-speed mixer, are warming up to 60-70 degrees Celsius, mixed at high speed
15-20 minutes, extruding pelletization is added twin-screw extrude, pellet is added in baking oven and dries to perseverance after deionized water is cleaned
Weight, obtains SEBS graft materials；
(3) SEBS graft materials and filling oil are added in high-speed mixer, with 600-700 revs/min of speed, in 50-60
Under degree Celsius, after mixing 20-30 minutes, still aging 24 hours at room temperature；
(4) product, polybutylene terephthalate (PBT) and antioxidant of step (3) are added in high-speed mixer, with 1200-
1500 revs/min of speed mixes 30-40 minutes under 70-80 degrees Celsius, obtains blend composition；
(5) blend composition is made in step (4) and adds twin-screw extrude extrusion, extruded material passes through water cooling pelletizing, pellet
To get the high mechanics modified SEBS material after drying.
8. the preparation method of high mechanics modified SEBS material according to claim 7, which is characterized in that the step (1)
The dosage of middle acetone be maleic anhydride, 3-4 times of methyl methacrylate and initiator total weight.
9. the preparation method of high mechanics modified SEBS material according to claim 7, which is characterized in that the twin-screw squeezes
The spout for going out machine is set as 190 degrees Celsius to head temperature successively, and 210 degrees Celsius, 210 degrees Celsius, 210 degrees Celsius, 205 take the photograph
Family name's degree.
10. the preparation method of high mechanics modified SEBS material according to claim 7, which is characterized in that the step (5)
Middle pellet drying is dried 6 hours or more for pellet to be put into 90 degrees Celsius of drying machine.
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| US20030100683A1 (en) * | 2001-03-26 | 2003-05-29 | Jsr Corporation | Hydrogenated modified polymer, process for producing the same and composition containing the same |
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