Bis-phosphinimine catalyst

Details Bis-phosphinimine catalyst Bis-phosphinimine catalyst

C - Chemistry, Metallurgy

08

F

C08F 4/60 (2006.01) C07F 7/00 (2006.01) C07F 7/28 (2006.01) C07F 9/535 (2006.01) C08F 4/62 (2006.01) C08F 4/64 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01) C08F 4/659 (2006.01) C08F 110/02 (2006.01)

Patent

CA 2243783

Organometallic complexes having two phosphinimine ligands and at least one activatable ligand are catalyst components for olefin polymerization. Preferred polymerization systems are prepared by combining the organometallic complexes with an ionic activator and/or an alumoxane. Preferred catalyst components contain titanium, zirconium, or hafnium and are activated with an ionic activator to form catalysts for ethylene polymerization.

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