Polymerization catalyst and method

Details Polymerization catalyst and method Polymerization catalyst and method

1981-06-04

1985-07-23

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...

502117, 502120, 502124, 502125, 502128, 526128, 526129, C08F 402

Patent

active

045309124

ABSTRACT:
A catalyst and method in which the catalyst is used in association with an aluminum cocatalyst in the polymerization and copolymerization of 1-olefins. The catalyst is prepared by reacting certain multifunctional organic silicon compounds (silanes) with silica, alumina or the like having surface hydroxyl groups, or a mixture thereof, in which the silicon compound reacts with these surface hydroxyl groups, followed by reacting the product of this with a halide or alkoxide of a Group IVB or VB transition metal such as titanium, vanadium, zirconium or mixtures of these and finally reacting this product with a Group IIA organometallic compound or compounds such as magnesium and calcium. The Group IIA organometallic compound can also be added before these transition metal compounds.

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