C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/3076
C08L 51/06 (2006.01) C08K 3/34 (2006.01) C08L 51/00 (2006.01) C08L 53/00 (2006.01) C08L 53/02 (2006.01) C08L 77/00 (2006.01)
Patent
CA 2012358
ABSTRACT OF THE DISCLOSURE A polypropylene thermoplastic resin composition compris- ing (a) a modified crystalline polypropylene of a crystalline polypropylene comprising said modified crystalline polypropylene and (b) a modified polyamide obtained by partially or wholly grafting a polyamide with a clay mineral. A polypropylene thermoplastic resin composition comprising, in addition to the above polypropylene thermoplastic resin composition comprising the components (a) and (b), one or any combination of the following components (c), (d) and (e): (c) an ethylene-.alpha.- olefin copolymer rubber or a modified ethylene-.alpha.-olefin copolymer rubber, (d) a block copolymer between a monovinyl- substituted aromatic hydrocarbon and a conjugated diene, a hydrogenation product of said block copolymer, or a modification product of said block copolymer, and (e) an inorganic filler. The modified polyamide as the component (b), obtained by modifying a polyamide with a clay mineral has good compatibility with or good dispersibility in the component (a), i.e. the modified crystalline polypropylene or the crystalline polypropylene comprising the modified crystalline polypropylene. Therefore, the polypropylene thermoplastic resin composition comprising these components (a) and (b) has excellent heat resistance and excellent impact resistance.
Akagawa Tomohiko
Fukui Osamu
Kawamura Nobuya
Nishio Takeyoshi
Nomura Takao
Marks & Clerk
Ube Industries Ltd.
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