Process for copolymerizing styrene and acrylonitrile

Details Process for copolymerizing styrene and acrylonitrile Process for copolymerizing styrene and acrylonitrile

C - Chemistry, Metallurgy

08

F

400/2036, 402/35

C08F 212/10 (2006.01) C08F 6/24 (2006.01) C08K 3/30 (2006.01)

Patent

CA 1038548

ABSTRACT OF THE DISCLOSURE A process for producing a copolymer of styrene and acrylonitrile substantially free of acrylonitrile which comprises copolymerizing styrene and acrylonitrile and treating the resulting copolymer with an aqueous solution of a sulphur compound selected from the group consisting of alkaline sulfides and alkaline disulfides. Thus copolymers of styrene and acrylonitrile are useful for molding purposes and provide lower thermal deformation, better aging, high gloss and improved mechanical properties in comparison to homopolymers of styrene.

221081

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