Abstract: A photocatalyst coated body includes a base and a photocatalyst layer provided on the base. The photocatalyst coated body is characterized in that photocatalyst layer contains 1-20 (inclusive) parts by mass of photocatalyst particles, 30-98 (inclusive) parts by mass of silica particles and 1-50 (inclusive) parts by mass of zirconia particles, so that the total all of these particles is 100 parts by mass. The photocatalyst coated body is also characterized in that the zirconia particles are at least one kind of particles selected from the group consisting of crystalline zirconia particles having an average crystallite diameter of 10 nm or less and amorphous zirconia particles. Such photocatalyst coated body has excellent photocatalytic degradation function and excellent weather resistance; and also it is capable of suppressing the formation of intermediate products such as NO2, while increasing the amount of NOx removed during removal of NOx in the air.

Abstract: A photocatalyst coated body includes a base and a photocatalyst layer provided on the base. The photocatalyst coated body is characterized in that photocatalyst layer contains 1-20 (inclusive) parts by mass of photocatalyst particles, 30-98 (inclusive) parts by mass of silica particles and 1-50 (inclusive) parts by mass of zirconia particles, so that the total all of these particles is 100 parts by mass. The photocatalyst coated body is also characterized in that the zirconia particles are at least one kind of particles selected from the group consisting of crystalline zirconia particles having an average crystallite diameter of 10 nm or less and amorphous zirconia particles. Such photocatalyst coated body has excellent photocatalytic degradation function and excellent weather resistance; and also it is capable of suppressing the formation of intermediate products such as NO2, while increasing the amount of NOx removed during removal of NOx in the air.

Abstract: A photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate, the photocatalyst layer comprising photocatalyst particles of 1 part or more by mass and less than 20 parts by mass, inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass, and the dried substance of a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the dried substance of the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass in terms of silica. The inorganic oxide particles have a number average particle diameter ranging from 10 nm or more to less than 40 nm calculated by measuring lengths of 100 particles randomly selected from particles located within a visible field magnified 200,000 times by a scanning electron microscope.

Abstract: A photocatalyst-coated body includes a substrate with an organic material as a surface thereof, a photocatalyst layer with interstices between the particles in the layer and an intermediate layer provided between the substrate and the photocatalyst layer. The photocatalyst layer includes photocatalyst particles in a range of 1 part?x<20 parts by mass, inorganic oxide particles in a range of 70 parts?y<99 parts by mass, and a dried substance of a hydrolyzable silicone in a range of zero parts?z<10 parts by mass, provided that a total amount of the photocatalyst particles, the inorganic oxide particles, and the dried substance of the hydrolyzable silicone is 100 parts by mass in terms of silica. The intermediate layer comprising a silicone-modified resin, wherein the silicone-modified resin includes silicon atom in an amount of 0.2% by mass or more and less than 16.5% by mass.

Abstract: A photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate, the photocatalyst layer comprising photocatalyst particles of 1 part or more by mass and less than 20 parts by mass, inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass, and the dried substance of a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the dried substance of the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass in terms of silica, wherein the photocatalyst layer has a film thickness of 3.0 ?m or less.

Abstract: A photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate, the photocatalyst layer comprising photocatalyst particles of 1 part or more by mass and less than 20 parts by mass, inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass, and the dried substance of a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the dried substance of the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass in terms of silica. The inorganic oxide particles have a number average particle diameter ranging from 10 nm or more to less than 40 nm calculated by measuring lengths of 100 particles randomly selected from particles located within a visible field magnified 200,000 times by a scanning electron microscope.

Abstract: Disclosed are a photocatalyst-coated body that can realize a good weather resistance, a photocatalyst-coated body that, in removing NOx, particularly in removing NOx in air, can suppress the production of an intermediate product such as NO2 while increasing the NOx removed, and a photocatalytic coating liquid for use in the formation of the photocatalyst-coated body. The photocatalyst-coated body comprises a photocatalyst layer provided on a substrate. The photocatalyst layer comprises at least photocatalytic titanium oxide particles, silica particles, and a product obtained by drying water soluble zirconium compound.

Abstract: There is disclosed a photocatalyst-coated body which is superior in weather resistance, noxious gas decomposability, and various coating properties (such as ultraviolet absorptivity, transparency and film strength) while preventing corrosion of a substrate (in particular an organic substrate), and a photocatalyst coating liquid therefor. The photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate. The photocatalyst layer comprises photocatalyst particles of 1 part or more by mass and less than 20 parts by mass; inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass; and a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass.

Abstract: A photocatalyst-coated body includes a substrate with an organic material as a surface thereof, a photocatalyst layer with interstices between the particles in the layer and an intermediate layer provided between the substrate and the photocatalyst layer. The photocatalyst layer includes photocatalyst particles in a range of 1 part?x<20 parts by mass, inorganic oxide particles in a range of 70 parts?y<99 parts by mass, and a dried substance of a hydrolyzable silicone in a range of zero parts?z<10 parts by mass, provided that a total amount of the photocatalyst particles, the inorganic oxide particles, and the dried substance of the hydrolyzable silicone is 100 parts by mass in terms of silica. The intermediate layer comprising a silicone-modified resin, wherein the silicone-modified resin includes silicon atom in an amount of 0.2% by mass or more and less than 16.5% by mass.

Abstract: A photocatalyst-coated body which exhibits ability to decompose harmful gases while preventing deterioration of the substrate for a long time period is provided. The photocatalyst-coated body comprises a substrate, an intermediate layer provided on the substrate and a photocatalyst layer provided on the intermediate layer. The photocatalyst layer comprises photocatalyst particles composed of metal oxide which is excited by ultraviolet light. The intermediate layer comprises a weather resistant resin and a hydroxyphenyl triazine compound.

Abstract: A photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate, the photocatalyst layer comprising photocatalyst particles of 1 part or more by mass and less than 20 parts by mass, inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass, and the dried substance of a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the dried substance of the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass in terms of silica, wherein the photocatalyst layer has a film thickness of 3.0 ?m or less.

Abstract: A photocatalyst-coated body and a photocatalytic coating liquid which exert an excellent weather resistance, harmful gas decomposability, and other desired characteristics (such as transparency and film strength), while preventing erosion of the substrate are provided. The photocatalyst-coated body comprises a substrate and a photocatalytic layer provided on the substrate. The photocatalytic layer comprises photocatalytic particles and inorganic oxide particles, and has interstices between the particles in the layer.

Abstract: Photocatalytic titanium dioxide particles are disclosed having improved dispersibility into an aqueous solvent not only under neutral physiological conditions in vivo but also over a wide pH range, and improved cell affinity and cell uptake property. The photocatalytic titanium dioxide particles comprise particles comprising photocatalytic titanium dioxide and a cationic hydrophilic polymer modifying surfaces of the photocatalytic titanium dioxide particles, wherein the hydrophilic polymer is bonded to the photocatalytic titanium dioxide particles. The particles are very useful for medical applications, such as destruction of cancer cells, e.g., when administered to a mammal the titanium dioxide particles are taken up by cells of the mammal, and if then irradiated with UV light the particles kill the cells via photocatalytic degrading capability.

Abstract: A photocatalyst-coated body and a photocatalytic coating liquid which exert an excellent weather resistance, harmful gas decomposability, and other desired characteristics (such as transparency and film strength), while preventing erosion of the substrate are provided. The photocatalyst-coated body comprises a substrate and a photocatalytic layer provided on the substrate. The photocatalytic layer comprises photocatalytic particles and inorganic oxide particles, and has interstices between the particles in the layer.

Abstract: Photocatalytic titanium dioxide particles are disclosed having improved dispersibility into an aqueous solvent not only under neutral physiological conditions in vivo but also over a wide pH range, and improved cell affinity and cell uptake property. The photocatalytic titanium dioxide particles comprise particles comprising photocatalytic titanium dioxide and a cationic hydrophilic polymer modifying surfaces of the photocatalytic titanium dioxide particles, wherein the hydrophilic polymer is bonded to the photocatalytic titanium dioxide particles. The photocatalytic titanium dioxide particles are very useful for medical applications, such as destruction of cancer cells.

Abstract: There is disclosed a photocatalyst-coated body which is superior in weather resistance, noxious gas decomposability, and various coating properties (such as ultraviolet absorptivity, transparency and film strength) while preventing corrosion of a substrate (in particular an organic substrate), and a photocatalyst coating liquid therefor. The photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate. The photocatalyst layer comprises photocatalyst particles of 1 part or more by mass and less than 20 parts by mass; inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass; and a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass.

Abstract: A composite material which retains a design property of a base material even in a case where the external force is applied includes the base material and a coated section arranged on said base material, wherein the coated section contains (A) silica or at least a compound selected from the group of compounds having an average composition formula RpSiO(4-p)/2 in which R is a hydrogen atom, a fluorine atom or a univalent organic radical, and p is a number which satisfies 0<p<4, and (B) plastic polymer particles, and wherein the plastic polymer particles are dispersed in the coated section substantially without contacting each other.

Abstract: There is provided a functional member, which is excellent in terms of a humidity controlling function, a removal function of toxic chemicals and an unpleasant living odor, antifouling properties, stain concealing properties, and flexibility. A functional member is provided with a first layer which is formed on a flexible base material and comprises a dry matter of a mixture comprising an inorganic porous material and an organic emulsion, and a second layer comprising an inorganic filler which is fixed over an approximately entire surface of the first layer by an organic binder, wherein the organic matter in the organic emulsion has a glass-transition temperature of ?5° C. to ?50° C.; and the organic binder in the second layer is contained in an amount of 30-300 parts by volume to 100 parts by volume of the inorganic filler.

Abstract: Disclosed are antifouling material possessing excellent surface antifouling properties, particularly excellent antifouling activity against greasy stains and soils, a process for producing the same, and a coating composition and an apparatus for the antifouling material. The antifouling material comprises: a substrate; and an inorganic layer consisting essentially of an amorphous metal oxide, the inorganic layer containing an alkali metal and non-bridging oxygen in an amount effective in removing contaminants, derived from an exhaust gas, adhered on the surface of the inorganic layer by cleaning using running water alone to restore the diffuse reflectance of the surface of the inorganic layer to not less than 75% of the initial diffuse reflectance, the inorganic layer constituting the outermost fixed layer of the antifouling material.