Abstract: Provided is a means which is capable of improving the durability of a hydrophilic member that has a photocatalyst layer containing tungsten oxide. The hydrophilic member includes a substrate, a first intermediate layer which is disposed on the substrate and contains a metal oxide that contains an element of Group 4, Group 6, Group 13 or Group 14 of the periodic table, and a photocatalyst layer which is disposed on the first intermediate layer and contains tungsten oxide.

Abstract: An alumina particle composite (1) includes an alumina particle (2) and an organic acid (3) chemically bonded to a surface of the alumina particle (2). Further, the alumina particle (2) has a short axis length of 1 to 10 nm, a long axis length of 20 to 400 nm, and an aspect ratio of 5 to 80, and is represented by Formula I, Al2O3·nH2O??Formula I where n is 0 or more.

Abstract: An alumina particle composite (1) includes an alumina particle (2) and an organic acid (3) chemically bonded to a surface of the alumina particle (2). Further, the alumina particle (2) has a short axis length of 1 to 10 nm, a long axis length of 20 to 400 nm, and an aspect ratio of 5 to 80, and is represented by Formula I, Al2O3.nH2O??Formula I where n is 0 or more.

Abstract: There is provided a polycarbonate resin composition containing aluminum oxide nanoparticles and being capable of showing good moldability and retention heat stability and combining high transparency and dimensional stability with excellent mechanical properties. The polycarbonate resin composition is characterized by containing an organic acid and aluminum oxide and in that: the resin composition has a melt mass flow rate of 11 g/10 min or higher as measured according to JIS K 7210 under the conditions of a temperature of 280° C., a nominal load of 2.16 Kg and a nozzle dimension L/D of 8/2; and a No. 2 dumbbell-shaped specimen according to JIS K 7113 formed by heat-press molding the resin composition into a film of 0.2 mm in thickness and cutting the film has a breaking stress of 8 MPa or higher as measured under the conditions of a temperature of 23° C., a humidity of 50% RH and a tensile rate of 50 mm/min.

Abstract: There is provided a polycarbonate resin composition containing aluminum oxide nanoparticles and being capable of showing good moldability and retention heat stability and combining high transparency and dimensional stability with excellent mechanical properties. The polycarbonate resin composition is characterized by containing an organic acid and aluminum oxide and in that: the resin composition has a melt mass flow rate of 11 g/10 min or higher as measured according to JIS K 7210 under the conditions of a temperature of 280° C., a nominal load of 2.16 Kg and a nozzle dimension UD of 8/2; and a No.2 dumbbell-shaped specimen according to JIS K 7113 formed by heat-press molding the resin composition into a film of 0.2 mm in thickness and cutting the film has a breaking stress of 8 MPa or higher as measured under the conditions of a temperature of 23° C., a humidity of 50% RH and a tensile rate of 50 min/min.

Abstract: An alumina particle composite (1) includes an alumina particle (2) and an organic acid (3) chemically bonded to a surface of the alumina particle (2). Further, the alumina particle (2) has a short axis length of 1 to 10 nm, a long axis length of 20 to 400 nm, and an aspect ratio of 5 to 80, and is represented by Formula I, Al2O3.nH2O??Formula I where n is 0 or more.

Abstract: Surface-coated aluminum oxide nanoparticles capable of being uniformly blended into polycarbonate resin in a good dispersed state while maintaining a molecular weight of the polycarbonate resin at a specific level or more. Surfaces of the surface-coated aluminum oxide nanoparticles are coated with a dispersant and a silylation reagent. In a case where a monochromated Al-K? ray is irradiated onto a sample surface by using an X-ray photoelectron spectroscope, when a surface element composition is calculated from an obtained photoelectron peak area, contents (atm %) of nitrogen atoms, thiol-derived sulfur atoms, and halogen atoms in the surface-coated aluminum oxide nanoparticles are individually 2 or less, and when the surface element composition is calculated from obtained photoelectron peak areas of Al2p and Si2s, a concentration (mol %) of silicon atoms with respect to aluminum atoms is 0.05 to 30.

Abstract: An alumina particle (1) of the present invention has an alumina body with a short axis length (b) of 1 to 10 nm, a long axis length (a) of 20 to 400 nm and an aspect ratio (a/b) of 5 to 80. The alumina body is expressed by a Formula I, and n is not less than 0. Al2O3.

Abstract: A thermoplastic resin composition contains polycarbonate molecules to which inorganic oxide fine particles are bonded through connecting groups of an aliphatic ether type represented by a following general wherein M represents a tri- or tetravalent metal element capable of bonding to surfaces of the inorganic oxide fine particles; m is 0 or 1; n is an integer of 2 to 8 indicating the number of methylene groups in a chain; R1 represents an aliphatic group containing a straight chain formed by connecting 2 to 8 carbon atoms to each other, and both terminals of which are bonded to two oxygen atoms adjacent thereto; at least one of *1-, *2- and *3- is a bonding species capable of bonding to the surfaces of the inorganic oxide fine particles, and at least one of the *1-, *2- and *3- is bonded to the surfaces of the inorganic oxide fine particles; and *4- represents a bond with a polycarbonate molecule.

Abstract: A resin composition of the present invention has resin and a metal oxide particle composite contained in the resin as filler. The metal oxide particle composite has a metal oxide particle and an organic phosphorus compound chemically bonded to a surface of the metal oxide particle. The resin composition includes high aspect ratio metal oxide particles uniformly dispersed and is excellent in both the mechanical properties and transparency.

Abstract: An alumina particle composite (1) includes an alumina particle (2) and an organic acid (3) chemically bonded to a surface of the alumina particle (2). Further, the alumina particle (2) has a short axis length of 1 to 10 nm, a long axis length of 20 to 400 nm, and an aspect ratio of 5 to 80, and is represented by Formula I, Al2O3.nH2O??Formula I where n is 0 or more.

Abstract: An alumina particle (1) of the present invention has an alumina body with a short axis length (b) of 1 to 10 nm, a long axis length (a) of 20 to 400 nm and an aspect ratio (a/b) of 5 to 80. The alumina body is expressed by a Formula I, and n is not less than 0.

Abstract: A resin composition to be used as a material for a various part of an automotive vehicle. The resin composition comprises a copolymer (A) formed by copolymerization of a first unsaturated monomer (a) and a second mononer (b). The first unsaturated monomer has a functional group which is bondable by hydrogen bond to a hydroxyl group. The second monomer is copolymerizable with the first unsaturated monomer. A metal oxide (B) is dispersed in the copolymer and having hydroxyl groups and hydrophobic groups at surface of the metal oxide.

Abstract: A resin composition of the present invention comprises a polymer having functional groups and a metal oxide surface modified to form functional groups at a surface of the metal oxide and dispersed uniformly in the polymer. The functional groups of the polymer and the functional groups of the metal oxide are ionically bondable to the metal oxide and the polymer, respectively, so that the polymer and the metal oxide are bonded by ionic bonds to each other.

Abstract: A structure (1) for reflecting light uses at least two materials having different refractive indices. The structure (1) for reflecting light includes a first material (2) having light transmittance, and a plurality of fine structures (3) made of a second material, placed within the first material (2), with regularity sufficient to express reflection functions of light based on diffraction and scattering actions.

Abstract: A resin composition comprises a thermoplastic resin, and an oxidized compound having a hydrophobic group and a polar group on the surface thereof. The resin composition of the present invention has high rigidity, dimensional stability, transparency and impact strength by dispersing the oxidized compound having the hydrophobic group and the polar group on the surface thereof in the thermoplastic resin, and is thus preferably applied to various molded products and parts of a vehicle.

Abstract: A resin composition of the present invention comprises a polymer having functional groups and a metal oxide surface modified to form functional groups at a surface of the metal oxide and dispersed uniformly in the polymer. The functional groups of the polymer and the functional groups of the metal oxide are ionically bondable to the metal oxide and the polymer, respectively, so that the polymer and the metal oxide are bonded by ionic bonds to each other.

Abstract: For producing a modified silica composition, finely particulate silica with silanol groups is used. The finely particulate silica is so modified as to have a modification factor of 0.45 to 8 as expressed by the product (A×B) of the hydrophobic ratio (A) of its silanol groups and the total carbon number (B) of alkyl groups. It makes with a matrix resin a transparent resin composition of high transparency and rigidity which can make a thermoplastic resin laminate having an excellent appearance and suitable for application to a part for the exterior decoration of a vehicle.

Abstract: A resin composition to be used as a material for a various part of an automotive vehicle. The resin composition comprises a copolymer (A) formed by copolymerization of a first unsaturated monomer (a) and a second mononer (b). The first unsaturated monomer has a functional group which is bondable by hydrogen bond to a hydroxyl group. The second monomer is copolymerizable with the first unsaturated monomer. A metal oxide (B) is dispersed in the copolymer and having hydroxyl groups and hydrophobic groups at surface of the metal oxide.

Abstract: An alumina particle (1) of the present invention has an alumina body with a short axis length (b) of 1 to 10 nm, a long axis length (a) of 20 to 400 nm and an aspect ratio (a/b) of 5 to 80. The alumina body is expressed by a Formula I, and n is not less than 0. Al2O3.