Purification of fluorinated carboxylic acids

Details Purification of fluorinated carboxylic acids Purification of fluorinated carboxylic acids

C - Chemistry, Metallurgy

07

C

C07C 53/21 (2006.01) C07C 51/48 (2006.01) C07C 51/487 (2006.01)

Patent

CA 2094557

HOE 92/F 904 Abstract Purification of fluorinated carboxylic acids Fluorinated carboxylic acids which do not have the required purity for use as emulsifier in the polymeriz- ation of fluorinated monomers can, if necessary after prior de-watering, be treated with oxidants, whereupon the isolation of the pure product is carried out by crystallisation or, preferably, by distillation.

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