| 摘要 |
PROBLEM TO BE SOLVED: To provide an exterior structure which is constituted so as to suppress the deterioration of a base material and also excellent in harmful gas decomposition properties and fungicidal-algicidal properties, and a coating solution therefor. SOLUTION: The exterior structure is formed by providing a photocatalyst layer on the surface of the base material and the photocatalyst layer is obtained by drying the photocatalyst coating solution applied to the surface of the base material. The photocatalyst coating solution is composed of photocatalytic metal oxide particles, silica particles, a curable silicone emulsion, a water soluble silver compound and water. The silica particles are partially subjected to coating or modification treatment by a substance having a hydrophobic group and the photocatalytic metal oxide particles have oxidation force stronger than reduction force. COPYRIGHT: (C)2011,JPO&INPIT
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