Silicate-modified magnesium alkoxide polymerization catalysts

Details Silicate-modified magnesium alkoxide polymerization catalysts Silicate-modified magnesium alkoxide polymerization catalysts

1988-09-06

1989-10-17

Garvin, Patrick P.

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

Catalyst or precursor therefor

Organic compound containing

502104, 502107, 502111, 502125, 502134, 502158, 502133, C08F 464

Patent

active

048747378

ABSTRACT:
A process is disclosed for improving the productivity of a polymerization catalyst formed from a magnesium alkoxide which normally undergoes poor metathesis towards production of magnesium chloride. The process comprises treating the magnesium alkoxide with a silane alkoxide at or above the temperature at which the alcohol which is formed dissociates from the alkoxide prior to subjecting the magnesium alkoxide to metathesis.

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patent: 4511669 (1985-04-01), Gessell
patent: 4552858 (1985-11-01), Imai et al.
patent: 4590247 (1986-05-01), Morguet et al.
patent: 4710482 (1987-12-01), Job
patent: 4780441 (1988-10-01), Graroff

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