Polyarylene sulfide resin composition

C - Chemistry – Metallurgy – 08 – L

Patent

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400/4801

C08L 9/00 (2006.01) C08L 81/02 (2006.01) C08L 81/04 (2006.01)

Patent

CA 2033724

ABSTRACT OF THE DISCLOSURE A polyarylene sulfide resin composition comprising a composition obtained by adding a monomer having one or more ethylenic unsaturated bonds (component A) to a composition comprising 60 to 99.5 parts by weight of a polyarylene sulfide resin (component B) and 40 to 0.5 parts by weight of a conjugated diene polymer (component C), the amount of said monomer being 30 to 0.1 parts by weight based on 100 parts by weight of the total amount of components B and C, and then reacting these components A, B and C. The present invention provides a composition of excellent performance comprising a polyarylene sulfide resin, a conjugated diene polymer, a monomer and if necessary a filler in which these components are uniformly dispersed and mixed to such a degree that phase separation is not caused even through molding steps (e.g. extrusion molding, injection molding) carried out under normal conditions and which, because of these components being mixed in an appropriate blending ratio, has excellent impact strength without a large reduction in the excellent characteristics of polyarylene sulfide and also gives molded products endowed with excellent surface appearance.

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