Solid alpha-olefin polymerization catalyst compounds

Details Solid alpha-olefin polymerization catalyst compounds Solid alpha-olefin polymerization catalyst compounds

1991-09-26

1992-07-21

Garvin, Patrick P.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526124, 502107, 502120, 502127, C08F 406

Patent

active

051323796

ABSTRACT:
A process for preparing a solid catalyst component which comprises halogenating a magnesium compound in the formula MgRR.sup.1.nCO.sub.2 in which R and R.sup.1 are the same or different alkoxy or phenoxy groups and n is a number of from 0 to 2 with a halide of tetravalent titanium in the presence of dialkylester of a dihydric aromatic carboxylic acid and an inert hydrocarbon diluent by reacting at a temperature of from 120.degree. to 136.degree. C. and recovering the solid reaction product from the reaction mixture.

REFERENCES:
patent: 4612299 (1986-09-01), Arzoumanidis et al.

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