Olefin polymerization catalyst compositions and polymerization p

Details Olefin polymerization catalyst compositions and polymerization p Olefin polymerization catalyst compositions and polymerization p

1985-06-04

1987-04-14

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526125, C08F 464, C08F 1006

Patent

active

046579958

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

REFERENCES:
patent: 4365048 (1982-12-01), Ueno et al.
patent: 4414132 (1983-11-01), Goodall et al.
patent: 4442225 (1984-04-01), Takitani et al.
patent: 4460701 (1984-07-01), Terano et al.
patent: 4472521 (1984-09-01), Band

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