Preparation of perfluoropolyethers having at least one...

Details Preparation of perfluoropolyethers having at least one... Preparation of perfluoropolyethers having at least one...

C - Chemistry, Metallurgy

08

F

C08F 14/18 (2006.01) C08G 65/00 (2006.01) C08G 65/322 (2006.01) B01J 21/18 (2006.01) B01J 23/46 (2006.01)

Patent

CA 2467152

A process for preparing perfluoropolyethers having at least one -CH2OH or -CH(CF3)OH end group by reaction of the corresponding pefluoropolyethers having at least one carboxylic -COOH or ketonic -(CF3)C=O end group with gaseous hydrogen, between 80°C and 140°C, in the presence of hydrogenation catalysts.

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