Method of polymerizing .alpha.-olefins

Details Method of polymerizing .alpha.-olefins Method of polymerizing .alpha.-olefins

1976-08-10

1977-11-08

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, 526122, 526124, 526128, 526132, 526137, 526139, 526140, 526141, 526143, 526349, 526351, 526352, 526906, C08F 466, C08F 1006

Patent

active

040576809

ABSTRACT:
In the method of polymerizing .alpha.-olefins by contacting an .alpha.-olefin under polymerization conditions with a stereospecific catalyst comprising a titanium trichloride component and an organoaluminium compound, the improvement wherein said titanium trichloride component is ground during or after contact with a treating agent, said treating agent being selected from at least one of

REFERENCES:
patent: 3116274 (1963-12-01), Boehm et al.
patent: 3129208 (1964-04-01), Jezl et al.
patent: 3178401 (1965-04-01), Coover et al.
patent: 3219648 (1965-11-01), Hill
patent: 3530107 (1970-09-01), Yoshioka et al.
patent: 3573270 (1971-03-01), Trementozzi et al.
patent: 3701763 (1972-10-01), Wada et al.

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