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    • 4. 发明授权
    • Polyarylene sulfide resin composition
    • 聚芳硫醚树脂组合物
    • US5258450A
    • 1993-11-02
    • US469374
    • 1990-01-24
    • Akira NakataNaoki YamamotoHiroshi MoriTakuya Ueno
    • Akira NakataNaoki YamamotoHiroshi MoriTakuya Ueno
    • C08L51/08C08L81/02C08L83/08C08K7/04C08K7/14C08L81/04
    • C08L81/02C08L51/08C08L83/08
    • A polyarylene sulfide resin composition obtainable by mixing and reacting(A) 99 to 60 parts by weight of a polyarylene sulfide resin,(B) 1 to 40 parts by weight of a polyorganosiloxane rubber, in which 0.1 to 20 wt. % of a siloxane compound represented by the following formula (I):HS(CH.sub.2).sub.p --SiR.sub.n (OR').sub.3-n (I) wherein R represents a methyl, ethyl, propyl or phenyl group, R' represents a methyl or ethyl group, n represents an integer of 0, 1 or 2, and p represents an integer of 1 to 6, are copolymerized, having an average particle size of 0.1 to 0.5 .mu.m and a degree of swelling of 3 to 50 measured by immersing in toluene, or a polyorganosiloxane graft copolymer prepared by graft-polymerizing a monomer comprising at least one of an unsaturated carboxylic acid and its anhydride to a polyorganosiloxane rubber having an average particle size of 0.1 to 0.5 .mu.m and a degree of swelling of 3 to 50 measured by immersing in toluene,(C) 0.01 to 10 parts by weight, based on 100 parts by weight of the total weight of the components (A) and (B), of at least one polyfunctional compound selected from the group consisting of polyfunctional isocyanate compounds, polyfunctional oxazoline compounds and polyfunctional epoxy compounds, and(D) 0 to 300 wt. %, based on the total weight of the components (A), (B) and (C), of a filler. The composition having excellent impact resistance without a large reduction in the properties inherent to a polyarylene sulfide resin.