Ziegler-natta catalyst for high temperature polymerization

Details Ziegler-natta catalyst for high temperature polymerization Ziegler-natta catalyst for high temperature polymerization

C - Chemistry, Metallurgy

08

F

C08F 4/646 (2006.01) C08F 2/04 (2006.01) C08F 4/643 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2557410

A magnesium titanium olefin polymerization procatalyst is prepared by A) reacting a diorganomagnesium compound with a source of active chlorine, (with the proviso that the amount of chlorine is insufficient to completely convert the diorganomagnesium to magnesium dichloride); then B) removing unreacted diorganomagnesium from the reaction product; then depositing a tetravalent titanium species on the reaction product. This procatalyst is highly active for the solution polymerization of olefins when combined with a cocatalyst.

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