Patent ID: 7572486
Filing Date: 2009-08-11
Classification: B01J,C08K,C09D

Abstract:
1. A photocatalytic coating material comprising at least: (a) photocatalytic oxide particles, (b) emulsified particles of a hydrophobic-resin, (c) water, (d) silica particles, and (e) a coloring pigment, characterized in that the average sizes of the ingredient (a) and the ingredient (d) are smaller than that of the emulsified particles of the hydrophobic resin dispersed in the ingredient (b), ingredient (a) constitutes 1 to less than 5% by weight of a total solid matter of the coating material, ingredient (d) constitutes 1 to 90% by weight of the total solid matter of the coating material, and once the coating material is applied onto a base material, the photocatalytic oxide particles and the silica particles move upward and a coating film 5 μm to 1 mm thick is formed.