Supported vanadium dihalide-ether complex catalyst

Details Supported vanadium dihalide-ether complex catalyst Supported vanadium dihalide-ether complex catalyst

C - Chemistry, Metallurgy

08

F

252/95, 260/711.

C08F 10/00 (2006.01) C08F 4/68 (2006.01)

Patent

CA 1225983

Abstract of the Disclosure A vanadium dichloride-ether complex is carried on a porous support. This complex can be produced by either forming VC12 and thereafter complexing the material with an ether or forming an ether complex with VC14 or VC13 and thereafter reducing the vanadium compound to VC12. It is also possible to carry out the complexing reaction and the reduction essentially simultaneously. The resulting catalyst in combination with a cocatalyst is capable of giving high activity in olefin polymerization and demonstrates good sensitivity to molecular weight control agents, thus allowing the production of a broad spectrum of polymers so far as molecular weight is concerned.

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