Particles of titanium trichlorides which can be used for the ste

Details Particles of titanium trichlorides which can be used for the ste Particles of titanium trichlorides which can be used for the ste

1979-04-23

1980-07-01

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429A, 423492, 525323, 526159, 526351, 526907, B01J 3138, C08F 464, C01G 2302

Patent

active

042107369

ABSTRACT:
Particles of titanium trichlorides usable for the stereospecific polymerization of alpha-olefines, especially propylene, having been dried until their liquid content is less than 1% by weight relative to the weight of titanium trichloride present in said particles, as well as a process for the preparation of such particles and a process for stereospecific polymerization in the presence thereof.

REFERENCES:
patent: 3146224 (1964-08-01), Coover et al.
patent: 3769233 (1973-10-01), Hermans et al.
patent: 3926848 (1975-12-01), Wristers et al.
patent: 3960765 (1976-06-01), Shiga et al.

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