Process for purifying perfluoro(propylvinylether)

Details Process for purifying perfluoro(propylvinylether) Process for purifying perfluoro(propylvinylether)

1991-03-29

1993-08-24

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

528501, C08F 606

Patent

active

052390551

ABSTRACT:
Pure perfluoro(propylvinylether) is obtained by extractive distillation of crude perfluoro(propylvinylether) containing a hydrogen fluoride adduct of perfluoro(propylvinylether), which is obtained by gas phase or liquid phase thermal decomposition of perfluoro(2-propoxypropionyl)fluoride, in the presence of a ketone having a boiling point of 100.degree. C. of higher.

REFERENCES:
patent: 3114778 (1963-12-01), Fritz
patent: 3132123 (1964-05-01), Harris et al.
patent: 3250808 (1966-05-01), Moore
patent: 3321532 (1967-05-01), Lorenz
patent: 3449218 (1969-06-01), Jaeger

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