Core-shell polymer, resin composition and molded article...

Details Core-shell polymer, resin composition and molded article... Core-shell polymer, resin composition and molded article...

C - Chemistry, Metallurgy

08

L

400/4603, 117/47

C08L 77/00 (2006.01) C08F 291/02 (2006.01) C08J 3/00 (2006.01) C08J 7/04 (2006.01)

Patent

CA 2027381

Abstract The invention thus provides a core-shell polymer comprising a core phase which is rubbery polymer and a shell phase which is a glassy polymer with an unsaturated dicarboxylic acid or its mono-alkyl ester as a constituent thereof, wherein the toluene-soluble fraction of the core-shell polymer accounts for not more than 10% by weight. It also provides polyamide resin compositions comprising said core-shell polymer and molded articles produced by molding said compositions. The resin compositions and molded articles which comprises the core-shell polymer as an impact modifier have good features, especially a high impact strength at temperature ranging from room temperature to -30°C.

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