Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Silicon containing or process of making
Patent
1991-11-26
1993-02-02
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Silicon containing or process of making
B01J 2106, B01J 2108, B01J 2326, B01J 3703
Patent
active
051837927
ABSTRACT:
The instant invention provides an olefin polymerization catalyst comprising chromium and titanium supported on silica. The catalyst is prepared with a low sodium ammonia-stabilized silica sol which has an average silicate particle size of from about 2 to about 6 nm. The catalyst produces polyethylene or a copolymer of ethylene and another olefin selected from the group consisting of the C.sub.3 to C.sub.8 mono 1-olefins, the polymer having a high melt index and a narrow molecular weight distribution.
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Mitsche Roy T.
Wang Li
Allied-Signal Inc.
Boldingh Mary Jo
Criss Roger H.
McGinty Douglas J.
Shine W. J.
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