| 摘要 |
PROBLEM TO BE SOLVED: To provide a photocatalytic composition which, namely, titanium oxide colloid and zirconyl ammonium carbonate in which hare dispersed uniformly and stabilized in a solution particularly by using oxycarboxylic acid or its salt and which is applied on a base material to form a coating film exhibiting excellent photocatalytic ability, alkali-resistant performance and base material adhering ability. SOLUTION: This photocatalytic composition contains oxcarboxylic acid or its salt, zirconyl ammonium carbonate and titanium oxide colloid.
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