JP2012144695A5 - - Google Patents

Claims (10)

An organic solvent having a surface tension of 20.0 mN / m or less and a boiling point of 95 to 200 ° C., a perfluoropolyether group-containing silane represented by the following general formula [1] , or the following general formula [2] A coating agent for forming an antifouling layer for an antifouling article to be used under steam, comprising dissolving the perfluoropolyether group-containing silane represented .

(Wherein, W represents a fluorine atom or a substituent represented by the structure of the following formula,

X represents the formula: — (O) _g — (CF ₂ ) _h — (CH ₂ ) _i — (wherein g, h and i each independently represents an integer of 0 to 50; The sum of h is 1 or more, and the order of presence of each repeating unit enclosed in parentheses is arbitrary in the formula. Y represents a hydrogen atom or a lower alkyl group having 1 to 5 carbon atoms, and Z is selected from the group consisting of an alkoxy group such as a methoxy group, an ethoxy group, a propoxy group, an isopropoxy group, a butoxy group, a chloro group, and an isocyanate group. Represents at least one hydrolyzable functional group, and R represents an alkyl group having 1 to 10 carbon atoms. a represents an integer of 0 to 50; b represents an integer of 1 to 200; c represents an integer of 1 to 3; d represents an integer of 1 to 10; and e and f are each independently 0 Represents an integer of ˜5, m and n are each independently an integer of 0 to 50, and the sum of m and n is 1 or more. )

(In the formula, Rf ¹ represents a linear perfluoroalkyl group having 1 to 100 carbon atoms, p represents an integer of 1 to 100, and q represents an integer of 0 to 2. Y, R, and d are general. Same as equation [1].)   2. The coating agent for forming an antifouling layer according to claim 1, wherein 60 to 100% by mass of a fluorine-based solvent is contained in 100% by mass of the organic solvent. The fluorine-based solvent, and wherein the at least one selected hydrofluorocarbons, perfluorocarbons, hydrofluoroethers, and from the group consisting of hydrochlorofluorocarbon, for the antifouling layer formed according to 請 Motomeko 2 Coating agent. The fluorine-based solvent, perfluorocarbons, and wherein the at least one selected from the group consisting of hydrofluoroethers, the antifouling layer forming coating agent according to 請 Motomeko 3. The perfluoropolyether group-containing silane represented by the general formula [1] or the general formula [2] is contained in 0.01 to 5% by mass in 100% by mass of the antifouling layer forming coating agent. The coating agent for forming an antifouling layer according to any one of claims 1 to 4, wherein the coating agent is used for forming an antifouling layer. A method for producing an antifouling article used under steam using the coating agent for forming an antifouling layer according to any one of claims 1 to 5 ,
(1) The holding member holding the coating agent is brought into contact with the substrate surface, and the holding member is reciprocated in a specific direction on the substrate surface to apply the coating agent over the entire surface, and then the holding. The member is brought into contact with the substrate surface again, and the holding member is reciprocated on the substrate surface in one direction different from the coating direction in the coating A to apply the coating agent over the entire surface. Finally, the substrate A process having a coating C applied along the edge of
(2) A method for producing an antifouling article to be used under steam, comprising a step of drying the applied coating agent. Antifouling article that is manufacturing by the manufacturing method, is used in a steam of claim 6. 6. The antifouling article is any one of an antifouling mirror for bathrooms or a toilet, or a partition around water such as a kitchen or a washstand. Antifouling layer forming coating agent. The antifouling property according to claim 6, wherein the antifouling article is any one of an antifouling mirror for bathrooms or a toilet and a partition around water such as a kitchen or a washstand . Article manufacturing method. The antifouling article according to claim 7, wherein the antifouling article is any one of an antifouling mirror for bathrooms or toilets, or a partition around water such as a kitchen or a washstand.