Method for producing perfluoroether oligomers having...

Details Method for producing perfluoroether oligomers having... Method for producing perfluoroether oligomers having...

C - Chemistry, Metallurgy

07

C

260/523.7, 260/5

C07C 59/125 (2006.01) C08G 65/323 (2006.01)

Patent

CA 1069929

METHOD FOR PRODUCING PERFLUOROETHER OLIGOMERS HAVING TERMINAL CARBOXYLIC ACID GROUPS ABSTRACT OF THE DISCLOSURE A method is disclosed for producing perfluoroether oligomers having terminal carboxylic acid groups. In this method, a polyether, such as polyethylene oxide, having a molecular weight higher than the product to be produced is fluorinated in a direct fluorination apparatus. The polyether is fragmented during fluo- rination and significant yields of the desired oligomer are obtained.

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