| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that methods by which a photo-catalyst is fixed on a surface layer part of a glaze of conventional glass and porcelain to naturally decompose a contamination by its organic resolving power or the contamination is hardly physically accumulated by smoothing the surface to make the contamination hardly stick, have been used, however, in cases when sufficient UV is not obtained and amount of loading of the contamination is very high, the contamination substances containing oily ingredients can not be often removed by such a method as rainfall and washing by shower. SOLUTION: For a member on which the contamination substances containing indoor and outdoor oily ingredients easily stick, a functional material with which the contamination substances caused by stuck oily ingredients can be easily removed by forming a fine uneven film of an oxide with a larger contact angle of an oil than a contact angle of water on the surface layer part, is provided. COPYRIGHT: (C)2003,JPO
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