Polymerization catalyst

Details Polymerization catalyst Polymerization catalyst

1984-06-29

1985-11-19

Garvin, Patrick P.

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

Catalyst or precursor therefor

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

502104, 526114, C08F 464

Patent

active

045542651

ABSTRACT:
An olefin polymerization catalyst produced by treating an inert support material, preferably a hydrated high surface area silica support having 1.00 to 1.50 hydroxyls per gram of silica with the reaction product of an organomagnesium compound and first a zirconium compound then a halogenator and tetravalent titanium compound, which when used as a cocatalyst with an organoaluminum compound produces polymers having broad molecular weight distribution.

REFERENCES:
patent: 3094568 (1963-06-01), Hay et al.
patent: 3678025 (1972-07-01), Birrell
patent: 4192772 (1980-03-01), Berger et al.
patent: 4210559 (1980-07-01), Melquist et al.
patent: 4471066 (1984-09-01), Sakurai et al.

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