Patent ID: 7442744

Claim:
A polyarylene sulfide resin composition comprising (A) 100 parts by weight of a polyarylene sulfide resin; (B) 1 to 20 parts by weight of a graft copolymer composed of (b-1) an olefin-based copolymer composed mainly of an α-olefin and an α,β-unsaturated carboxylic acid ester, without containing glycidyl group, and (b-2) at least one polymer or copolymer composed of a repeating unit expressed by the formula (1), (b-2) being chemically bonded in branching or crosslin king on (b-1), where R is a hydrogen atom or a lower alkyl group, and X is one or more groups selected from —COOCH 3 , —COOC 2 H 5 , —COOC 4 H 9 , —COOCH 2 CH(C 2 H 5 )C 4 H 9 , —C 6 H 5 , and —CN; and (C) 1 to 20 parts by weight of an olefin-based copolymer composed mainly of an α-olefin and a glycidyl ester of an α,β-unsaturated acid.