| http://www.w3.org/ns/prov#value | - The method according to claim 1, wherein the fluorochemical surfactant is at least one compound selected from: a fluoroalkanoic acid expressed with the general formula: X???R???COOH wherein X is a hydrogen atom, a chlorine atom or a fluorine atom, and R is a perfluoroalkylene group having 2 to 10 carbon atoms; and
|
