| 摘要 |
PROBLEM TO BE SOLVED: To provide a photocatalytic coating material in which there is no problem from the viewpoints of, for example, work environments, affection to the circumference and smell, which can be applied to base materials such as plastics and coated steel sheets having a hydrophobic substance on their surfaces, and can show a self-cleaning function by rainfall immediately after the use, and in which the status is maintained in irradiation of sunlight for a long period of time, and to provide a photocatalytic composite material produced by covering a base material having a hydrophobic substance on the surface with the coating material, and a method of manufacturing the same. SOLUTION: The photocatalytic coating material at least comprises: (a) photocatalytic oxide particles; (b) a hydrophobic-resin emulsion; and (c) water, wherein the photocatalytic oxide particles have a smaller average particle diameter than the particles dispersed in the hydrophobic-resin emulsion. COPYRIGHT: (C)2010,JPO&INPIT
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