Graft copolymer comprising a hydrocarbon polymer main chain...

C - Chemistry – Metallurgy – 08 – F

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400/2026, 204/91

C08F 255/00 (2006.01) C08F 8/00 (2006.01) C08F 257/00 (2006.01) C08F 289/00 (2006.01) C08J 5/22 (2006.01) C08J 7/12 (2006.01) C08J 7/18 (2006.01)

Patent

CA 1047681

ABSTRACT OF THE DISCLOSURE A graft copolymer comprising a hydrocarbon polymer main chain and a side chain composed mainly of a styrene compound of the following formula Image wherein R is a hydrogen atom or an R'CO group in which R' is an alkyl group, and n is an integer of 1 or 2, and a polyene compound grafted to the hydrocarbon polymer main chain and a process for preparing the graft copolymer comprising graft- polymerizing the above copolymer components with the hydrocarbon polymer by ionizing radiation. The graft copolymer is especially suitable as an ion-exchange membrane or a basic polymer matrix for an ion-exchange membrane.

217758

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