Process for preparing a polymerization catalyst and...

Details Process for preparing a polymerization catalyst and... Process for preparing a polymerization catalyst and...

C - Chemistry, Metallurgy

08

F

402/626, 252/52.

C08F 4/62 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1190209

ABSTRACT OF THE DISCLOSURE Process for preparing and treating a chromium-containing catalyst so that when the catalyst is activated the risk of explosion is substantially reduced. The catalyst comprises a complex of chromium and optionally other transi- tion metal complexes reacted with one or more organometallic compounds of a metal of group II or III of the periodic table, which metal contains hydrocarbyl groups of 1-20 carbon atoms. The reaction product is applied to an inert inorganic support to form the catalyst component which is deactivated by treatment with oxygen or an alcohol to modify or replace residual hydrocarbyl groups. The catalyst component may be activated to form the catalyst by heating in the range 200-1200°C. The catalyst is used to catalyze a polymerization of alpha-olefins.

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