Catalyst components for polymerization catalysts of...

Details Catalyst components for polymerization catalysts of... Catalyst components for polymerization catalysts of...

C - Chemistry, Metallurgy

08

F

252/109, 402/566

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

Patent

CA 1300121

Abstract The invention concerns catalyst components for such polymerization catalyst of ?-olefines that consist of an organoaluminium compound, an electron donor as well as a solid catalyst component which has been obtained when a compound containing magnesium reacts with a titanium halogen compound, and a method for the production of the catalyst components. The catalyst component is manufactured by bringing a solid catalyst component which has been produced by a) allowing a magnesium alkyl compound to react with a chlorinating compound, b) dissolving the chlorinated magnesium alkyl compound in alcohol after possible washing, c) adding into the solution magnesium silicate which has been calcin- ated by heating at 200-600°C, d) adding the mixture obtained in stage c) in a cold medium to pre- cipitate the magnesium compound to the magnesium silicate carrier, e) separating the obtained solid carrier component, to react with a titanium halogen compound in the presence of an intern- al electron donor.

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