Components and catalysts for the polymerization of ethylene

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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502103, 502104, 502111, 502119, 502125, 502126, 502127, 502133, 502134, C09F 460

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active

053004701

ABSTRACT:
Solid catalyst components for the preparation of catalysts capable of producing polymers and copolymers of ethylene with ultra high molecular weight are obtained in the form of particles having an average diameter of less than 10 micrometers, by way of reaction, in the presence of H.sub.2 O, between:

REFERENCES:
patent: 3135809 (1964-06-01), Bosmajian
patent: 4098979 (1978-07-01), Maemoto et al.
patent: 4218339 (1980-08-01), Zucchini et al.
patent: 4296223 (1981-10-01), Berger

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