Perfluoropolyether mit Mono- und Bishypofluoritendgruppen und Verfahren zu ihrer Herstellung

• Main Authors: MARCHIONI, GIUSEPPE, I-20133 MILANO, IT, STACCIONE, ANNA, I-20100 MILANO, IT
• Format: Patent
• Language: German
• Published: 31.08.1995
• Edition: 6
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

Mono or difunctional perfluoropolyethers with hypofluorite end groups and a process for preparing them, which comprises reacting a perfluoropolyether having at least a fluoroformate end group or containing one or more peroxy groups -OCF2OOCF2O-, with fluorine in the liquid phase at a temperature ran...