Process for the preparation of pure hexafluoropropylene oxide

Details Process for the preparation of pure hexafluoropropylene oxide Process for the preparation of pure hexafluoropropylene oxide

1982-02-25

1982-11-09

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

549541, B01D 340, C07D30132

Patent

active

043583482

ABSTRACT:
The separation of mixtures of hexafluoropropylene oxide and hexafluoropropylene is effected by extractive distillation in the presence of methylene chloride, whereby an excellent separating effect is achieved at a low energy consumption.

REFERENCES:
patent: 3101304 (1963-08-01), Wiist
patent: 3326780 (1967-06-01), Wiist
patent: 4134796 (1979-01-01), Oda et al.

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