Dimerization of butenes containing isobutene to minimize 2,2,4-t

Details Dimerization of butenes containing isobutene to minimize 2,2,4-t Dimerization of butenes containing isobutene to minimize 2,2,4-t

1978-12-15

1980-09-30

Davis, C.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

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

585511, 585521, C07C 310

Patent

active

042257433

ABSTRACT:
In a dimerization of butenes containing isobutene, a formation of 2,2,4-trimethyl pentenes is minimized by using a specific nickel catalyst solution and an organoaluminum catalyst. The specific nickel catalyst is a nickel salt of a fatty acid having 1.5 to 40 wt. % of a free fatty acid and less than 0.1 wt. % of water.
The C.sub.8 olefins having less 2,2,4-trimethyl pentenes obtained by the dimerization are quite important to produce excellent plasticizer.

REFERENCES:
patent: 3321546 (1967-05-01), Roest et al.
patent: 3355510 (1967-11-01), Cannell et al.
patent: 3592869 (1971-07-01), Cannell

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