Composition including a multiphase core/shell polymer and a...

Details Composition including a multiphase core/shell polymer and a... Composition including a multiphase core/shell polymer and a...

C - Chemistry, Metallurgy

08

L

400/3038, 400/46

C08L 77/00 (2006.01)

Patent

CA 1171996

C-08-12-1181 MULTIPHASE CORE/SHELL POLYMERS ABSTRACT Tough multi-phase thermoplastic compositions consisting essentially of 55 to 99 parts by weight of a polyamide matrix and 1 to 45 parts by weight of a multi- phase polymer comprising 50 to 90 parts by weight of a crosslinked elastomer core and 10 to 50 parts by weight of a rigid polymer shell comprising from about 1 to about 25 parts by weight of an interpolymerized ethylenically unsaturated carboxylic acid monomer, from about 20 to about 80 parts by weight of interpolymerized styrene, from about 0 to about 79 parts by weight of an inter- polymerized C1 to C8 alkyl acrylate or methacrylate and from about 0 to about 45 parts by weight of an inter- polymerized acrylonitrile. The toughened compositions are useful for making molded and extruded parts possess- ing impact resistance and ductility.

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