Process for purifying vinyl fluoride

Details Process for purifying vinyl fluoride Process for purifying vinyl fluoride

1974-04-24

1976-10-19

Horwitz, D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260656R, 260 4227, C07C 2118, C07C 1738

Patent

active

039871177

ABSTRACT:
Vinyl fluoride having an impurities content of less than 100 parts per million; a method of preparing vinyl fluoride with an impurities content of less than 100 parts per million which comprises contacting gaseous vinyl fluoride with a finely divided copper containing catalyst composition at a temperature of between 0.degree. and 100.degree. C.; a polyvinyl fluoride organosol having an organosol viscosity, determined in a 40 wt.% suspension in propylene carbonate of 20 to 100 cP; a method of producing a polyvinyl fluoride which when suspended in a suspension in polypropylene carbonate in an amount of 40 wt.% has an organosol viscosity of about 20 to 100 cP. which comprises heating vinyl fluoride in an aqueous medium containing a water soluble azo initiator at a pressure less than 140 kp./cm.sup.2 at a temperature of 60.degree.-85.degree. C.

REFERENCES:
patent: 2407405 (1946-09-01), Dietrich et al.
patent: 2889378 (1959-06-01), Boettger et al.
patent: 3737471 (1973-06-01), Paucksch et al.
patent: 3804910 (1974-04-01), Furrow

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