Method for the preparation of copolymers which contain...

Details Method for the preparation of copolymers which contain... Method for the preparation of copolymers which contain...

C - Chemistry, Metallurgy

08

F

402/458

C08F 210/00 (2006.01) C08F 210/12 (2006.01) C08F 236/22 (2006.01)

Patent

CA 1098648

ABSTRACT OF THE DISCLOSURE Copolymers having in their chain conjugated diene unsaturations are obtained by reacting an iso- olefin compound with a polyene polyconjugated linear conjugated double bonds. The reaction is conducted at sub-zero temperatures in the presence of an aluminum alkyl catalyst of the kind used in the preparation of Butyl Rubber. The technical specifications of the copolymers so prepared are greatly improved over those of Butyl Rubber.

258675

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