Catalyst composition and polymerization process for...

Details Catalyst composition and polymerization process for... Catalyst composition and polymerization process for...

C - Chemistry, Metallurgy

08

F

C08F 4/69 (2006.01) C08F 136/06 (2006.01) C08F 136/20 (2006.01)

Patent

CA 2272203

The instant invention teaches a method for forming a syndiotactic 1,2- polybutadiene product having a higher syndiotacticity and a higher melting temperature than syndiotactic 1,2-polybutadiene produced using chromium catalysts known in the prior art. The method includes polymerizing 1,3-butadiene in solution with a solvent, in the presence of catalytically effective amounts of: (a) an organomagnesium compound; (b) a chromium compound; and, (c) a cyclic hydrogen phosphite.

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