Block copolymer process

Details Block copolymer process Block copolymer process

C - Chemistry, Metallurgy

08

F

400/2057, 402/60

C08F 297/00 (2006.01) C08F 297/08 (2006.01)

Patent

CA 1070448

ABSTRACT OF THE DISCLOSURE A process for the copolymerization of alpha-olefins to form a block olefinic copolymer. In this process solid polymeric alpha-olefin which contains an active catalyst is fed into two parallel fluid-bed reactors and concurrently, two different, gaseous, olefinic monomer streams are cyclically fed into first one reactor and then the other. The block olefinic copolymer is continuously withdrawn from the reactors during the cyclic injection thereinto.

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