A catalyst system for the preparation of polyethylene

Details A catalyst system for the preparation of polyethylene A catalyst system for the preparation of polyethylene

C - Chemistry, Metallurgy

08

F

C08F 4/623 (2006.01) C08F 10/00 (2006.01) C08F 110/02 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2289902

A catalyst system comprising (a) as a precursor, a solid complex comprising a magnesium halide; a titanium compound containing at least one bidentate ligand wherein the titanium is in the tetravalent state; and, as an electron donor, one or more alcohols, ethers ,or ketones, said complex being impregnated into an inert support or spray dried from an electron donor solution containing an inert filler; (b) as a cocatalyst, one or more alkyl aluminum compounds; and, optionally, (c) a halocarbon promoter.

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