High temperature solution polymerization process

Details High temperature solution polymerization process High temperature solution polymerization process

C - Chemistry, Metallurgy

08

F

C08F 4/64 (2006.01) C07F 17/00 (2006.01) C08F 2/04 (2006.01) C08F 2/06 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01) C08F 210/02 (2006.01) C08F 4/659 (2006.01) C08F 110/02 (2006.01)

Patent

CA 2206944

This invention is a solution process for the preparation of high molecular weight ethylene copolymers comprising contacting olefin monomers, with a catalyst system at a polymerization temperature at or above about 80°C with a catalyst system comprising an unbridged Group 4 metal compound having a monocyclopentadienyl ligand, a phosphinimine ligand and at least one uninegative, activation reactive ligand. The process can be practiced at a reaction temperature of at least 80°C to obtain high number average molecular weight polymer.

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