Polyolefin polymerization process, process of producing catalyst

Details Polyolefin polymerization process, process of producing catalyst Polyolefin polymerization process, process of producing catalyst

1993-05-04

1994-09-27

Pal, Asok

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, 502113, 502115, 502119, 526151, B01J 3100, C08F 464

Patent

active

053507240

ABSTRACT:
A process for preparing a polymerization catalyst useful for the polymerization of olefins is provided comprising contacting a magnesium compound and a transition metal halide to form a solid product; contacting the solid product with an organoaluminum halide to form a first catalyst component, and contacting the first catalyst component with an activating agent to form a catalyst. Other aspects of the invention provide a catalyst prepared by the above described method and a polymerization process employing the thus prepared catalyst.

REFERENCES:
patent: 4244838 (1981-01-01), Gessell
patent: 4400302 (1983-08-01), Goodall et al.
patent: 4401589 (1983-08-01), Kioka et al.
patent: 4410451 (1983-10-01), Dietz et al.
patent: 4537870 (1985-08-01), Hawley
patent: 4551439 (1985-11-01), Harada et al.
patent: 4742139 (1988-05-01), Kioka et al.
patent: 4980330 (1990-12-01), Marchand et al.

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