초록 ▼

The present invention provides a photocatalyst-carrying structure which has a structure, wherein an adhesive layer is provided in between a photocatalyst layer and a substrate, the adhesive layer is composed of silicon-modified resin, polysiloxane-containing resin or colloidal silica-containing resi

The present invention provides a photocatalyst-carrying structure which has a structure, wherein an adhesive layer is provided in between a photocatalyst layer and a substrate, the adhesive layer is composed of silicon-modified resin, polysiloxane-containing resin or colloidal silica-containing resin, and for forming the photocatalyst layer a composition comprising a metal oxide gel or a metal hydroxide gel and a photocatalyst is used. Further, the present invention also provides a photocatalyst coating agent for producing a photocatalyst-carrying structure which contains silicon compound, at least one metal oxide sol or metal hydroxide sol, and at least one photocatalyst powder or sol.

대표청구항 ▼

[ What is claimed is:] [1.]1. A photocatalyst-carrying structure comprising a photocatalyst layer, an adhesive layer and a substrate, wherein the adhesive layer is disposed between the photocatalyst layer and the substrate and comprisesa silicon-modified resin, the adhesive layer containing from 2 t

[ What is claimed is:] [1.]1. A photocatalyst-carrying structure comprising a photocatalyst layer, an adhesive layer and a substrate, wherein the adhesive layer is disposed between the photocatalyst layer and the substrate and comprisesa silicon-modified resin, the adhesive layer containing from 2 to 60% by weight silicon;a resin containing colloidal silica, wherein the adhesive layer comprises from 5 to 40% by weight of said colloidal silica; ora resin containing polysiloxane, which is a polycondensation product of a compound represented by a formula (1) rein R.sup.1 is an alkyl having 1-8 carbon atoms and is unsubstituted or substituted by amino, carboxyl or chlorine atom; R.sup.2 is an alkyl having 1-8 carbon atoms or an alkoxy-substituted alkyl having 1-8 carbon atoms; n.sub.1 is an integer, 0, 1 or 2; n.sub.2 and n.sub.3 are each independently an integer, 0, 1, 2, or 3; n.sub.4 is an integer, 2, 3, or 4; and n.sub.1 +n.sub.2 +n.sub.3 +n4=4, wherein the resin comprises from 3 to 60% by weight polysiloxane; andwherein the photocatalyst layer comprises a photocatalyst particle and 25 to 95% by weight of a metal oxide gel or a metal hydroxide gel.