The subject of the invention is a glass-, ceramic- or vitroceramic-based substrate (1) provided on at least part of at least one of its faces with a coating (3) with a photocatalytic property containing at least partially crystalline titanium oxide. It also relates to the applications of such a substrate and to its method of preparation.

Substrate with a photocatalytic coating

The subject of this report is chemistry and engineering for the application of heterogeneous photocatalysts. The state of the art in catalysts are forms of titanium dioxide or modifications thereof, but work on other heterogeneous catalysts is included.

/pdf/bibliography-of-work-on-the-heterogeneous-photocatalytic-1i1qr12an9.pdf

Bibliography of Work on the Heterogeneous Photocatalytic Removal of Hazardous Compounds from Water and Air

An optical film, which is an optically compensatory film that comprises: at least two optically anisotropic layers comprising a first optically anisotropic layer and a second optically anisotropic layer, wherein the first optically anisotropic layer is formed by mixing two or more liquid crystal compounds having different structures with each other.

Optical film, polarizing plate, and liquid crystal display device

A laser beam processing machine comprising a path distribution means for distributing a pulse laser beam oscillated by pulse laser beam oscillation means to a first path and a second path alternately, and one laser beam that passes through one of the paths and is converged by one condensing lens and the other laser beam that passes through the other path and is converged by the condensing lens are applied at different focusing points which have been displaced from each other in the direction of the optical axis, alternately with a time lag between them.

Laser beam processing machine

A method and article are disclosed wherein a substrate is provided with a photocatalytically-activated self-cleaning surface by forming a photocatalytically-activated self-cleaning coating on the substrate by spray pyrolysis chemical vapor deposition or magnetron sputter vacuum deposition. The coating has a thickness of at least about 500 Angstroms to limit sodium-ion poisoning to a portion of the coating facing the substrate. Alternatively, a sodium ion diffusion barrier layer is deposited over the substrate prior to the deposition of the photocatalytically-activated self-cleaning coating to prevent sodium ion poisoning of the photocatalytically-activated self-cleaning coating. The substrate includes glass substrates, including glass sheet and continuous float glass ribbon.

Photocatalytically-activated self-cleaning article and method of making same

A photocatalyst-carrying structure comprising a photocatalyst layer, a carrier and an adhesive layer present between the photocatalyst layer and the carrier, wherein the adhesive layer is made of a silicon-modified resin, a polysiloxane-containing resin or a colloidal silica-containing resin and the photocatalyst layer is made of a composite comprising a metal oxide or hydroxide gel and a photocatalyst; and a photocatalytic coating material for producing the above structure, comprising a silicon compound, at least one metal oxide or metal hydroxide sol, and at least one photocatalyst powder or sol.

Photocatalyst-carrying structure and photocatalyst coating material

A photocatalyst-bearing structure usable particularly under a high-temperature and high-humidity environment and an outdoor environment where alkali resistance is required; and a photocatalytic coating composition for the preparation of the structure. The composition is characterized by comprising a photocatalyst and a zirconium compound and/or a tin compound for imparting alkali resistance. The structure comprises an adhesive layer provided between a photocatalyst layer and a carrier, characterized in that the photocatalyst layer comprises a photocatalyst and a zirconium compound and/or a tin compound for imparting alkali resistance.

Photocatalytic coating composition and photocatalyst-bearing structure

A process for the production of a sinterable raw material powder to be used for the production of a partially stabilized ZrO2 sintered body or ceramic body containing 0 to 60 parts of alumina, and the process for the production of the sintered body or ceramic body using this powder.

High density alumina zirconia ceramics and a process for production thereof

Disclosed is an organic-inorganic composite body with excellent adhesion to a base wherein the front surface has extremely high hardness while the inner portion and the rear surface have adequate hardness. Specifically disclosed is an organic-inorganic composite body characterized by mainly containing a condensate of an organosilicon compound represented by the following formula (I): RnSiX4-n (wherein R represents an organic group whose carbon atom is directly bonded to Si, X represents a hydroxyl group or a hydrolyzable group, and n represents 1 or 2), and containing at least one photoreactive compound reactive to light having a wavelength of not more than 350 nm which is selected from the group consisting of metal chelate compounds, metal organic acid salt compounds, metal compounds having two or more hydroxyl groups or hydrolyzable groups, hydrolysis products of them and condensates of them, and/or a compound derived therefrom.

Organic-inorganic composite body

The invention provides dispersoids having metal-oxygen groups which are suitable for the production of metal oxide thin-films at a low temperature of 200° C. or below and for the production of homogeneous organic-inorganic hybrid materials. The invention also provides metal oxide thin-films and organic-inorganic hybrid materials endowed with various capabilities, particularly organic-inorganic hybrid materials having a high refractive index and high transparency. Use is made of a dispersoid having metal-oxygen bonds which is obtained by mixing a metal compound having at least three hydrolyzable groups with at least 0.5 mole but less than 2 moles of water per mole of the metal compound in an organic solvent, in the absence of an acid, a base and/or a dispersion stabilizer, and at a temperature at or below the temperature at which the metal compound begins to hydrolyze, then raising the temperature to at least the temperature at which hydrolysis begins.

Dispersoid having metal-oxygen bonds, metal oxide film, and monomolecular film

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