Method of purifying hexafluoropropylene oxide

Details Method of purifying hexafluoropropylene oxide Method of purifying hexafluoropropylene oxide

1977-11-17

1979-01-16

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

26034836, 260648F, 260652P, 2606533, B01D 340, C07D30132

Patent

active

041347960

ABSTRACT:
A process for a separation of hexafluoropropylene oxide from hexafluoropropylene by an extractive distillation in the presence of a normally liquid inert compound such as 1,2-dichloroethane, monochlorobenzene, di-isopropyl ether and 1,1,2-trichloroethane.

REFERENCES:
patent: 3101304 (1963-08-01), Wiist
patent: 3282801 (1966-11-01), Wiist
patent: 3326780 (1967-06-01), Wiist

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