Process for preparing peroxidic perfluoropolyethers

Details Process for preparing peroxidic perfluoropolyethers Process for preparing peroxidic perfluoropolyethers

C - Chemistry, Metallurgy

08

G

C08G 65/00 (2006.01)

Patent

CA 2045470

A process is disclosed for preparing peroxidic perfluoropolyethers containing perfluoroalkylenoxy units (CF2-CF20) and (CF20), which is characterized in that tetrafluoroethylene and oxygen are reacted in a solvent at a temperature not exceeding 50°C and in the presence of one or more compounds having one or more F-X bonds, in which X is selected from the group consisting of F, O and Cl.

Procédé pour préparer de perfluoropolyéthers peroxydiques contenant des unités perfluoroalcoylènoxy (CF2-CF2O) et (CF2O). On fait réagir le tétrafluoroéthylène avec de l'oxygène dans un solvant à une température ne dépassant pas 50°C en présence d'un ou de plusieurs composés présentant une ou plusieurs liaisons F-X, où X est choisi dans le groupe comportant F, O et Cl.

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