Supported homogenous catalyst complexes for olefin...

Details Supported homogenous catalyst complexes for olefin... Supported homogenous catalyst complexes for olefin...

C - Chemistry, Metallurgy

08

F

C08F 4/643 (2006.01) C08F 10/00 (2006.01) C08F 36/00 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 110/02 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2146012

A supported catalyst complex having a Group 4 metal cyclopentadienyl derivative and an aluminoxane reacted with silica which show improved resistance to catalyst poisoning. The supported catalyst composition is particularly suitable for producing homogeneous ethylene polymers and copolymers having a narrow molecular weight distribution. The invention further includes the process of preparing the supported catalyst compositions and their use as olefin polymerization catalysts. The catalyst sup- port is prepared by contacting silica with an aluminoxane, preferably either methylaluminoxane or modified methylaluminoxane.

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