Process for the polymerization of olefins and catalysts therefor

Details Process for the polymerization of olefins and catalysts therefor Process for the polymerization of olefins and catalysts therefor

1971-10-01

1979-03-13

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429R, 252429B, 252429C, 526114, 526115, 526122, 526124, 526352, C08F 402, C08F 1002

Patent

active

041443900

ABSTRACT:
This invention relates to the polymerization of .alpha.-olefins and to catalysts and cocatalysts for that purpose wherein the polymerization is carried out in the presence of a catalyst comprising an organometallic compound of a metal of Groups Ia, IIa, IIb, IIIa, and IVa of the Periodic Table and a solid cocatalyst comprising the reaction product of a halogenating agent, an organic oxygenated compound of a divalent metal, and a derivative of a transition metal of Groups IVb, Vb, and VIb of the Periodic Table, the proportions of halogenating agent and organic oxygenated compound being that required to result in a reaction product thereof having an atomic ratio of halogen/divalent metal greater than 1. The invention also comprises the method of making the cocatalysts.

REFERENCES:
patent: 3268290 (1966-08-01), Gaska et al.
patent: 3644318 (1972-02-01), Diedrich et al.
patent: 3676415 (1972-07-01), Diedrich et al.
Khristov et al., Chemical Abstracts, vol. 61, col. 9161c, Oct. 1964.

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