Process for the dimerization of C.sub.8 -C.sub.20 olefins and th

Details Process for the dimerization of C.sub.8 -C.sub.20 olefins and th Process for the dimerization of C.sub.8 -C.sub.20 olefins and th

1979-03-23

1980-05-27

Davis, C.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

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

585520, C07C 310

Patent

active

042051959

ABSTRACT:
C.sub.8 -C.sub.20 olefins are dimerized in the presence of hydrofluoric acid, by (1) contacting for about 1 to 30 minutes, at least one C.sub.8 -C.sub.20 olefin with liquid hydrofluoric acid at a temperature of between about -20.degree. C. and +60.degree. C., in a molar ratio of hydrofluoric acid to olefin of between about 1:1 and 50:1; (2) immediately after the contacting, the hydrofluoric acid present is removed almost instantaneously from the dimerization medium; (3) a defluorination of the said medium is effected; and (4) the resultant oledimers are recovered.

REFERENCES:
patent: 2462360 (1949-02-01), Carnell
patent: 2563051 (1951-08-01), Linn
patent: 2656303 (1953-10-01), Lee et al.
patent: 2830106 (1958-04-01), Good et al.
patent: 3422162 (1969-01-01), Oldham et al.
patent: 3953538 (1976-04-01), Boney

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