| 摘要 |
Photocatalytic coating compositions contain a photocatalytic material such as obtained by doping nitrogen atoms to an interstitial site of metal oxide crystals, a titanium compound having a specific structure, an organosilane hydrolysate having a specific structure, and an organosiloxane oligomer having a specific structure. The photocatalytic coating compositions can give coating films that exhibit adequate photocatalytic action even in an environment with less spectral components having wavelengths of 400 nm or below and more visible light, for example in an indoor environment and in vehicle interiors having UV protection glass, and that have high transparency. Further, the photocatalytic coating compositions have good storage stability of dispersions.
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