C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/354
C07D 319/12 (2006.01) H01B 3/24 (2006.01)
Patent
CA 1069912
ABSTRACT OF THE DISCLOSURE Perfluorinated vinyl ethers are prepared by reacting a fluorinated carboxylic acid fluoride with hexafluoropropylene epoxide in the presence of a catalyst and thereafter pyrolyzing the carboxylic acid fluoride containing ether linkages, optionally after having converted it into a salt of a mono- valent metal. They are useful as intermediates in the production of saturated fluorinated ethers which may be used as heat transferring agents, dielectric agents, lubricants and solvents.
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