Direct conversion of a polymerization reaction catalyzed by...

Details Direct conversion of a polymerization reaction catalyzed by... Direct conversion of a polymerization reaction catalyzed by...

C - Chemistry, Metallurgy

08

F

402/607

C08F 2/34 (2006.01) C08F 4/62 (2006.01) C08F 6/02 (2006.01) C08F 10/00 (2006.01) C08F 295/00 (2006.01)

Patent

CA 1205946

- 31 - ABSTRACT OF THE DISCLOSURE A method of converting a continuous olefin polymerization reaction catalyzed by a Ziegler-type catalyst into one catalyzed by a chromium-based catalyst, without the need of emptying and re- charging the polymerization reactor, by adding a hydroxyl-containing compound to the reactor con- taining the Ziegler-type catalyst to interact with such catalyst before the chromium-based catalyst is introduced into the reactor. D-12,981-1

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