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US 8,557,952 B2Granted
Polyfunctional (per)fluoropolyethers
AssigneeSolvay Solexis S.p.A.
InventorsGiuseppe Marchionni, Silvia Petricci, Pier Antonio Guarda
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Abstract
The invention pertains to novel (per)fluoropolyethers comprising at least one (per)fluoropolyoxyalkylene chain (chain Rf) comprising at least one recurring unit (R2) having formula: CF2—CF(CF2OSO2F)—O— (poly(fluorosulfate) PFPE) to a process for their manufacture, and to their use for providing functional (per)fluoropolyethers.
Claims16
A (per)fluoropolyether comprising at least one (per)fluoropolyoxyalkylene chain (chain Rf) comprising at least one recurring unit (R2) having formula:
- —CF2CF(CF2OSO2F)—O— (poly(fluorosulfate) PFPE).
Dependencies are inferred from the claim text.