Polymerizing olefins with a novel catalyst

Details Polymerizing olefins with a novel catalyst Polymerizing olefins with a novel catalyst

1981-01-23

1983-03-08

Garvin, Patrick

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

526129, C08F 402, C08F 464

Patent

active

043760619

ABSTRACT:
There is provided a solid, particulate, catalytic complex suitable for the stereospecific polymerization of olefins prepared by reducing TiCl.sub.4, contacting the resultant reduced solid with a complexing agent to obtain a treated solid and contacting the treated solid with TiCl.sub.4 in the presence of silica which has been treated with an alkylaluminum halide. When such a catalyst complex is combined with a suitable activator to polymerize olefins, a high degree of stereospecificity is attained, the activity of the catalyst complex is reduced for polymerization control and the efficiency of the titanium employed is enhanced.

REFERENCES:
patent: 3784481 (1974-01-01), Lassau et al.
patent: 3984350 (1976-10-01), Karayannis et al.
patent: 4085064 (1978-04-01), Wristers
patent: 4127504 (1978-11-01), Veno et al.

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