Halogenated catalyst for ethylene polymerization containing a tr

Details Halogenated catalyst for ethylene polymerization containing a tr Halogenated catalyst for ethylene polymerization containing a tr

1982-07-19

1984-08-14

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...

502107, 502117, 502125, 502133, 502134, 526124, 526125, C08F 462, C08F 464, C08F 468

Patent

active

044657811

ABSTRACT:
A halogen-containing catalyst for the polymerization of ethylene or copolymerization of ethylene and .alpha.-olefins having from 3 to 8 carbon atoms and a process for their preparation. The catalyst has the general formula: M.sub.n Mg(OR).sub.2-m X.sub.m+4n, wherein M is a metal of groups IVa to VIa of the Periodic Tables, X is a halogen, R is an alkyl radical containing from 1 to 4 carbon atoms, 0<m<2, and 0.05<n<1.

REFERENCES:
patent: 3412174 (1968-11-01), Kroll
patent: 3969332 (1976-07-01), Gloridd et al.
patent: 4115319 (1978-09-01), Scata et al.
patent: 4224184 (1980-09-01), Staiger

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