Method for producing olefin polymers

Details Method for producing olefin polymers Method for producing olefin polymers

1977-06-27

1979-09-18

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 252431R, 526137, 526282, 526283, 526348, 5263486, 526352, C08F 468, C08F 1002

Patent

active

041683587

ABSTRACT:
In a method for producing olefin polymers which comprises polymerizing ethylene monomer alone, or two components comprising ethylene and .alpha.-olefins of the formula, CH.sub.2 .dbd.CHR (in which R is a straight or branched alkyl group having 1 to 6 carbon atoms), or three components comprising ethylene, said .alpha.-olefin and one or more of straight or cyclic diene or polyene monomers having a non-conjugated double bond, in the presence of a catalyst, the improvement which comprises using a catalyst system comprising (1) an organo-aluminum compoum, (2) a 3- to 5-valent vanadium compound soluble in organic inert solvents, and (3) (A) a compound of the formula, ##STR1## (in which R' is a group having a straight or cyclic ether linkage, and X is a halogen atom), or (B) a reaction product of phosphorus pentachloride with an alcohol as an activating agent.

REFERENCES:
patent: 3161628 (1964-12-01), Dort et al.
patent: 3301834 (1967-01-01), Christman
patent: 3534006 (1970-10-01), Kamaishi et al.
Brewster, Organic Chemistry, Prentice-Hall, Inc., N.Y. (1948), p. 117.

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