Olefin polymerization catalyst components and a process for...

Details Olefin polymerization catalyst components and a process for... Olefin polymerization catalyst components and a process for...

C - Chemistry, Metallurgy

08

F

252/105, 402/636

C08F 4/16 (2006.01) C08F 4/64 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1157002

A B S T R A C T A process for the preparation of an olefin polymerization catalyst component which comprises contacting a solid composition obtained by combining a substantially anhydrous magnesium halide, an electron donor and a tetravalent titanium compound, this composition being substantially free from aluminium compounds, with a liquid medium comprising a halide of B, Al, Ca, In, Tl, Sn or Sb, these elements being present in their highest valency state or a halide of tetravalent Te, and removing from the catalyst component substantially all metal halide originating from the liquid medium by washing the catalyst component with a hydrocarbon or halohydrocarbon diluent.

363420

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