Olefin polymerization catalyst compositions and a process for th

Details Olefin polymerization catalyst compositions and a process for th Olefin polymerization catalyst compositions and a process for th

1981-10-30

1983-11-08

Garvin, Patrick

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

Catalyst or precursor therefor

Organic compound containing

526125, 526124, C08F 464

Patent

active

044141327

ABSTRACT:
A highly active and stereoselective olefin polymerization catalyst component is obtained by halogenating a magnesium compound of the formula MgR.sub.1 R.sub.2 wherein R.sub.1 is an alkoxide or aryloxide group and R.sub.2 is an alkoxide or aryloxide group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon and an electron donor, and contacting the halogenated product with a tetravalent titanium halide.

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