Bromobutyl rubber-styrene-acrylonitrile graft copolymers

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260880R, C08F25510

Patent

active

040269680

ABSTRACT:
Novel high impact plastics are prepared by the inclusion of 2 to 30 weight percent of bromobutyl rubber in polymers of styrene and styrene-acrylonitrile and the grafting of said polymers onto said rubber. The graft copolymers are obtained by polymerizing the monomers of styrene or styrene-acrylonitrile in the presence of the bromobutyl rubber, which is preferably precrosslinked.

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