Process for the preparation of perfluorinated ethers

Details Process for the preparation of perfluorinated ethers Process for the preparation of perfluorinated ethers

C - Chemistry, Metallurgy

07

C

C07C 43/12 (2006.01) C07C 41/18 (2006.01) C07C 59/135 (2006.01) C08G 65/00 (2006.01) C08G 65/32 (2006.01)

Patent

CA 2071700

HOE 91/F 185 Abstract of the Disclosure Process for the preparation of perfluorinated ethers The invention relates to a process for the preparation of perfluorinated ethers of the formula R - CF2 - CF3, in which R is the radical CF3(CF2)2-O-[-CF(CF3)CF2-O)n-, in which n is an integer from 0 to 60, by decarbonylation of perfluoroether-acyl fluorides of the formula R - CF(CF3)-COF at 150-350°C in the presence of AlCl3 and/or AlBr3.

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