Catalyst containing an aromatic silicon compound for the polymer

Details Catalyst containing an aromatic silicon compound for the polymer Catalyst containing an aromatic silicon compound for the polymer

1984-03-28

1985-08-27

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...

502105, 502113, 502117, 502125, 526114, 526115, 526125, 526128, C08F 464, C08F 468, C08F 462

Patent

active

045378681

ABSTRACT:
A catalyst for the polymerization of ethylene comprising at least one halogenated compound of a transition metal of Groups IV to VI of the Periodic System and at least one aromatic silicon compound having the formula .phi..sub.n Si(OH).sub.4-n, in which .phi. is a substituted or unsubstituted aromatic or polyaromatic ring compound having from 6 to 15 carbon atoms and 1.ltoreq.n.ltoreq.3, said silicon compound being present in a molar ratio of between 0.2 and 2 inclusive with respect to said transition metal. Polymerization of ethylene may be carried out under a pressure of between 200 to 2500 bars and at a temperature of between 170.degree. and 300.degree. C. with the catalyst of this invention.

REFERENCES:
patent: 3135809 (1964-06-01), Bosmajian
patent: 3243552 (1981-01-01), Welch et al.
patent: 3440179 (1969-04-01), Bayer et al.
patent: 3558587 (1971-01-01), Bayer et al.
patent: 3701763 (1972-10-01), Wada et al.
patent: 3850899 (1974-11-01), Wada et al.

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