Catalyst compositions and catalytic processes

Details Catalyst compositions and catalytic processes Catalyst compositions and catalytic processes

1995-05-25

1997-09-23

Wu, David

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502117, 502237, 502242, 502256, 502309, 502319, C08F 424

Patent

active

056704380

ABSTRACT:
Catalyst compositions are provided that comprise (a) discrete silica particles; (b) chromium; and (c) a support comprising silica. These composition are useful in polymerizing ethylene or copolymerizing ethylene with a comonomer and provide better control over the molecular weight and the molecular weight distribution of a resulting polymer.

REFERENCES:
patent: 4454293 (1984-06-01), McDaniel

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