光触媒を応用した外壁仕上材料の耐汚染性に関する評価 二酸化チタンの光触媒作用の汚れ防止効果に着目し、建築用の外装材の内、光触媒タイルと光触媒塗料について、耐汚染性の評価を行った。試験は、当社技術センター屋上にて屋外暴露試験を実施し、暴露前と暴露後の明度差(ΔL*)を求めて評価した。
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Study on Stain Resistance of External Finishing Materials Containing Photocatalyst In this paper, the stain resistance of external finishing materials containing titanium dioxide that has the effect of photocatalyst was investigated. Exposure tests to compare the stain resistance of photocatalyst ceramic tiles and coating materials were performed in Yokohama. The changes in difference of luminosity after 1 or 2 years exposure were observed.
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