Preparation of homopolymers and copolymers of .alpha.-monoolefin

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

1981-05-28

1983-05-24

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, 526351, 526906, C08F 464, C08F 1000

Patent

active

043851606

ABSTRACT:
Alpha-olefins are polymerized with a catalyst containing (1) TiCl.sub.3 /AlCl.sub.3 and (2) aluminum dialkyl chloride wherein (1) is prepared by milling the TiCl.sub.3 /AlCl.sub.3 with a particular phosphorous compound under special conditions and then treating with a liquid hydrocarbon and an ether and/or ester.

REFERENCES:
patent: 3701763 (1972-10-01), Wada et al.
patent: 3977997 (1976-08-01), Schick et al.
patent: 4260710 (1981-04-01), Staiger et al.

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