Preparation of an active ticl.sub.3 catalyst

Details Preparation of an active ticl.sub.3 catalyst Preparation of an active ticl.sub.3 catalyst

1979-11-08

1981-03-31

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 260 336PQ, 526139, 526140, 526141, 526159, 526351, 526908, C08F 464

Patent

active

042594669

ABSTRACT:
A titanium trichloride-catalyzed process for stereospecific polymerization of alpha-olefins, particularly propylene, to produce polymers of relatively high bulk density comprises employing as the TiCl.sub.3 catalyst component, used with an aluminum alkyl cocatalyst, a 0.1 to 30 millimicron fraction of a TiCl.sub.3 composition produced by

REFERENCES:
patent: 3681256 (1972-08-01), Blunt
patent: 3864278 (1975-02-01), La Heij et al.
patent: 3919180 (1975-11-01), Furukawa et al.
patent: 4110248 (1978-08-01), Sandis et al.

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