Catalyst component for ethylene polyermization and copolymerizat

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...

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502115, 502119, 502125, C08F 464

Patent

active

050631888

ABSTRACT:
A catalyst component, adapted for use in the polymerization and copolymerization of ethylene, is formed by reaction of an organomagnesium compound and a tetraaalkyl silicate, contact of the resulting product with a chlorinating reagent, and treatment of the product from the previous step with liquid titanium halide.

REFERENCES:
patent: 4396533 (1983-08-01), Johnstone
patent: 4780443 (1988-10-01), Matsuura et al.

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