Polyfluoropolyethers having pendant perfluoroalkoxy groups

Details Polyfluoropolyethers having pendant perfluoroalkoxy groups Polyfluoropolyethers having pendant perfluoroalkoxy groups

C - Chemistry, Metallurgy

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C08G 65/00 (2006.01) C08G 65/332 (2006.01) C08L 71/02 (2006.01) C10M 107/34 (2006.01)

Patent

CA 1339575

Normally liquid peroxidic poly(perfluorooxyalkylene) compositions comprising a mixture of peroxidic poly(perfluorooxyalkylene) compounds, derivatives of the poly(perfluorooxyalkylene) compositions comprising a mixture of non-peroxidic polyfluoropolyether compounds, and derivatives of the polyfluoropolyether compositions comprising functional and non-functional derivatives of the polyfluoropolyether compositions are provided. Each peroxidic poly(perfluorooxyalkylene) compound comprises a backbone of randomly distributed perfluorooxyalkylene units, represented by the formulas -CF2O-, -CFO-, and -CF2CFO, and -O-, which when bonded to an -O- of any of the perfluorooxyalkylene units, forms a peroxy group, -O-O-, which imparts the peroxidic characteristics to the material, and backbone-pendant perfluoroalkoxy groups or perfluoroalkoxy groups substituted with one or more ether oxygen atoms, the terminal ether oxygen atoms of which are bonded to carbon atoms of the -CFO and -CF2CFO backbone units.

543381

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