Method for producing perfluoroether oligomers having terminal ca

Details Method for producing perfluoroether oligomers having terminal ca Method for producing perfluoroether oligomers having terminal ca

1975-07-21

1978-09-12

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C07C 5922

Patent

active

041137728

ABSTRACT:
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 fluorination and significant yields of the desired oligomer are obtained.

REFERENCES:
patent: 3250806 (1966-05-01), Fritz
patent: 3250807 (1966-05-01), Warnell
Lovelace, A. M. et al., Aliphatic Fluorine Compounds, pp. 20-23.

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