CN1580115A - Scratch-resistance French white filled polypropylene composition and its preparing method - Google Patents
Scratch-resistance French white filled polypropylene composition and its preparing method Download PDFInfo
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- CN1580115A CN1580115A CN 03142024 CN03142024A CN1580115A CN 1580115 A CN1580115 A CN 1580115A CN 03142024 CN03142024 CN 03142024 CN 03142024 A CN03142024 A CN 03142024A CN 1580115 A CN1580115 A CN 1580115A
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- polypropylene
- mar
- filled polypropylene
- talc powder
- powder filled
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- -1 polypropylene Polymers 0.000 title claims abstract description 71
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 69
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims description 16
- 239000000203 mixture Substances 0.000 title claims description 6
- 239000000463 material Substances 0.000 claims abstract description 49
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 14
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 14
- 239000003381 stabilizer Substances 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- 229920001971 elastomer Polymers 0.000 claims description 21
- 239000005060 rubber Substances 0.000 claims description 21
- 229920001577 copolymer Polymers 0.000 claims description 13
- 239000004593 Epoxy Substances 0.000 claims description 10
- 239000006057 Non-nutritive feed additive Substances 0.000 claims description 10
- 238000002161 passivation Methods 0.000 claims description 10
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 8
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 8
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 8
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 239000007822 coupling agent Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 238000012661 block copolymerization Methods 0.000 claims description 6
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical group [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 5
- 239000008116 calcium stearate Substances 0.000 claims description 5
- 235000013539 calcium stearate Nutrition 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 229940058344 antitrematodals organophosphorous compound Drugs 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- KWUZCAVKPCRJPO-UHFFFAOYSA-N n-ethyl-4-(6-methyl-1,3-benzothiazol-2-yl)aniline Chemical compound C1=CC(NCC)=CC=C1C1=NC2=CC=C(C)C=C2S1 KWUZCAVKPCRJPO-UHFFFAOYSA-N 0.000 claims description 4
- 150000002903 organophosphorus compounds Chemical class 0.000 claims description 4
- 238000005453 pelletization Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 3
- AFPHTEQTJZKQAQ-UHFFFAOYSA-N 3-nitrobenzoic acid Chemical compound OC(=O)C1=CC=CC([N+]([O-])=O)=C1 AFPHTEQTJZKQAQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- 150000004645 aluminates Chemical class 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000012764 mineral filler Substances 0.000 claims description 3
- ORECYURYFJYPKY-UHFFFAOYSA-N n,n'-bis(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine;2,4,6-trichloro-1,3,5-triazine;2,4,4-trimethylpentan-2-amine Chemical compound CC(C)(C)CC(C)(C)N.ClC1=NC(Cl)=NC(Cl)=N1.C1C(C)(C)NC(C)(C)CC1NCCCCCCNC1CC(C)(C)NC(C)(C)C1 ORECYURYFJYPKY-UHFFFAOYSA-N 0.000 claims description 3
- 125000002524 organometallic group Chemical group 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 3
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical group [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 3
- 235000010234 sodium benzoate Nutrition 0.000 claims description 3
- 239000004299 sodium benzoate Substances 0.000 claims description 3
- 239000001509 sodium citrate Substances 0.000 claims description 3
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims description 3
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 claims description 3
- 229940038773 trisodium citrate Drugs 0.000 claims description 3
- 241000985973 Castilla ulei Species 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 7
- 238000011049 filling Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000004816 latex Substances 0.000 abstract 3
- 229920000126 latex Polymers 0.000 abstract 3
- 238000001816 cooling Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 10
- 239000006096 absorbing agent Substances 0.000 description 7
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000003019 stabilising effect Effects 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 235000019260 propionic acid Nutrition 0.000 description 3
- 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 3
- 239000000523 sample Substances 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 235000012222 talc Nutrition 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Natural products CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 2
- 239000012965 benzophenone Substances 0.000 description 2
- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000004611 light stabiliser Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 125000005375 organosiloxane group Chemical group 0.000 description 2
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 150000007970 thio esters Chemical class 0.000 description 2
- MEIRRNXMZYDVDW-MQQKCMAXSA-N (2E,4E)-2,4-hexadien-1-ol Chemical compound C\C=C\C=C\CO MEIRRNXMZYDVDW-MQQKCMAXSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- HGZNRFJUXYMRGZ-UHFFFAOYSA-N 4-nonyl-2-(1-phenylethyl)phenol Chemical compound CCCCCCCCCC1=CC=C(O)C(C(C)C=2C=CC=CC=2)=C1 HGZNRFJUXYMRGZ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 241000909859 Attacus atlas Species 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004610 Internal Lubricant Substances 0.000 description 1
- 229920007019 PC/ABS Polymers 0.000 description 1
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 1
- 241000270666 Testudines Species 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 150000002193 fatty amides Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229920002521 macromolecule Polymers 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
- 230000007246 mechanism Effects 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
This invention refers to a kind of component of nick resistant talcum-powder-filling polypropylene, is characterized with strengthened toughness through latex and is composed of the following materials in amounts of weight: between 50 and 80 of polypropylene, between 5 and 35 of filler, between 5 and 25 of latex, between 0.5 and 5 of high molecular silicone elastomer, between 0.05 and 0.5 of nucleater, between 0.1 and 1.0 of stabilizer, between 0.2 and 1.5 of talcum powder surface passiation agent, between 0.05 and 1.0 of processing agent and between 0.3 and 2.0 of toner. The manufacturing method is to weigh the materials in amounts of weight, to mix polypropylene, filler, latex, high molecular silicone elastomer, nucleater, stabilizer, talcum powder surface passiation agent, processing agent and toner in homo mixer, then put them into double-screwed extruder for melting and extruding. After cooling, drying and pelleting, we can get the turnoff. The invention improves the nick resistance of polypropylene, ultraviolet radiation endurance and thermal endurance and the toughness and rigidity of the material reach good balance. It can meet the requirements of the material of automobile limbs. It can demold at a relatively high temperature, improves the moulding efficiency greatly and reduces the processing cost.
Description
Technical field
The present invention relates to a kind of mar-proof talc powder filled polypropylene and form and the preparation method, can be used for automobile and field of household appliances,, belong to the polypropylene technology field as the dashboard of car, door-plate, auxiliary fasia console, glove box etc.
Background technology
Dashboard, door-plate etc. are parts important in the car interior trim, and its shape and condition of surface are car keys whether attractive in appearance.Past mainly adopts the method for additional fabric on instrument board framework to increase aesthetic feeling, because complete processing relative complex, price is higher, the mode of not covered skin in recent years gradually replaces, but the surface to dashboard has proposed higher requirement, wherein important is exactly mar-proof performance, and therefore having formulated some standards examines associated materials in motor corporation.Improving the main terms of settlement of mar-proof performance is the surface hardness that improves part, as adopt the higher relatively material of some hardness such as ABS, PC/ABS alloy, MODIFIED PP O etc., but these material relative prices are also higher, then in some family-sized cars adopt rubber toughened talc powder filled polypropylene, but the mar-proof performance that how to improve material then is the key of this class material of exploitation more.
The polyacrylic mar-proof performance of relevant raising has some reports, has proposed some terms of settlement, fills enhancing, improves polyacrylic degree of crystallinity, adds the method that some contain organo-siloxane as polypropylene.
Foreign patent WO02051934 mentions a kind of organosilicon grafted and modified polyethylene and polypropylene and talcum powder and carries out blend, and along with the increase of grafting PE consumption, the anti-scratch performance of modified polypropene is significantly improved, and its suitable consumption is 5-10 part; WO02051933 relates to a kind of method is improved material by the mode that improves material modified hardness with the alternative part talcum powder of mica anti-scratch performance; Japanese patent laid-open 6-220270 is reported in the tenacity-increased profax, improves the purpose that material surface hardness reaches the raising anti-scratch performance by adding nucleator, finds the anti-scratch performance of the also favourable raising material of increase of rubber consumption simultaneously; Thereby U.S. Pat 2002/0077396 proposes the degree of crystallinity of polyacrylic degree of isotacticity raising material and solves anti-scratch performance; U52002/0082328 proposes the anti-scratch performance that the crosslinked method of a kind of MATERIALS ' DYNAMIC improves material; US5585420 and US5731376 have proposed the anti-scratch performance that a kind of method that adds high molecular weight siloxane improves talc powder filled polypropylene, but not mentioned rubber toughened.
Summary of the invention
The purpose of this invention is to provide a kind of anti-zoned trace, outward appearance is beautiful, the mar-proof talc powder filled polypropylene that reduces production costs is formed and the preparation method.
For realizing above purpose, technical scheme of the present invention provides a kind of mar-proof talc powder filled polypropylene to be formed, its characteristics in, adopt rubber toughenedly, it is made by following materials of weight proportions: (%)
A. polypropylene 50-80
B. filler 5-35
C. rubber 5-25
D. high molecular silicone elastomer 0.5-5
E. nucleator 0.05-0.5
F. stablizer 0.1-1.0
G. talcum powder surface passivation agent 0.2-1.5
H. processing aid 0.05-1.0
I. toner 0.3-2.0
A+b+c is 100 weight parts in the above-mentioned prescription, and other auxiliary agent is a weight part.
Described polypropylene can be the homo-polypropylene and the block copolymerization propylene of the moving property of various flows, can be single also can be blended, wherein the comonomer of block copolymerization propylene is common is ethene, its content is in the scope of 4-10mol%, polyacrylic melt flow rate (MFR) (230 ℃ * 2.16kg) be 5-50g/10min, commonly usedly be co-polypropylene M700R; Described filler is mainly talcum powder, lime carbonate, potter's clay, mica, glass microballon, glass fibre, carbon black, can be single also can be blended, its particle size range is the 1-10 micron.Described rubber is ethylene-propylene copolymer (EPR), ethylene-butene copolymer, styrene copolymer (SEBS), ethylene-octene copolymer (POE), Dupont-the Dow Chemical Company's product, the trade mark is 8150, wherein octene content is 20-30%, melt flow rate (MFR) (190 ℃ * 2.16kg) be 0.2-10g/10min; Described polymer silicoorganic compound are the organosilicon master batch, and its molecular weight is 70-100 ten thousand; Described nucleator is that mineral filler is talcum powder and lime carbonate; The organo-metallic salt is Sodium Benzoate, Trisodium Citrate and M-nitro benzoic acid aluminium; Glucitols, organo phosphorous compounds and NA-21, can be single also can be blended; Described stablizer is one of thermal oxidation stabilizer, photostabilizer and acid-acceptor or their mixture, thermal oxidation stabilizer is 1010 ([β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester) and IrganoxPS 802 (thio-2 acid 2 stearyl ester); Photostabilizer is 770 (two (2,2,6,6-tetramethyl--4-piperidyl) sebate) and himassorb 944; Acid-acceptor is a calcium stearate; Described talcum powder surface passivation agent is higher fatty acid, titanate coupling agent, aluminate coupling agent, silane coupling agent, is typically Resins, epoxy 7072; Described processing aid is ethylene bis stearamide (EBS).
A kind of preparation method of mar-proof talc powder filled polypropylene, its method is as follows:
(1) weighs raw material by weight ratio;
(2) polypropylene, filler, rubber, high molecular silicone elastomer, nucleator, stablizer, talcum powder surface passivation agent, processing aid and toner were mixed in homogenizer 10～20 minutes;
(3) mixed raw material is put into twin screw extruder, material residence time in screw rod is 1～2 minute, temperature is in the screw rod: 180～190 ℃ in a district, 190～210 ℃ in two districts, 190～210 ℃ in three districts, 190～210 ℃ in four districts, pressure is that the crowded forcing machine rotating speed of 10～18Mpa twin screw is 500-700 rev/min;
(4) discharging melt extrudes in twin screw extruder, extrudes postcooling, drying, pelletizing and gets product.
Advantage of the present invention is:
1. the present invention has improved polyacrylic anti-scratch performance, uvioresistant performance and resistance toheat, and the toughness of material and rigidity have reached good balance, can satisfy the requirement of automobile component to material.
2. because the present invention has adopted rubber toughened technology, make material have fabulous processing characteristics, can improve shaping efficiency greatly, cut down finished cost in the comparatively high temps bottom knockout.
3. the various materials that use among the present invention are commercially available general commodity, and wide material sources do not have strict demand to producer.
Specific embodiments
Below in conjunction with embodiment, the present invention is described in further detail:
The polypropylene of mentioning among the present invention is the multipolymer of one or more isotatic polypropylene, these isotatic polypropylene comprise homo-polypropylene and co-polypropylene, wherein co-polypropylene is divided into random copolymerization propylene and block copolymerization propylene again, and comonomer is that ethene, butylene are to 20 carbon olefins.Typical comonomer is ethene in the co-polypropylene that uses in the present invention, and its content is no more than 15mol%, the more common 5mol% that is no more than.
The polypropylene that uses among the present invention can adopt different polymerization processs to obtain, as suspension polymerization and solution polymerization, the state of propylene monomer can be gas phase or slurries attitude, the catalyzer that uses is common to be Ziegler-Natta type, certainly comprise that also other any catalyzer can prepare the polypropylene of high regularity structure, its degree of isotacticity should be greater than 95%.
The polyacrylic flowability of using among the present invention melt flow rate (MFR) (MFR) commonly used represents that its test condition is 230 ℃ * 2.16kg, and melt flow rate (MFR) is inversely proportional to polyacrylic molecular weight, and promptly the polypropylene molecule amount is big more, and flowability is poor more, and MFR is more little.Select the MFR size, mainly need to consider physics, the mechanical property of moulding processability and material, MFR is too small, and flowability is too poor, is unsuitable for injection molding, and MFR is excessive, and polyacrylic toughness is too poor, and material is too crisp.Polyacrylic MFR scope is 0.5-100g/10min, and more common MFR scope is 0.5-50g/10min.
In order to improve the performance of filled polypropylene, generally need to add polymer coupler, increase the interaction of polypropylene and filling surface.This family macromolecule coupling agent mostly is the organism with reactive functionality and connects the skill polypropylene, and the typical graft monomer has maleic anhydride, toxilic acid, vinylformic acid, formic acid etc., and the most common grafted monomer is a maleic anhydride.Its grafting method has fusion-grafting method, solid phase grafting method and solution grafting, and more common is the fusion-grafting method, and its percentage of grafting is generally 0.2-2.0wt%.The polymer coupler that uses among the present invention is maleic anhydride inoculated polypropylene, and percentage of grafting is 0.5%.
The filler of mentioning among the present invention comprises: talcum powder, lime carbonate, potter's clay, mica, glass microballon, glass fibre, carbon black etc., common is talcum powder, lime carbonate and potter's clay, especially the talcum powder of sheet structure is more common in modified polypropene, length/thickness rate (L/T) is about 200, and particle size range is the 1-10 micron.In order significantly to improve polyacrylic rigidity, general talcous consumption is not less than 10%, but amount of talc is also too much unsuitable, as surpassing 40%, then can the polyacrylic processing characteristics of remarkably influenced, therefore general amount of talc is 10-35wt%, more common is 15-25wt%.
Mentioned toughner among the present invention, be mainly the rubber-like material, for thermal ageing and the weather resistance that guarantees that material is good, generally be the rubber of saturated structures, this class rubber mainly contains ethylene-propylene copolymer (EPR), ethylene-butene copolymer, styrene copolymer (SEBS), ethylene-octene copolymer (POE) etc., the POE of the metallocene catalysis preparation that particularly occurs in recent years is good because of its toughening effect, mobile height is then more common, in order obviously to improve polyacrylic toughness, low-temperature flexibility particularly, except that paying special attention to select the polypropylene kind, the selection of rubber consumption is also extremely important, by adjusting rubber and amount of filler proportioning, can make the modified polypropene toughness and the rigidity of preparation reach balance, rubber consumption is 5-25wt% among the present invention, and more common is 8-15wt%.
Compare with polypropylene, the adding of rubber and filler, the anti-scratch performance variation of material, in order to improve this performance, method commonly used has the surface hardness that improves modified polypropene and adds some anti-zoned trace agent.The anti-zoned trace agent of adopting among the present invention is a kind of general high molecular silicone elastomer, dimethyl silicone rubber, its molecular weight ranges is 70-100 ten thousand, molecular weight is low excessively, and is poor with the polymer phase capacitive, causes material modified over-all properties too poor, molecular weight is too high, cost is too high during polymerization, and therefore the amount ranges of anti-zoned trace agent is 0.5-5.0%, and the optimum consumption is 1.5-3.0%.
The adding of nucleator helps improving material modified surface hardness, yield strength and shock strength, thereby improve the anti-scratch performance of material, the adding of nucleator has simultaneously improved polyacrylic Tc, can be in the comparatively high temps bottom knockout, shorten the forming process cycle, cut down finished cost.In the polypropylene there be effective nucleator: mineral filler such as talcum powder, lime carbonate etc., organo-metallic salt such as Sodium Benzoate, Trisodium Citrate, M-nitro benzoic acid aluminium etc., glucitols and organo phosphorous compounds, wherein sorbyl alcohol
Class and organo phosphorous compounds are the efficient nucleators that development in recent years is got up, and typical product has: the D and the DM of Switzerland Ciba-Geigy company, the NA-21 of Japanese Asahi Chemical Industry.The consumption of nucleator has considerable influence to its nucleogenesis, and is low excessively, do not reach nucleating effect, too high, and cost is too high, and the consumption of general above-mentioned two class nucleators is 0.05-0.5%, and the optimum consumption is 0.1-0.3%.
Owing to have tertiary carbon atom in the polypropylene molecule, easier to be more aging than polyethylene, particularly under the effect of high temperature and UV-light, the polypropylene that does not add stablizer is in a short time just with embrittlement, lose use value, so the adding of stablizer is even more important to modified polypropene.General polyacrylic stabilising system comprises: phenols primary antioxidant, phosphorous acid esters or thioesters class are worked in coordination with oxidation inhibitor, acid absorber, UV light absorber, hydrogen peroxide decomposition agent etc.
In polyacrylic stabilising system, the phenols primary antioxidant is common to be had, the Irganox 1010 of Switzerland Ciba company (four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester) and Irganox 1076 (2,6-two (1-phenyl) ethyl-4-nonylphenol), wherein 1010 is more commonly used, and consumption is generally 0.1-1.0%, and more commonly used is 0.1-0.5%.
Phosphorous acid esters and thioesters class auxiliary antioxidant, with above-mentioned primary antioxidant synergy is arranged, common kind has: the Irgafos 168 (three (2 of Switzerland Ciba company, phosphorous acid ester) and Irganox PS 802 (thio-2 acid 2 stearyl ester) the 4-di-tert-butyl-phenyl), because the former is easy to hydrolysis in talc powder filled polypropylene, so the latter is more commonly used.Its consumption is 0.1-1.0%, and more commonly used is 0.1-0.5%.
In polyacrylic stabilising system, also need add acid absorber, common kind has stearates, and this class material plays the effect of internal lubricant simultaneously, and as calcium stearate and Zinic stearas etc., its consumption is 0.05-0.5%, and more commonly used is 0.05-0.2%.
In order to improve the weather resistance of modified polypropene, often need to add photostabilizer.Photostabilizer commonly used is divided into according to the mechanism of action: UV light absorber, quencher, hydrogen peroxide decomposition agent and radical scavenger, common several photostabilizers are also used the weather resistance that can improve material by a relatively large margin.Ultraviolet absorbers in the composition has; Benzophenone, phenyl methyl ketone amine, benzotriazole category, triazines, wherein PP the most common be benzophenone and phenyl methyl ketone amine; Above-mentioned ultraviolet absorbers consumption is at 0.1-1.0%, and the most suitable consumption is 0.1-0.5%; Typical UV light absorber product is the SanduvorPR-25 and the Sanduvor VSU of Switzerland Clariant company.
Free radical quencher in the composition has: hindered amines and nickel huge legendary turtle compound class, the latter now seldom uses because of environmental issue.Common hindered amine light stabilizer has the Tinuvin 770 (two (2 of Switzerland Ciba company, 2,6, sebate) and Chimassorb 944 (a kind of high molecular weight hindered amine light stabilizer 6-tetramethyl--4-piperidyl), it has good heat endurance, resistant to extraction, and lower volatility and transport property have good consistency with polypropylene simultaneously), its consumption is 0.1-2.0 (mass parts), and the most suitable consumption is 0.1-1.0 (mass parts).In polyacrylic smooth stabilising system, be generally multiple photostabilizer and usefulness, its total consumption is no more than 2%.
General packing specific area is than higher, easily adsorb the various low molecule auxiliary agent that adds, particularly oxidation inhibitor and anti UV agent, the high-molecular weight silicone elastomer that we are added is also influential simultaneously, how to handle filler and be that exploitation is mar-proof, the key of uvioresistant, rubber toughened talc powder filled polypropylene.Except that adopting some conventional surface treatment methods, as adopt higher fatty acid, titanate coupling agent, aluminate coupling agent and silane coupling agent, also need add some surface passivation agent such as some epoxy compoundss, Resins, epoxy is typically arranged, patent of the present invention adopts the solid epoxy Araltide 7072 of Switzerland Ciba company, its consumption is 0.2-1.5%, and the optimum consumption is 0.5-1.0%.
Suitable processing aid helps improving Drawing abillity, in talc powder filled polypropylene, needs to add fatty amide, and most typical as ethylene bis stearamide (EBS), its consumption is generally 0.05-1.0%.
Because automotive upholstery mostly is light goods, therefore in prescription, need to add some pigment, as cream-coloured or grey, in general, the consumption of pigment is 0.3-2.0%, optimum dose is 0.5-1.0%, according to the variation of product colour and slightly different.
The present invention has contrasted multiple homopolymerization or copolymerization PP, wherein be typical for melt flow rate (MFR) and be the block copolymerization propylene about 10g/10min, its ethylene content is 4.5%, degree of isotacticity is 96%, many in the world companies all can produce this product, so wide material sources, the present invention adopts the co-polypropylene M700R of Kingsoft, Shanghai petrochemical industry limited-liability company.
The talcum powder that uses in the invention produces as Guangxi China, and its size is 1250 orders that sieve, and whiteness is more than 95%.
The rubber that uses in the invention is ethylene-octene copolymer, is Dupont-the Dow Chemical Company's product, and the trade mark is 8150, and its octene content is 25%, density 0.868g/cm
3, melt flow rate (MFR) (190 ℃ * 2.16kg) be 0.5g/10min.
The high-molecular weight organo-silicone rubber that uses among the present invention is vinylsiloxane rubber, molecular weight about 700,000, be the commercially available prod, for the ease of processing and improving its dispersiveness, we adopt special technology to make the organosilicon master batch, and organosilyl effective content is 50wt%.
The various auxiliary agents that use among the present invention are: nucleator is the electric company of a Japanese rising sunization product, and the trade mark is NA-21; Acid-acceptor is a calcium stearate; Talcum powder surface passivation agent is the Resins, epoxy 7072 that Switzerland Ciba company produces; Thermal oxidation stabilizer is the Irganox 1010 ([β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester) and the IrganoxPS 802 (thio-2 acid 2 stearyl ester) of Switzerland Ciba company; Photostabilizer is the Tinuvin 770 (two (2,2,6,6-tetramethyl--4-piperidyl) sebate) and the Chimassorb 944 of Switzerland Ciba company; Processing aid is an ethylene bis stearamide.Performance test
(1) mar-proof performance test: the injection molding size of sample is 150 * 100 * 3.2mm, with hand-held hardness test pen load is 10N, the nib diameter is that 0.75mm carries out scratch test on the model surface, adopt the visual method of many people to differentiate the anti-scratch performance of material, and be divided into one to Pyatyi, one-level is best, and Pyatyi is the poorest.
(2) melt flow rate (MFR) (MFR) is measured: undertaken by ISO 1183 standards, think in Shanghai and reach and carry out 230 ℃ of probe temperatures, load 2.16kg on the fusion index instrument of scientific instrument company;
(3) tensile property is measured: undertaken by ISO 527 standards, carry out on the German Zwick Z010 of company universal testing machine, rate of extension is 50mm/min;
(4) bending property is measured: undertaken by ISO 178 standards, on the German Zwick Z010 of company universal testing machine, carry out, and span 64mm, speed 2mm/min, modulus in flexure is calculated and is undertaken by tangential way;
(5) impact property is measured: undertaken by ISO 179 standards, carry out on the impact experiment machine of German Zwick company, batten is 80 * 10 * 4mm, v-notch, and bottom radius is 0.25mm.
(6) hardness test: carry out on the hardness-testing device of German Zwick company by ISO 2039-1 standard, loading is 358N, 30 seconds readings.
(7) weather resistance test: test apparatus is the proofing box of U.S. ATLAS Ci3000 type xenon lamp aging.Test conditions: 100 ± 3 ℃ of blackboard temperatures, 65 ± 3 ℃ of spin manifold temperatures, casing relative humidity (20 ± 10) %, exposure intensity (300～400nm) 60w/m
2, filter system Xenochrom 300, irradiation time 240 hours.Test sample plate colour-change journey Δ E and old degree index, GB250-1955 characterizes by standard.
Embodiment 1-7 has contrasted the influence to material property and anti-scratch performance of anti-zoned trace agent consumption, nucleator consumption and Resins, epoxy.Basic recipe in the experiment is as follows: M700R 70, and talc 20,8,150 10,1,010 0.3, PS 802 0.3, and EBS 0.2, calcium stearate 0.1,770 0.3,944 0.3, cream-coloured toner 1.2.
The preparation method of embodiment 1-7:
(1) weighs raw material by weight ratio;
(2) polypropylene, filler, rubber, high molecular silicone elastomer, nucleator, stablizer, talcum powder surface passivation agent, processing aid and toner were mixed in homogenizer 15 minutes;
(3) mixed raw material is put into twin screw extruder, material residence time in screw rod is 1.5 minutes, and temperature is in the screw rod: 185 ℃ in a district, and 200 ℃ in two districts, 200 ℃ in three districts, 205 ℃ in four districts, pressure is 15Mpa; It is 600 rev/mins that twin screw squeezes the forcing machine rotating speed;
(4) discharging melt extrudes in twin screw extruder, extrudes postcooling, drying, pelletizing and gets product.
The prescription of table 1 embodiment 1-7 and material property table
| Embodiment | ????1 | ????2 | ????3 | ????4 | ????5 | ????6 | ????7 |
| Organosilicon master batch consumption | ????1 | ????3 | ????5 | ????7 | ????3 | ????3 | ????3 |
| Nucleator NA-21 | ????0.15 | ????0.15 | ????0.15 | ????0.15 | ????0.05 | ????0.3 | ????0.15 |
| Resins, epoxy 7072 | ????0.5 | ????0.5 | ????0.5 | ????0.5 | ????0.5 | ????0.5 | ????1.0 |
| Melt flow rate (MFR)/g/10min | ????7.5 | ????7.3 | ????7.2 | ????7.0 | ????7.5 | ????7.5 | ????7.9 |
| Tensile strength/Mpa | ????21.5 | ????21.3 | ????21.0 | ????20.6 | ????20.5 | ????21.8 | ????21.5 |
| Modulus in flexure/Mpa | ????1650 | ????1600 | ????1580 | ????1550 | ????1600 | ????1650 | ????1630 |
| Notched Izod impact strength/Mpa | ????22.0 | ????23.0 | ????23.5 | ????23.8 | ????23.0 | ????23.5 | ????23.5 |
| Ball indentation hardness/Mpa | ????51 | ????50 | ????48 | ????47 | ????50 | ????51 | ????50 |
| Photooxidation aging property/level | ????4.5 | ||||||
| Anti-scratch performance/level | ????3 | ????2 | ????1 | ????1 | ????2.5 | ????2 | ????2 |
The preparation method of Comparative Examples 1-7:
(1) weighs raw material by weight ratio;
(2) polypropylene, filler, rubber, high molecular silicone elastomer, nucleator, stablizer, talcum powder surface passivation agent, processing aid and toner were mixed in homogenizer 15 minutes;
(3) mixed raw material is put into twin screw extruder, material residence time in screw rod is 1～2 minute, and temperature is in the screw rod: 185 ℃ in a district, and 200 ℃ in two districts, 200 ℃ in three districts, 205 ℃ in four districts, pressure is 15Mpa; It is 600 rev/mins that twin screw squeezes the forcing machine rotating speed;
(4) discharging melt extrudes in twin screw extruder, extrudes postcooling, drying, pelletizing and gets product.
The prescription of table 2 Comparative Examples 1-7 and material property table
| Comparative Examples | ??1 | ??2 | ??3 | ??4 | ??5 | ??6 | ??7 |
| Organosilicon master batch consumption | ??0 | ??3 | ??3 | ??3 | ??3 | ||
| Silicone oil (molecular weight about 5000) | ??1.5 | ||||||
| Nucleator NA-21 | ??0 | ??0.15 | ??0.15 | ??0.15 | ??0.15 | ||
| Resins, epoxy 7072 | ??0 | ??0.5 | ??0.5 | ??0.5 | ??0.5 | ||
| Melt flow rate (MFR)/g/10min | ??7.8 | ??7.3 | ??7.2 | ??7.2 | ??7.3 | ??8.0 | ??7.5 |
| Tensile strength/MPa | ??20.8 | ??21.0 | ??21.0 | ??21.5 | ??22.0 | ??20.2 | ??20.0 |
| Modulus in flexure/MPa | ??1580 | ??1600 | ??1600 | ??1630 | ??1650 | ??1500 | ??1450 |
| Notched Izod impact strength/MPa | ??20.5 | ??21.5 | ??21.5 | ??21.8 | ??21.5 | ??20.3 | ??20.5 |
| Ball indentation hardness/MPa | ??52 | ??50 | ??50 | ??51 | ??51 | ??48 | ??48 |
| Anti-scratch performance/level | ??5 | ??3 | ??2.5 | ??2.5 | ??4 | ??2 | ??2 |
Organosilicon product is divided into many grades according to substituting group and molecular weight are different, and we have screened some organo-siloxanes, consider price factor, have mainly selected the dimethyl silicone rubber of some methyl-silicone oils and different molecular weight for use, and its typical consequence sees Table 1 and table 2.Can see that organosilicon master batch consumption increases, modulus in flexure, tensile strength and the hardness of reflection rigidity of material all descend to some extent, and shock strength increases to some extent, and this is because high molecular organosilicon has toughening effect to MODIFIED PP.Material modified mar-proof performance is obviously improved with the adding of organosilicon master batch, in general reach the 2 grades of requirements that can satisfy automotive upholstery, so the consumption of silicon rubber master batch preferably is not higher than 4%.Contrast low-molecular-weight organosilicon Comparative Examples 6 and can see that the anti-scratch performance of material also makes moderate progress, but have no value for use because of other mechanical property has bigger decline.
Can also see that from table 1 and table 2 adding of nucleator and Resins, epoxy all help improving the anti-scratch performance of material, but both mechanism is different.The former mainly is rigidity and the surface hardness that improves material, the latter mainly reduces the adsorption of talcum powder to organosilicon and other auxiliary agent, improve organosilyl anti-zoned trace effect, the synergy of these three kinds of auxiliary agents, the material that makes us develop has the characteristics of anti-zoned trace, anti-ultraviolet, high rigidity and high tenacity, so and development product has been successfully applied to door-plate, auxiliary fasia console and the dashboard of car.
Comparative Examples 7 is to substitute talcum powder with lime carbonate, can see that except that rigidity was relatively poor, this ball-type structure with lime carbonate was relevant, and the material modified anti-scratch performance that also has excellence illustrates that the anti-zoned trace system that we develop is expected to be applied in the multiple filled polypropylene.
Claims (10)
1. a mar-proof talc powder filled polypropylene is formed, and it is characterized in that, adopts rubber toughenedly, and it is made by following materials of weight proportions: (%)
A. polypropylene 50-80
B. filler 5-35
C. rubber 5-25
D. high molecular silicone elastomer 0.5-5
E. nucleator 0.05-0.5
F. stablizer 0.1-1.0
G. talcum powder surface passivation agent 0.2-1.5
H. processing aid 0.05-1.0
I. toner 0.3-2.0
A+b+c is 100 weight parts in the above-mentioned prescription, and other auxiliary agent is a weight part.
2. a kind of mar-proof talc powder filled polypropylene according to claim 1 is formed, it is characterized in that, described polypropylene can be the homo-polypropylene and the block copolymerization propylene of the moving property of various flows, can be single also can be blended, wherein the comonomer of block copolymerization propylene is common is ethene, its content in the scope of 4-10mol%, polyacrylic melt flow rate (MFR) (230 ℃ * 2.16kg) be 5-50g/10min, commonly usedly be co-polypropylene M700R.。
3. a kind of mar-proof talc powder filled polypropylene according to claim 1 is formed, it is characterized in that, described filler is mainly talcum powder, lime carbonate, potter's clay, mica, glass microballon, glass fibre, carbon black, can be single also can be blended, its particle size range is the 1-10 micron.
4. a kind of mar-proof talc powder filled polypropylene according to claim 1 is formed, it is characterized in that, described rubber is ethylene-propylene copolymer (EPR), ethylene-butene copolymer, styrene copolymer (SEBS), ethylene-octene copolymer (POE), Dupont-the Dow Chemical Company's product, the trade mark is 8150, wherein octene content is 20-30%, melt flow rate (MFR) (190 ℃ * 2.16kg) be 0.2-10g/10min.
5. a kind of mar-proof talc powder filled polypropylene according to claim 1 is formed, and it is characterized in that described polymer silicoorganic compound are the organosilicon master batch, and its molecular weight is 70-100 ten thousand.
6. a kind of mar-proof talc powder filled polypropylene according to claim 1 is formed, and it is characterized in that described nucleator is that mineral filler is talcum powder and lime carbonate; The organo-metallic salt is Sodium Benzoate, Trisodium Citrate and M-nitro benzoic acid aluminium; Glucitols, organo phosphorous compounds and NA-21, can be single also can be blended.
7. a kind of mar-proof talc powder filled polypropylene according to claim 1 is formed, it is characterized in that, described stablizer is one of thermal oxidation stabilizer, photostabilizer and acid-acceptor or their mixture, thermal oxidation stabilizer is [β-(3, the 5-di-tert-butyl-hydroxy phenyl, as Irganox1010 and thio-2 acid 2 stearyl ester, as Irganox PS 802; Photostabilizer is two (2,2,6,6-tetramethyl--4-piperidyl) sebates, as 770 and Chimassorb 944; Acid-acceptor is a calcium stearate.
8. a kind of mar-proof talc powder filled polypropylene according to claim 1 is formed, it is characterized in that, described talcum powder surface passivation agent is higher fatty acid, titanate coupling agent, aluminate coupling agent, silane coupling agent, is typically Resins, epoxy 7072.
9. a kind of mar-proof talc powder filled polypropylene according to claim 1 is formed, and it is characterized in that described processing aid is ethylene bis stearamide (EBS).
10. the preparation method of a kind of mar-proof talc powder filled polypropylene according to claim 1, its method is as follows:
(1) weighs raw material by weight ratio;
(2) polypropylene, filler, rubber, high molecular silicone elastomer, nucleator, stablizer, talcum powder surface passivation agent, processing aid and toner were mixed in homogenizer 10～20 minutes;
(3) mixed raw material is put into twin screw extruder, material residence time in screw rod is 1～2 minute, and temperature is in the screw rod: 180～190 ℃ in a district, and 190～210 ℃ in two districts, 190～210 ℃ in three districts, 190～210 ℃ in four districts, pressure is 10～18Mpa; It is 500-700 rev/min that twin screw squeezes the forcing machine rotating speed;
(4) discharging melt extrudes in twin screw extruder, extrudes postcooling, drying, pelletizing and gets product.
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