Method of preparing catalyst composition for polymerizing olefin

Details Method of preparing catalyst composition for polymerizing olefin Method of preparing catalyst composition for polymerizing olefin

1996-01-19

1997-10-14

Caldarola, Glenn A.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502104, 502111, 502120, 502124, 502125, 502126, 502127, 502132, 502134, 5261246, C08F 444, C08F 402, B01J 3100, B01J 3700

Patent

active

056772564

ABSTRACT:
An olefin polymerization catalyst composition is prepared by adding an organometallic compound of a group IA to IIIA metal to a procatalyst containing a support impregnated with TiCl.sub.4 but without using free TiCl.sub.4 to impregnate the support. The procatalyst is prepared by stirring a carrier with magnesium dichloride and a titanium tetralkoxide in a hydrocarbon solvent containing an electron donor, evaporating the solvent and the donor to form a free-flowing powder and chlorinating the titanium tetralkoxide with an alkyl aluminum chloride.

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