| abstract |
Phosphoric monoesters of formula:n n wherein: nL is a divalent organic group; m = 1; Y is -F or -CF₃; Z⁺ is selected from: H⁺, M⁺ wherein M is an alkali metal, N(R)₄⁺ wherein the R groups, equal or different from each other, are H or C₁-C₆ alkyls; R f is a poly-perfluoroalkyleneoxide chain; are used for surface treatment of cellulosic (for instance wood or paper), metallic (either ferrous or non-ferrous), vitreous (for instance glass or vitrified ceramics) materials, or of cements, marbles, granites, and the like. |