发明名称 |
Thermoplastic resin composition and injection molded article thereof |
摘要 |
<p>A thermoplastic resin composition which has a melt flow rate of 25 to 30 g/10 min and a flexural modulus at 23 DEG C of 20,000 kg/cm<2> or more and which comprises (1) 78 to 87% by weight of a specific crystalline polypropylene Äreferred to hereinafter as (A)Ü in which the propylene homopolymer portion has a Q value of 3.0 to 5.0, an isotactic pentad fraction of 0.975 or more and an intrinsic viscosity Ä eta Ü of 1.00 to 1.10 dl/g as measured at 135 DEG C in tetralin, (2) 3 to 10% by weight of at least two specific rubber components selected from the group consisting of (B) 1 to 9% by weight of an ethylene-butene-1 copolymer rubber, (C) 1 to 9% by weight of an ethylene-propylene copolymer rubber and (D) 1 to 9% by weight of an alkenyl aromatic compound-containing rubber; and (3) 10 to 12% by weight of talc having an average particle diameter of 4 mu m or less, and an injection molded article of the thermoplastic resin composition, said thermoplastic resin composition satisfying the impact strength and rigidity required as a material for an interior automotive trim and having a short molding cycle and good surface quality.</p> |
申请公布号 |
EP0739940(A2) |
申请公布日期 |
1996.10.30 |
申请号 |
EP19960106783 |
申请日期 |
1996.04.29 |
申请人 |
SUMITOMO CHEMICAL COMPANY LIMITED;TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
SADATOSHI, HAJIME;OHKAWA, KENICHI;DOI, TERUHIKO;MIYAKE, YUICHI;NOMURA, TAKAO;NISHIO, TAKEYOSHI |
分类号 |
B29L31/58;B29C45/00;B29K23/00;B29K96/04;B60R13/02;C08K3/34;C08L21/00;C08L23/00;C08L23/08;C08L23/10;C08L23/12;C08L23/16;C08L25/00;C08L53/00;C08L53/02;(IPC1-7):C08L23/12 |
主分类号 |
B29L31/58 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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