Olefin polymerization catalyst

Details Olefin polymerization catalyst Olefin polymerization catalyst

1982-09-30

1984-04-03

Garvin, Patrick

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

Catalyst or precursor therefor

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

502117, 502119, 502133, 502134, 502125, 526124, 526125, C08F 464, C08F 468, C08F 462

Patent

active

044408692

ABSTRACT:
High activity catalysts for the polymerization of ethylene and other .alpha.-olefins are made by contacting a soluble magnesium compound of the general formula Mg(OSiR.sub.3).sub.2, wherein each R is, independently, alkyl, alkoxy or aryl, with a titanium tetralkoxide (titanate) in a saturated aliphatic hydrocarbon solution, followed by chlorination and precipitation by a suitable chlorinating agent. These catalysts show high activity for the polymerization of ethylene under slurry polymerization conditions.

REFERENCES:
patent: 3135809 (1964-06-01), Bosmajian
patent: 4218339 (1980-08-01), Zucchini et al.
patent: 4374755 (1983-02-01), Berge et al.

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