Perfluoropolyethers comprising repeating units obtained from oxidation of perfluorodioxoles

Perfluoropolyethers obtained by oxidation of perfluorodioxoles of formula (I) wherein Rf=-F, -(O)yCnF2n+1 with y=0, 1 and n=1, 2, 3, 4, 5, and with W=-F, -CnF2n+1, optionally in the presence of tetrafluoroethylene and/or hexafluoropropene, and subsequent reduction of the obtained peroxidic perfluoro...

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Bibliographic Details
Main Authors PATTO UGO DE, MARCHIONNI GIUSEPPE
Format Patent
LanguageEnglish
Published 18.12.2003
Edition7
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Perfluoropolyethers obtained by oxidation of perfluorodioxoles of formula (I) wherein Rf=-F, -(O)yCnF2n+1 with y=0, 1 and n=1, 2, 3, 4, 5, and with W=-F, -CnF2n+1, optionally in the presence of tetrafluoroethylene and/or hexafluoropropene, and subsequent reduction of the obtained peroxidic perfluoropolyethers.
Bibliography:Application Number: US20030458308