| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a coating material satisfactorily performing photocatalytic functions, even with visible light, and to provide a pigment as a base of the coating material. <P>SOLUTION: This coating material comprises silica sol particles A1 as colloidal particles, photocatalytic pigment particles B1 and lithium silicate particles C1. The photocatalytic pigment particle B1 comprises titanium sub-oxide having a chemical composition of Ti<SB>2</SB>O<SB>3</SB>and is obtained by firing a mixture of titanium hydride and titanium dioxide in an inert atmosphere except a nitrogen atmosphere. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
