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 41/01 (2006.01) C07C 41/22 (2006.01) C08G 65/00 (2006.01) C08G 65/323 (2006.01) C10M 105/50 (2006.01) C10M 107/38 (2006.01)

Patent

CA 2082883

HOE 91/F 361 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 (I) R-CF2-CF3 (I) 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, from compounds of the formula (II) R-[CF(CF3)CF2-O-]CHF-CF3 (II) by heating these at 150-350°C in the presence of at least one of the compounds A1C13, A1Br3 or A1F3.

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