Abstract: The present invention provides a substrate with an antireflection layer not only which is excellent in the antireflection properties but also which has high water repellency and oil repellency and favorable oil and fat stain removability, and a display device provided with a substrate with an antireflection layer. A substrate with an antireflection layer, which comprises an antireflection layer on at least one surface of the substrate, wherein the antireflection layer contains a silica porous film having fluorinated organic groups, and the surface of the antireflection layer on the opposite side from the substrate has an element number ratio F/Si of at least 1 as obtained from the peak height of F1s and the peak height of Si2p in surface analysis by scanning X-ray photoelectron spectroscopy (ESCA) and has an arithmetic mean roughness (Sa) of at most 3.0 nm.

Abstract: There are provide a liquid composition for forming a silicon oxide-based cured coating film by the sol-gel method, the liquid composition having excellent storage stability and being capable of forming a coating film excellent in durability, in particular, alkali resistance even after long-term storage. A liquid composition applied on a surface of a substrate and cured by heating to form a coating film, contains: a matrix component containing a hydrolyzable silicon compound whose content is 20 to 60 mass % as a SiO2 content when silicon atoms contained in the matrix component are converted into SiO2 to the total solid content amount in the liquid composition; a functional component containing an ultraviolet absorbent and an infrared absorbent; water; and an acid thermally decomposing at 80° C. or higher and a temperature of the heating or lower, wherein a pH increases between before and after the thermal decomposition of the acid.

Abstract: There are provided an antifogging article having a water absorbing layer which excels in antifogging property, in durability and appearance, a method for manufacturing the same, an article for transportation apparatus having the antifogging article, and a water absorbing layer forming composition. The antifogging article has a substrate and an antifogging film on a surface of the substrate, in which the antifogging film has a water absorbing layer constituted of a water absorbing material with a saturated water absorption amount of 50 mg/cm3 or more, the water absorbing material is containing a first cured epoxy resin obtained by reacting the composition containing a polyepoxide component, a polyaddition type curing agent, and a catalyst type curing agent, and the polyepoxide component is constituted only of at least two polyepoxides selected from aliphatic polyepoxides with molecular weights of 800 to 3000. The article for transportation apparatus has the antifogging article.

Abstract: There are provided a liquid composition capable of forming a coating film securing colorless transparency, being excellent in weather resistance, suppressing occurrence of bleedout, and having sufficiently ultraviolet absorbing function and the infrared absorbing function, and a glass article having a coating film formed by this composition.

Abstract: Provided is a transparent substrate with a coating film having excellent ultraviolet absorbing ability and scratch resistance while maintaining visible light transmittance at high level. The transparent substrate with the coating film includes a transparent substrate, and a coating film formed at least at a part of a surface of the transparent substrate. The coating film contains a silicon oxide matrix and a specific ultraviolet absorbent, and has a thickness of 3 to 10 ?m. The transparent substrate with the coating film has a transmittance of light with a wavelength of 400 nm of 10% or less, and a visible light transmittance of 50% or more, no scratch is visually recognized by a specific scratch resistance test for surface of the coating film, and a value where YI of the transparent substrate is subtracted from YI of the transparent substrate with the coating film is 10 or less.

Abstract: An antifogging article excellent in both an antifogging property and abrasion resistance and a manufacturing method thereof are provided. The antifogging article includes: a substrate; a water-absorbing resin layer disposed on the substrate; and an overcoat layer disposed on the water-absorbing resin layer and including: a hydrolyzed condensate of an alkoxysilane compound; and silica particles, wherein a film thickness of the overcoat layer is 20 to 350 nm and the overcoat layer is formed from an overcoat composition containing 90 to 45 parts by mass of the alkoxysilane compound and 10 to 55 parts by mass of the silica particles relative to total 100 parts by mass of the alkoxysilane compound and the silica particles.

Abstract: An antifogging agent composition excellent in an antifogging property and peel resistance and an antifogging article obtained using it are provided. The antifogging agent composition includes: a first resin having a water-soluble rate of 90% or more; a second rein having a water-soluble rate of 50% or less; an alkoxysilane compound; and a curing agent, wherein the first resin is a polyfunctional aliphatic epoxy resin, and the second resin is a polyfunctional aromatic epoxy resin having a water-soluble rate of less than 20%. Further, the antifogging article includes: a substrate; and a cured product of the antifogging agent composition, disposed in at least a part of a region on the substrate. Further, a manufacturing method of an antifogging article includes: forming an antifogging agent composition layer by applying the antifogging agent composition on a substrate; and forming an antifogging layer by heat-treating the applied antifogging agent composition.

Abstract: There are provided an antifogging agent composition enabling formation of an antifogging layer excellent in yellowing resistance and bleed resistance and an antifogging article made using the same. The antifogging agent composition contains: a water-soluble epoxy resin; an aluminum compound; and an alkoxysilane compound and/or a partially hydrolyzed condensate of an alkoxysilane compound, wherein the water-soluble epoxy resin is a polyfunctional aliphatic epoxy resin. Further, the antifogging article includes: a substrate; and a resin layer disposed on at least a part of a region on the substrate, having a saturated water absorption amount of 50 mg/cm3 or more, and having a Martens hardness of 2 N/mm2 or more.

Abstract: There are provide a liquid composition for forming a silicon oxide-based cured coating film by the sol-gel method, the liquid composition having excellent storage stability and being capable of forming a coating film excellent in durability, in particular, alkali resistance even after long-term storage. A liquid composition applied on a surface of a substrate and cured by heating to form a coating film, contains: a matrix component containing a hydrolyzable silicon compound whose content is 20 to 60 mass % as a SiO2 content when silicon atoms contained in the matrix component are converted into SiO2 to the total solid content amount in the liquid composition; a functional component containing an ultraviolet absorbent and an infrared absorbent; water; and an acid thermally decomposing at 80° C. or higher and a temperature of the heating or lower, wherein a pH increases between before and after the thermal decomposition of the acid.

Abstract: An antifogging article having an antifogging film excellent in antifogging property and in durability, an article for transportation apparatus provided with the antifogging article, and a base layer forming composition with sufficiently long pot life used for obtaining the antifogging article are provided. An antifogging article has a substrate, and an antifogging film on the substrate having a base layer made of a base material with low water absorbing property, and a water absorbing layer made of a water absorbing material having a water absorbing property higher than that of the base material, and the base material is obtained by using a composition containing (A) a raw material component of a first cured resin, (B) a silane-based coupling agent having a functional group other than an amino group having reactivity with the (A) component and a hydrolyzable group, and (C) tetraalkoxysilane and/or a polymer thereof in a prescribed ratio.

Abstract: An antifogging article having a high antifogging property and being excellent in persistence of the antifogging property is provided. The antifogging article having a substrate and a water absorbing layer on a surface of at least a part of the substrate, wherein the water absorbing layer comprises a cured epoxy resin as a main body, obtained by reacting a polyepoxide and a curing agent, and a surfactant having an HLB within a range of 6 to 18, the HLB being calculated by a Griffin method.

Abstract: The present invention provides a substrate with an antireflection layer not only which is excellent in the antireflection properties but also which has high water repellency and oil repellency and favorable oil and fat stain removability, and a display device provided with a substrate with an antireflection layer. A substrate with an antireflection layer, which comprises an antireflection layer on at least one surface of the substrate, wherein the antireflection layer contains a silica porous film having fluorinated organic groups, and the surface of the antireflection layer on the opposite side from the substrate has an element number ratio F/Si of at least 1 as obtained from the peak height of F1s and the peak height of Si2p in surface analysis by scanning X-ray photoelectron spectroscopy (ESCA) and has an arithmetic mean roughness (Sa) of at most 3.0 nm.

Abstract: There are provided a liquid composition capable of forming a coating film securing colorless transparency, being excellent in weather resistance, suppressing occurrence of bleedout, and having sufficiently ultraviolet absorbing function and the infrared absorbing function, and a glass article having a coating film formed by this composition.

Abstract: To provide a process for producing a glass substrate provided with an inorganic fine particle-containing silicon oxide film, wherein inorganic fine particles having a desired particle size may be used depending on intended optical properties, and the range of selection of the inorganic fine particles is wide.

Abstract: There are provided an antifogging article having a water absorbing layer which excels in antifogging property, in durability and appearance, a method for manufacturing the same, an article for transportation apparatus having the antifogging article, and a water absorbing layer forming composition. The antifogging article has a substrate and an antifogging film on a surface of the substrate, in which the antifogging film has a water absorbing layer constituted of a water absorbing material with a saturated water absorption amount of 50 mg/cm3 or more, the water absorbing material is containing a first cured epoxy resin obtained by reacting the composition containing a polyepoxide component, a polyaddition type curing agent, and a catalyst type curing agent, and the polyepoxide component is constituted only of at least two polyepoxides selected from aliphatic polyepoxides with molecular weights of 800 to 3000. The article for transportation apparatus has the antifogging article.

Abstract: Provided is an article having a low reflection film which has a low reflectance over a wide wavelength range, has a relatively low reflectance with light having a large incident angle and has good weather resistance and durability. An article having a low reflection film 14 on a transparent substrate 12, wherein the low reflection film 14 comprises two layers which are a lower layer 16 on the transparent substrate 12 side and an upper layer 18 formed on the lower layer 16, and wherein the lower layer 16 has a refractive index of from 1.3 to 1.44, and the upper layer 18 has a refractive index of from 1.10 to 1.29.

Abstract: The present invention relates to a process for manufacturing a copper hydride fine particle dispersion, the process including: reducing a copper(II) salt with a hydrido-based reducing agent in the following solvent (A) in the presence of the following alkylamine (B): solvent (A): a solvent having a solubility parameter (SP value) of from 8 to 12 and being inert to the hydrido-based reducing agent and alkylamine (B): an alkylamine having an alkyl group which has 7 or more carbon atoms and having a boiling point of 250° C. or lower.

Abstract: Hollow fine particles containing SiO2 as the main component and containing another metal. The amount of the other metal (calculated as oxide) is 0.2 to 8 parts by mass based on 100 parts by mass of SiO2. A coating composition containing the hollow fine particles and a dispersion medium. An article having a coating film including the coating composition formed on a substrate. A process for producing hollow fine particles, which includes (a) precipitating a shell containing SiO2 as the main component and containing another metal on the surface of core fine particles, to obtain core/shell particles, and (b) dissolving or decomposing the core fine particles of the core/shell fine particles.

Abstract: To provide an agricultural film which has high transparency and which has a coating film formed with excellent abrasion resistance (adhesion), hydrophilicity (anti-fogging, wettability and anti-fouling) and hydrophilic durability. An agricultural film 10 comprising a base material film 12 and a porous hydrophilic coating film 14 formed on the base material film 12. The hydrophilic coating film 14 contains boehmite particles, silica particles and a binder, wherein (a) the atomic ratio of Al to Si (Al/Si) is from 0.2 to 5.0, (b) the average particle diameter of the silica particles is from 5 to 50 nm, and (c) the crystallite diameter of the boehmite particles, as calculated from the diffraction peak of the (120) plane is from 20 to 50 nm. The hydrophilic coating film 14 is formed by applying a composition comprising boehmite particles, silica particles, a binder and water, on a surface of a base material film, followed by drying.

Abstract: A water-repellent substrate having a water-repellent coating film on at least one side of a substrate, wherein the water-repellent coating film comprises an undercoat layer which comprises aggregates of metal oxide fine particles having an average primary particle size of from 20 to 85 nm and a metal oxide binder, and which has a concave-convex surface, formed on the substrate side, and a water-repellent layer formed on the undercoat layer along the concave-convex structure on the surface of the undercoat layer, the water splash property as an index of the water-repellency of the surface of the water-repellent coating film is at least 100 mm, and the water splash property of the surface of the water-repellent coating film is at least 20 mm after an abrasion test for 2,000 reciprocations by means of a traverse tester at a stress of 11.8 N/4 cm2 using a flannel cloth in accordance with JISL0803.