Process for preparing perfluoropolyethers

Details Process for preparing perfluoropolyethers Process for preparing perfluoropolyethers

C - Chemistry, Metallurgy

25

B

C25B 3/00 (2006.01) C07C 43/12 (2006.01) C25B 3/10 (2006.01)

Patent

CA 2098477

HOE 92/H 016 Process for preparing perfluoropolyethers ABSTRACT OF THE DISCLOSURE Perfluoropolyethers of the formula Image in which x and y are an integer from 1 to 4, can be obtained by electrolytic decarboxylation of perfluorocarboxylic acid of the formula Image in which x is an integer from 1 to 4. The electrolytic decarboxylation is carried out in an aqueous electrolyte fluid in the presence of aliphatic nitrile having an alkyl radical of from 1 to 6 carbon atoms.

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