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|1. (WO2001030873) FLUOROCHEMICAL SULFONAMIDE SURFACTANTS|
|Applicants:||3M INNOVATIVE PROPERTIES COMPANY
|Inventors:||SAVU, Patricia, M.
ETIENNE, Sandra, A.
|Title:||FLUOROCHEMICAL SULFONAMIDE SURFACTANTS|
Described are fluorochemical surfactants derived from nonafluorobutanesulfonyl fluoride that contain polyalkyleneoxy side chains and may be copolymerized with acrylic acid or methacrylic acid to form polyacrylates or polymethacrylates. The surfactants surprisingly lower the surface tension of water and other liquids in the same or similar low values achieved by premier surfactants such as those derived from perfluorooctane sulfonyl fluoride.