CN102993650B - Polybutylene terephthalate-based thermoplastic elastomer composition, and preparation method and application thereof - Google Patents
Polybutylene terephthalate-based thermoplastic elastomer composition, and preparation method and application thereof Download PDFInfo
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- CN102993650B CN102993650B CN201210367420.4A CN201210367420A CN102993650B CN 102993650 B CN102993650 B CN 102993650B CN 201210367420 A CN201210367420 A CN 201210367420A CN 102993650 B CN102993650 B CN 102993650B
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- 229920001707 polybutylene terephthalate Polymers 0.000 title claims abstract description 43
- -1 Polybutylene terephthalate Polymers 0.000 title claims abstract description 41
- 229920002725 thermoplastic elastomer Polymers 0.000 title claims abstract description 33
- 239000000203 mixture Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229920000098 polyolefin Polymers 0.000 claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 11
- 230000008018 melting Effects 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 19
- 239000003381 stabilizer Substances 0.000 claims description 16
- 150000003440 styrenes Chemical class 0.000 claims description 12
- 229920001577 copolymer Polymers 0.000 claims description 11
- 239000006057 Non-nutritive feed additive Substances 0.000 claims description 10
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 10
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims description 9
- 229920001684 low density polyethylene Polymers 0.000 claims description 8
- 239000004702 low-density polyethylene Substances 0.000 claims description 8
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 claims description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 6
- QCDFBFJGMNKBDO-UHFFFAOYSA-N Clioquinol Chemical compound C1=CN=C2C(O)=C(I)C=C(Cl)C2=C1 QCDFBFJGMNKBDO-UHFFFAOYSA-N 0.000 claims description 5
- YZPOQCQXOSEMAZ-UHFFFAOYSA-N pbt2 Chemical compound ClC1=CC(Cl)=C(O)C2=NC(CN(C)C)=CC=C21 YZPOQCQXOSEMAZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000005453 pelletization Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 4
- 229920001400 block copolymer Polymers 0.000 claims description 3
- FGHOOJSIEHYJFQ-UHFFFAOYSA-N (2,4-ditert-butylphenyl) dihydrogen phosphite Chemical compound CC(C)(C)C1=CC=C(OP(O)O)C(C(C)(C)C)=C1 FGHOOJSIEHYJFQ-UHFFFAOYSA-N 0.000 claims description 2
- 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 claims 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000012760 heat stabilizer Substances 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 9
- 238000013001 point bending Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- MVTXRSISXAFRIA-MHKVFAPRSA-N methyl (5z,8z,10s)-10-hydroxy-10-[2-[(z)-oct-2-enyl]cyclopropyl]deca-5,8-dienoate Chemical compound CCCCC\C=C/CC1CC1[C@@H](O)\C=C/C\C=C/CCCC(=O)OC MVTXRSISXAFRIA-MHKVFAPRSA-N 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- OWPUOLBODXJOKH-UHFFFAOYSA-N 2,3-dihydroxypropyl prop-2-enoate Chemical class OCC(O)COC(=O)C=C OWPUOLBODXJOKH-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- JAWMENYCRQKKJY-UHFFFAOYSA-N [3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-ylmethyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-en-8-yl]-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]methanone Chemical compound N1N=NC=2CN(CCC=21)CC1=NOC2(C1)CCN(CC2)C(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F JAWMENYCRQKKJY-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- VTJUKNSKBAOEHE-UHFFFAOYSA-N calixarene Chemical compound COC(=O)COC1=C(CC=2C(=C(CC=3C(=C(C4)C=C(C=3)C(C)(C)C)OCC(=O)OC)C=C(C=2)C(C)(C)C)OCC(=O)OC)C=C(C(C)(C)C)C=C1CC1=C(OCC(=O)OC)C4=CC(C(C)(C)C)=C1 VTJUKNSKBAOEHE-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
Abstract
The invention discloses a polybutylene terephthalate-based thermoplastic elastomer composition, and a preparation method and an application thereof. The polybutylene terephthalate-based thermoplastic elastomer composition comprises polybutylene terephthalate, styrene thermoplastic elastomer, an olefin polymer, a compatibilizer, a heat stabilizer and other processing agents. The preparation method comprises the following steps of: adding polybutylene terephthalate, styrene thermoplastic elastomer, olefin polymer, the compatibilizer, the heat stabilizer and other processing agents to an extruder in parts by weight; melting, mixing and dispersing the mixture in an extruder, wherein the temperature at each section of the extruder is 230 DEG C to 265 DEG C; and extruding and granulating the mixture to obtain the product. The product prepared by the preparation method disclosed by the invention is mainly applied to the automobile airbag cover plate.
Description
Technical field
This area relates to polymeric composition field, particularly a kind of polybutylene terephthalate base thermoplastic elastomer composition, preparation method and application thereof.
Background technology
Automobile safe airbag lid plate integrates ornamental and functional automotive upholstery, and when there is traffic accident, air bag emergency opening also penetrates airbag cover.Therefore, airbag cover not only needs to ensure enough toughness when extreme low temperature, does not allow air bag to penetrate to have fragment to fly out when tearing cover plate to hurt sb.'s feelings; Also need to ensure certain rigidity when thermal extremes simultaneously, do not allow to be out of shape because high temperature rigid is not enough or to cause because high temperature tear strength is too low to tear excessively, cause a serious accident.
Polybutylene terephthalate, (polybutylene terephthalate, PBT) because the performance of its excellence is widely used in automotive field, but being easily torn excessively and distortion flies out at high temperature and low temperature due to it, being subject to certain obstruction when being applied to automotive field.Therefore, study a kind of high temperature and the low temperature blasting performance both with excellence, can meet that automobile safe airbag lid plate hight warm spot quick-fried (85 DEG C) is indeformable to fly out and tear excessively, and low warm spot quick-fried (-35 DEG C) does not produce the polybutylene terephthalate sill of the requirement of fragment, it is the problem that those skilled in the art need solve.
Summary of the invention
In sum, for solving the problems of the technologies described above, the present invention is necessary to provide a kind of polybutylene terephthalate base thermoplastic elastomer composition.
Further, there is a need to the preparation method that a kind of above-mentioned polybutylene terephthalate base thermoplastic elastomer composition is provided.
Further, there is a need to the application that a kind of above-mentioned polybutylene terephthalate base thermoplastic elastomer composition is provided.
A kind of polybutylene terephthalate base thermoplastic elastomer composition, its main component is for comprise by weight:
Polybutylene terephthalate 21-48 part;
Styrene analog thermoplastic elastomer 10-40 part;
Olefin polymer 10-50 part;
Compatilizer 2-15 part;
Thermo-stabilizer 0-2 part;
Other processing aid 0-2 part.
A kind of polybutylene terephthalate base thermoplastic elastomer composition, is made up of by weight following one-tenth:
Polybutylene terephthalate 21-48 part;
Styrene analog thermoplastic elastomer 10-40 part;
Olefin polymer 10-50 part;
Compatilizer 2-15 part;
Thermo-stabilizer 0-2 part;
Other processing aid 0-2 part.
Wherein, the formula meter of above-mentioned polybutylene terephthalate base thermoplastic elastomer composition may further be:
Polybutylene terephthalate is 30-40 part or 32-38 part; Styrene analog thermoplastic elastomer is 20-30 part or 22-28 part; Olefin polymer 20-40 part or 25-35 part; Compatilizer 4-13 part or 6-10 part; Thermo-stabilizer 0.2-1.8 part or 1-1.5 part; Other processing aid 0.2-1.6 part or 0.8-1.2 part.
Wherein, the molecular weight of described polybutylene terephthalate is 19000 ~ 40000, and intrinsic viscosity range is 0.8-1.23dl/g.
Wherein, described styrene analog thermoplastic elastomer is one or several the mixture in styrene-butadiene-styrene ternary block copolymer, hydrogenated styrene-butadiene-styrene ternary block polymer, styrene isoprene-polystyrene ternary segmented copolymer, hydrogenated styrene isoprene-polystyrene ternary segmented copolymer.
Wherein, described olefin polymer is one in Low Density Polyethylene, linear low density polyethylene, ethylene-butene copolymer, ethylene-propylene copolymer, POE or its mixture.
Wherein, described thermo-stabilizer is any one or a few the mixture in phenols, amine, phosphorous acid esters, the mixture class of acryl functional group and monothioester and calixarene, and further, described thermo-stabilizer comprises half Hinered phenols.The effect of thermo-stabilizer is the degraded suppressing to produce in the course of processing.
Wherein, described compatilizer is selected from the binary of ethene/acrylic ester class/glycerol acrylate class monomer or terpolymer or its mixture.The effect of compatilizer makes PBT and olefin polymer and styrene analog thermoplastic elastomer well compatible, and it is toughness reinforcing that olefin polymer and styrene analog thermoplastic elastomer play a part synergistic.
Wherein, described processing aid is selected from one in metal soap, stearic acid complex ester class, amides or its mixture.The effect of processing aid is the dispersion in order to promote each component in mixture.
A kind of preparation method of polybutylene terephthalate base thermoplastic elastomer composition as above:
Polybutylene terephthalate, styrene analog thermoplastic elastomer, olefin polymer, compatilizer, thermo-stabilizer, other processing aid are joined melting mixing dispersion in forcing machine by weight, forcing machine each section of temperature is arranged on 230-265 DEG C, extruding pelletization, finally obtains product.
The application of polybutylene terephthalate base thermoplastic elastomer composition as above in automotive field, the application particularly in automobile safe airbag lid plate.
Compare prior art, the invention provides polybutylene terephthalate base thermoplastic elastomer composition and both there is excellent high temperature and low temperature blasting performance, can meet that automobile safe airbag lid plate hight warm spot quick-fried (85 DEG C) is indeformable to fly out and tear excessively, and low warm spot quick-fried (-35 DEG C) does not produce the requirement of fragment.
After testing, the invention provides 35 DEG C of notched Izod impact strength>=60KJ/m of polybutylene terephthalate base thermoplastic elastomer composition
2, 85 DEG C of tear strength>=120KN/m, good all than comparative example products obtained therefrom of the mechanical property of its low temperature and high temperature.
Embodiment
Be described further below in conjunction with the application of some embodiments to polybutylene terephthalate base thermoplastic elastomer composition of the present invention, preparation method and described matrix material.Specific embodiment is for further describing the present invention, non-limiting protection scope of the present invention.
Material used in the embodiment of the present invention has:
PBT-1, polybutylene terephthalate, Dong Li company, weight-average molecular weight 40000, limiting viscosity is 1.23dl/g, trade mark 1200M;
PBT-2, polybutylene terephthalate, Changchun, Taiwan company, weight-average molecular weight 19000, limiting viscosity is 0.8dl/g, trade mark 1100L;
PBT-3, polybutylene terephthalate, Yizheng Fiber Optical plant company, weight-average molecular weight 30000, limiting viscosity is 1.0dl/g, the trade mark 2100;
SBS, styrene-butadiene-styrene ternary block copolymer, Baling Petrochemical Co., Ltd., SINOPEC, trade mark YH-792;
SEBS, hydrogenated styrene-butadiene-styrene ternary block polymer, Baling Petrochemical Co., Ltd., SINOPEC, trade mark YH-561;
LDPE, Low Density Polyethylene, CSPC, melting index 1.9g/10min(190 DEG C, 2.16KG), trade mark 2420H.
Ethylene-butene copolymer, Mitsui, melting index 1.2g/10min(190 DEG C, 2.16KG), trade mark DF610;
PTW, DuPont, trade mark ElvaloyPTW;
EBS, cell KCC of Korea S, trade mark 500P;
1010, thermo-stabilizer, chemical name 2,6--di-tert-butyl-4-methy phenol;
168, thermo-stabilizer, chemical name tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester;
The detection method used in the embodiment of the present invention has:
(1) three-point bending modulus, tests by standard ISO 178, is respectively to test under the condition of 23 DEG C and 85 DEG C at probe temperature;
(2) tensile break strength, by standard ISO 527-2/5A/500 test, is test under the condition of-35 DEG C, 23 DEG C and 85 DEG C at probe temperature respectively;
(3) elongation at break, by standard ISO 527-2/5A/500 test, is test under the condition of-35 DEG C, 23 DEG C and 85 DEG C at probe temperature respectively;
(4) tear strength, tests by standard ISO 34, is respectively to test under the condition of-35 DEG C, 23 DEG C and 85 DEG C at probe temperature;
(5) shore hardness, tests by standard ISO 868;
(6) density, tests by standard ISO 1183;
(7) notched Izod impact strength, tests by standard ISO 180, A type breach, test environment temperature-35 DEG C.
Embodiment 1-8
Polybutylene terephthalate PBT, styrene analog thermoplastic elastomer SBS and/or SEBS, olefin polymer, compatilizer, thermo-stabilizer, other processing aid to be joined in forcing machine melting mixing dispersion by the weight part shown in table 1, forcing machine each section of temperature is arranged on 230-265 DEG C, extruding pelletization, finally obtains product.The properties of test products obtained therefrom, lists in table 1.
Comparative example 1-8
Polybutylene terephthalate PBT, styrene analog thermoplastic elastomer SBS and/or SEBS, olefin polymer, compatilizer, thermo-stabilizer, other processing aid to be joined in forcing machine melting mixing dispersion by the weight part shown in table 2, forcing machine each section of temperature is arranged on 230-265 DEG C, extruding pelletization, finally obtains product.The properties of test products obtained therefrom, lists in table 2.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | |
| PBT-1 | 21 | 32 | 38 | 20 | ||
| PBT-2 | 48 | 18 |
| PBT-3 | 30 | |||||
| SBS | 10 | 20 | 20 | 28 | 30 | |
| SEBS | 20 | 22 | ||||
| LDPE | 10 | 10 | 35 | 40 | ||
| Ethylene-butene copolymer | 50 | 20 | 15 | |||
| PTW | 2 | 4 | 6 | 13 | 10 | 15 |
| EBS | 0.2 | 0.8 | 1.2 | 1.6 | 2 | |
| 1010 | 0.2 | 1 | 1 | 1 | 2 | |
| 168 | 0.5 | 0.8 | ||||
| Shore hardness (Shore D) | 43 | 42 | 46 | 45 | 45 | 41 |
| Density (g/cm 3） | 0.96 | 0.95 | 0.96 | 0.97 | 0.96 | 0.96 |
| 23 DEG C of three-point bending modulus (MPa) | 1020 | 1015 | 980 | 955 | 920 | 930 |
| 23 DEG C of tensile break strengths (MPa) | 20 | 22 | 20 | 18 | 18 | 17 |
| 23 DEG C of elongation at breaks (%) | 200 | 240 | 230 | 235 | 260 | 240 |
| 23 DEG C of tear strengths (KN/m) | 215 | 245 | 255 | 275 | 260 | 250 |
| -35 DEG C of tensile break strengths (MPa) | 40 | 42 | 41 | 38 | 42 | 43 |
| -35 DEG C of elongation at breaks (%) | 90 | 110 | 130 | 120 | 115 | 140 |
| -35 DEG C of notched Izod impact strength (KJ/m 2） | 70 | 73 | 74 | 77 | 82 | 74 |
| -35 DEG C of tear strengths (KN/m) | 310 | 330 | 315 | 350 | 335 | 330 |
| 85 DEG C of three-point bending modulus (MPa) | 330 | 335 | 345 | 350 | 340 | 335 |
| 85 DEG C of tensile break strengths (MPa) | 10.8 | 11.4 | 11.2 | 12.3 | 11.6 | 10.9 |
| 85 DEG C of elongation at breaks (%) | 550 | 700 | 800 | 650 | 900 | 700 |
| 85 DEG C of tear strengths (KN/m) | 135 | 140 | 175 | 120 | 165 | 130 |
Table 2
| Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | Comparative example 6 | |
| PBT-1 | 21 | 32 | 38 | 20 | ||
| PBT-2 | 48 | 18 | ||||
| PBT-3 | 30 | |||||
| SBS | 20 | 28 | 30 | |||
| SEBS | 22 |
| LDPE | 10 | |||||
| Ethylene-butene copolymer | 50 | |||||
| PTW | 2 | 4 | 6 | 13 | 10 | 15 |
| EBS | 0.2 | 0.8 | 1.2 | 1.6 | 2 | |
| 1010 | 0.2 | 1 | 1 | 1 | 2 | |
| 168 | 0.5 | 0.8 | ||||
| Density (g/cm 3) | 0.95 | 0.96 | 0.96 | 0.97 | 0.96 | 0.96 |
| 23 DEG C of three-point bending modulus (MPa) | 1050 | 1000 | 960 | 950 | 900 | 900 |
| 23 DEG C of elongation at breaks (%) | 105 | 80 | 70 | 90 | 110 | 120 |
| 23 DEG C of tear strengths (KN/m) | 115 | 128 | 109 | 131 | 122 | 118 |
| -35 DEG C of elongation at breaks (%) | 25 | 20 | 30 | 29 | 35 | 33 |
| -35 DEG C of notched Izod impact strength (KJ/m 2) | 24 | 37 | 31 | 29 | 33 | 34 |
| -35 DEG C of tear strengths (KN/m) | 198 | 202 | 210 | 185 | 194 | 190 |
| 85 DEG C of three-point bending modulus (MPa) | 330 | 330 | 365 | 360 | 370 | 370 |
| 85 DEG C of elongation at breaks (%) | 150 | 200 | 190 | 220 | 240 | 200 |
| 85 DEG C of tear strengths (KN/m) | 65 | 73 | 81 | 59 | 62 | 68 |
Can be found by the test result of table 1 and table 2, in embodiment, the invention provides-35 DEG C of notched Izod impact strength>=60KJ/m of polybutylene terephthalate base thermoplastic elastomer composition
2, 85 DEG C of tear strength>=120KN/m, good all than comparative example products obtained therefrom of the mechanical property of its low temperature and high temperature.
The above instrument is embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a polybutylene terephthalate base thermoplastic elastomer composition, is made up of by weight following composition:
Wherein
PBT-2, polybutylene terephthalate, Changchun, Taiwan company, weight-average molecular weight 19000, limiting viscosity is 0.8dl/g, trade mark 1100L;
SBS, styrene-butadiene-styrene ternary block copolymer, Baling Petrochemical Co., Ltd., SINOPEC, trade mark YH-792;
SEBS, hydrogenated styrene-butadiene-styrene ternary block polymer, Baling Petrochemical Co., Ltd., SINOPEC, trade mark YH-561;
Ethylene-butene copolymer, Mitsui, melting index 1.2g/10min, test condition 190 DEG C, 2.16KG, trade mark DF610;
PTW, DuPont, trade mark ElvaloyPTW;
EBS, cell KCC of Korea S, trade mark 500P;
1010, thermo-stabilizer, chemical name 2,6 di tert butyl 4 methyl phenol;
Preparation method is: polybutylene terephthalate PBT-2, styrene analog thermoplastic elastomer SBS and SEBS, olefin polymer ethylene-butene copolymer, compatilizer PTW, thermo-stabilizer, other processing aid are joined melting mixing dispersion in forcing machine, forcing machine each section of temperature is arranged on 230-265 DEG C, extruding pelletization, finally obtains product.
2. a polybutylene terephthalate base thermoplastic elastomer composition, is made up of by weight following composition:
Wherein
PBT-1, polybutylene terephthalate, Dong Li company, weight-average molecular weight 40000, limiting viscosity is 1.23dl/g, trade mark 1200M;
SEBS, hydrogenated styrene-butadiene-styrene ternary block polymer, Baling Petrochemical Co., Ltd., SINOPEC, trade mark YH-561;
LDPE, Low Density Polyethylene, CSPC, melting index 1.9g/10min, test condition 190 DEG C, 2.16KG, trade mark 2420H;
Ethylene-butene copolymer, Mitsui, melting index 1.2g/10min, test condition 190 DEG C, 2.16KG, trade mark DF610;
PTW, DuPont, trade mark ElvaloyPTW;
EBS, cell KCC of Korea S, trade mark 500P;
1010, thermo-stabilizer, chemical name 2,6 di tert butyl 4 methyl phenol;
168, thermo-stabilizer, chemical name tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester;
Preparation method is: polybutylene terephthalate PBT-1, styrene analog thermoplastic elastomer SEBS, olefin polymer LDPE and ethylene-butene copolymer, compatilizer PTW, thermo-stabilizer, other processing aid are joined melting mixing dispersion in forcing machine, forcing machine each section of temperature is arranged on 230-265 DEG C, extruding pelletization, finally obtains product.
3. the application of polybutylene terephthalate base thermoplastic elastomer composition in automotive field described in an any one of claim 1-2.
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| CN104151784A (en) * | 2013-05-14 | 2014-11-19 | 常熟市沈氏塑业有限公司 | Nano carbon fiber reinforced polybutylene terephthalate alloy composite material |
| CN104151783A (en) * | 2013-05-14 | 2014-11-19 | 常熟市沈氏塑业有限公司 | Preparation method of carbon nanofiber reinforced polybutylene terephthalate alloy composite material |
| CN105440594A (en) * | 2015-10-23 | 2016-03-30 | 华晨汽车集团控股有限公司 | Polymer synthetic material for vehicle sunroof flow board |
| CN105754306A (en) * | 2016-03-24 | 2016-07-13 | 叶青 | PBT (polybutylene terephthalate) plastic alloy |
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