Process for oligomerizing olefins

Details Process for oligomerizing olefins Process for oligomerizing olefins

1981-01-22

1983-06-07

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

585512, C07C 202

Patent

active

043872620

ABSTRACT:
A process for oligomerizing olefins uses a catalyst composition obtained by contacting (a) bivalent nickel compound with (b) a hydrocarbylaluminum compound of the formula Al R.sub.x X.sub.y where R is a monovalent hydrocarbon radical, X is halogen, x is from 1 to 1.5, y is from 1.5 to 2, x+y being equal to 3, and (c) a Bronsted acid consisting preferably of a halogenocarboxylic acid of the formula R.sub.1 COOH in which R.sub.1 is a halogenoalkyl radical of the formula C.sub.m H.sub.p X.sub.q X being halogen, m an integer from 1 to 3, p being zero or an integer and q being an integer, the condition p+q=2m+1 being fulfilled. A preferred Bronsted acid is of the formula R.sub.2 COOH in which R.sub.2 is a halogenomethyl group of the formula CX.sub.n H.sub.3-n, X being halogen and n an integer from 1 to 3.

REFERENCES:
patent: 3542695 (1970-11-01), Dawans et al.
patent: 3728283 (1973-04-01), Chauvin et al.
patent: 3928303 (1975-12-01), Yasui et al.
patent: 3937745 (1976-02-01), Wideman et al.

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