Titanium trichloride catalyst and process for the production the

Details Titanium trichloride catalyst and process for the production the Titanium trichloride catalyst and process for the production the

1979-07-20

1983-08-30

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526139, 526140, 526141, 526144, 526351, C08F 464, C08F 1004

Patent

active

044017995

ABSTRACT:
A titanium trichloride catalytic complex is produced by reducing titanium tetrachloride with an organo-metal compound and then treating the resulting reduced solids product with a chlorinated saturated aliphatic hydrocarbon having three to eight carbon atoms in the presence of a complexing agent. The resulting titanium trichloride complex composition, when employed as a co-catalyst with an organo-metal compound for Ziegler-type catalysts in polymerization of .alpha.-olefins, results in uniform polymer grains with unexpectedly high polymerization activity and high stereoregular polymer yielding ratios.

REFERENCES:
patent: 3701763 (1972-10-01), Wada et al.
patent: 3825524 (1974-07-01), Wada et al.
patent: 3850899 (1974-11-01), Wada et al.
patent: 4028481 (1977-06-01), Shiomura et al.
patent: 4048415 (1977-09-01), Matsuzawa et al.
patent: 4321346 (1982-03-01), Ueno et al.

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