Manufacture of homopolymers and copolymers of .alpha.-monoolefin

Details Manufacture of homopolymers and copolymers of .alpha.-monoolefin Manufacture of homopolymers and copolymers of .alpha.-monoolefin

1978-03-03

1980-06-17

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 526158, 526351, C08F 466, C08F 1006

Patent

active

042084970

ABSTRACT:
A process for the manufacture of homopolymers and copolymers of .alpha.-monoolefins by polymerizing the monomer or monomers at relatively low temperatures under relatively low pressures by means of a Ziegler-Natta catalyst comprising (I) a titanium trichloride component and (II) an aluminum-alkyl component, wherein the titanium trichloride component (I) employed is obtained by exposing a conventional catalyst component consisting, or substantially consisting, of titanium trichloride, to a carbon monoxide atmosphere under specific conditions. Catalysts obtained from titanium trichloride components (I) which have been treated in this way exhibit a relatively long induction period.

REFERENCES:
patent: 3058963 (1962-10-01), Vanderberg
patent: 3067190 (1962-12-01), Rottig

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