Process for imparting oil-and water-repellency to the...

Details Process for imparting oil-and water-repellency to the... Process for imparting oil-and water-repellency to the...

C - Chemistry, Metallurgy

07

F

C07F 9/09 (2006.01) C04B 41/46 (2006.01) C08G 65/00 (2006.01) C08G 65/327 (2006.01)

Patent

CA 2111397

Oil- and water-repellency is imparted to the surface of a porous ceramic material, in particular of "cotto", by applying~ a phosphoric monoester having formula: (see formula I) where: L is a divalent organic group; m = 1; Y is -F or -CF3; Z+ is a cation; R f is a polyperfluoroalkylene oxide chain.

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