Polymerizing olefins with a novel catalyst

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

1982-10-19

1984-02-28

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526129, 526351, C08F 402, C08F 1000

Patent

active

044342810

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: 3787384 (1974-01-01), Stevens et al.
patent: 4081589 (1978-03-01), Peters et al.
patent: 4210738 (1980-07-01), Hermans et al.

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