C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4603
C08L 77/00 (2006.01)
Patent
CA 1341001
An impact-resistant polyamide resin is produced by preparing Mixture (I) by melt-kneading (A) a polyamide resin with (B) at least one modified olefin polymer selected from the group consisting of olefin rubbers having an unsaturated dicarboxylic acid anhydride added thereto, .alpha.-olefin polymers having an unsaturated dicarboxylic acid anhydride added thereto, crystalline ethylene-.alpha.-olefin copolymers having an unsaturated dicarboxylic acid anhydride added thereto, and ethylene-ethylenic unsaturated ester copolymers having an unsaturated dicarboxylic acid anhydride added thereto, preparing Mixture (II) by melt-kneading Mixture (I) with (C) a polyfunctional compound having in the molecule two or more functional groups reactive with carboxyl group, carboxylic acid anhydride group or amino group, and melt-kneading Mixture (II) with (D) a polyamide resin. The impact-resistant polyamide resin composition obtained by the process of the present invention has an excellent processability and can be made into various molded products, sheets or films by injection molding or extrusion molding. The thus obtained products have good physical properties, in particular, an excellent impact strength.
607938
Mashita Kentaro
Nambu Jinsho
Ohmae Tadayuki
Toyoshima Yoshiki
Yamaguchi Noboru
Elf Atochem S.a.
Marks & Clerk
Sumitomo Chemical Company Limited
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