摘要 |
PROBLEM TO BE SOLVED: To substantially prevent occurrence of peeling and dislodgment of titanium oxide powder of a photocatalyst for cleaning fluid using titanium dioxide. SOLUTION: The titanium oxide powder is deposited on a coating layer of a lacquer liquid formed on the surface of a nucleus 1. Wood, paper, metal, glass, cloth, etc., are usable for the nucleus 1. The nucleus 1 may be a perforated member as well.
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