Catalysts for polymerizing olefins and methods

Details Catalysts for polymerizing olefins and methods Catalysts for polymerizing olefins and methods

1992-07-13

1994-11-08

Dees, Carl F.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526119, 502 62, 502 63, 502 84, C08F 4654, C08F 444, B01J 2116

Patent

active

053628250

ABSTRACT:
Pillared clay based high activity olefin polymerization catalysts, methods of producing the catalysts and methods of using the catalysts in the polymerization of olefins are provided. The methods of producing the catalysts each basically comprise contacting a pillared clay with the soluble complex produced by heating a mixture of a metal dihalide with a transition metal compound to produce a solid, and then reacting the solid with an organoaluminum halide. The process produces catalyst components shaped like dipyramidal or generally "football"-shaped crystals.

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patent: 4176090 (1979-11-01), Vaughan et al.
patent: 4248738 (1981-02-01), Banasiak
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patent: 4394291 (1983-07-01), Hawley
patent: 4719271 (1988-01-01), Dietz
patent: 4963518 (1990-10-01), Landau et al.
patent: 5024982 (1991-06-01), Hawley et al.

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