Abstract: An azo pigment is provided which can be used as a coloring agent, etc. for use in paints, plastics, synthetic fibers, printing inks, and writing materials or for image recording or image displaying and which has performance of exhibiting high near infrared reflection/transparency, particularly when used as a heat-shielding paint, even in the case where the pigment has a dark color, and as a result, colored articles having the above-described properties are provided, and furthermore an article that is also useful as a printing ink in the security field is provided particularly when the pigment has a dark or black color. Specifically, an azo pigment is provided which is obtained through coupling reaction between a particular azo component and a particular coupling component, which has a plurality of chromophores of an azomethine group and of an azo group within a molecule, and in which the diazo component is a diazotized product of 3-(4-aminophenylimino)-1-oxo-4,5,6,7-tetrachroloisoindoline.

Abstract: The present invention provides resin beads that are capable of imparting stable water repellency and oil absorbency at a high level to products, and realizing good spreadability and excellent persistence of makeup without giving sticky feeling when added to, for example, cosmetic materials, the process for producing the resin beads, and various kinds of products using the resin beads and having excellent properties. Resin beads being resin particles obtained by subjecting a monomer mixture containing a plurality of monomers each having a copolymerizable functional group to suspension polymerization in a state where at least a non-polymerizable silicone compound is present, the resin particles each having a roughened surface, and a process for producing the resin beads, and various kinds of products each using the resin beads and each having excellent properties.

Abstract: The present invention provides resin beads that are capable of realizing a water repellent and oil repellent effect, and further, that are also capable of providing cosmetic materials excellent in persistence of makeup when added and used in cosmetic materials etc. because the resin beads themselves contain silicone in a fixed state, and the present invention also provides a process for producing the resin beads. Resin beads being resin particles (a copolymer) obtained by subjecting a monomer mixture containing a plurality of monomers each having a copolymerizable functional group to suspension polymerization in a state where at least a non-polymerizable silicone is present, the resin particles containing the silicon in a fixed state, and a process for producing the resin beads.

Abstract: The present invention provides a pigment dispersant that exhibits high fine dispersibility, stability, and fluidity in a small amount, a pigment dispersion liquid including the pigment dispersant, and a process of producing the pigment dispersant and pigment dispersion liquid. The pigment dispersant contains as a main component, a graft copolymer formed through living radical polymerization using two or more monomers containing including a methacrylate A having an acidic group or a basic group and a methacrylate-based macromonomer B having a methacrylate residue at one terminal of a particular polymer chain that has a molecular weight of from 500 to 5000. A ratio of a total molar number of the methacrylate-based monomers relative to 1 mol of a polymerization-initiating compound in the raw material monomers is from 20 to 50 mol. A ratio of the B component-derived polymer chain to the graft copolymer is from 50 to 90 mass %.

Abstract: A composite oxide black pigment has characteristics to absorb visible rays and near infrared rays, and is composed of an oxide of main constituent metals including copper, manganese and iron. In a wavelength region of 400 to 1,000 nm, the composite oxide black pigment has a minimum wavelength, at which a transmittance becomes minimum, in a wavelength region of 600 to 800 nm, a molar ratio of manganese/iron is 3/1 to 30/1, and a molar ratio of copper/(manganese+iron) is 1/2 to 1.2/2. Its sole use makes it possible to obtain a transparent vivid bluish, neutral gray color, and also to maximize an absorption in a near infrared region. It is, therefore, excellent in near infrared absorption characteristics.

Abstract: An aqueous liquid composition contains a water-based medium containing water, chitosan and/or a chitosan derivative, and a polymeric acid, and has a pH of not higher than 4.5. The aqueous liquid composition contains low-cost materials having low environmental load, can retain adequate viscosity even when stored over a long term, and can form a functional coating film having excellent adhesiveness to a base material and superb durability, solvent resistance and waterproofness and capable of exhibiting various functions led by electrical conductivity and hydrophilicity.

Abstract: A C.I. Pigment Yellow 74 as an insoluble azo pigment is provided. This C.I. Pigment Yellow 74 is crystalline particles. The ratio (26.6°/11.7°) of a diffraction intensity of a peak at 26.6° to a diffraction intensity of a peak at 11.7° in terms of Bragg angle (2?±0.2°) as measured by powder X-ray diffraction using CuK ?-radiation is 0.85 to 1.12, and the average primary particle size is 20 to 130 nm. The use of this C.I. Pigment Yellow 74 as a colorant in a coloring composition enables to provide the coloring composition with excellent dispersibility and good particle size stability and storage stability compared with conventional pigments. The use of this coloring composition enables the formation (recording) of images having excellent clarity and transparency of such high levels that have not been achievable by conventional technologies.

Abstract: A novel aqueous emulsion solution is provided that can be used as a binder for forming a coating film suitable for an inkjet printing system. The present invention is an aqueous emulsion solution containing a polymer I and a polymer II mixed together therein, wherein the polymer I is an A-B block copolymer formed from 90 mass % or more of a methacrylate-based monomer, the A-B block copolymer neutralized with an alkali, a polymer block A is substantially water-insoluble and has a number average molecular weight of 1000 to 10000 and a polydispersity index of 1.5 or less, a polymer block B is synthesized using a monomer containing at least a methacrylic acid and has an acid value of 30 to 250 mgKOH/g, the A-B block copolymer has a number average molecular weight of 5000 to 20000, a content of the polymer block A of 5 to 60% in the A-B block copolymer, and a polydispersity index as a whole of 1.

Abstract: The present invention provides a transistor element having a laminated structure, the laminated structure comprising a sheet-like base electrode being arranged between an emitter electrode and a collector electrode; at least one p-type organic semiconductor layer being provided on each of the surface and the back sides of the base electrode; and a current transmission promotion layer being formed, on each of the surface and back sides of the base electrode, between the base electrode and the p-type organic semiconductor layer or layers provided on each of the surface and back sides of the base electrode. According to the present invention, it becomes possible to provide a transistor element (MBOT) that is, in particular, stably supplied through a simple production process, has a structure capable of being mass-produced, and has a large current modulation effect and an excellent ON/OFF ratio at a low voltage in the emitter electrode and the collector electrode.

Abstract: Provided are a coating composition for forming a gas barrier layer as configured such that a specific compound having two or more 5-membered cyclic carbonate groups and a compound having two or more amino groups are reactable at an equivalent ratio of functional groups of 0.8 to 1.25 to form the gas barrier layer with a polyhydroxyurethane resin as a principal component; a gas barrier film formed of a single layer or multiple layers, at least one of the layer or layers that forms or form the film is a layer that exhibits gas barrier properties, and the layer is formed of a polyhydroxyurethane resin having a specific chemical structure; and a production method of a film having gas barrier properties.

Abstract: A method for removing radioactive cesium and/or iodine from a radioactive substance in liquid and/or a solid matter using a hydrophilic resin composition comprising a hydrophilic resin and a metal ferrocyanide compound, wherein the hydrophilic resin includes at least one hydrophilic resin selected from the group consisting of a hydrophilic polyurethane resin, a hydrophilic polyurea resin, and a hydrophilic polyurethane-polyurea resin each having at least a hydrophilic segment, and a metal ferrocyanide compound is dispersed in the hydrophilic resin composition in a ratio of at least 1 to 200 mass parts relative to 100 mass parts of the hydrophilic resin.

Abstract: Provided are a fine-particulate organic semiconductor material, a thin organic semiconductor film and an organic transistor. The fine-particulate organic semiconductor material is in a form of fine particles and is usable as an organic semiconductor material. The fine particles are fine thermotropic liquid crystal particles that undergo a phase transition into a liquid crystal state when heated to a temperature of from 50° C. to 350° C. The fine-particulate organic semiconductor material can easily and uniformly form the thin organic semiconductor film over a large area by a film printing process or a dispersion coating process. The thin organic semiconductor film has high electron mobility and high ON/OFF value.

Abstract: Disclosed are an alkoxysilyl-containing A-B block copolymer formed from (meth)acrylate monomers as constituent monomers, characterized in that a polymer block of A chain has a number average molecular weight (Mn) of from 1,000 to 50,000 and a molecular weight distribution (Mw/Mn) of not greater than 1.6, a polymer block of B chain comprises alkoxysilyl-containing (meth)acrylate units as constituent monomer units, and the A-B block copolymer as a whole has a molecular weight distribution of not greater than 1.6, a process for the production of the block copolymer, a resin-treated pigment, and a pigment dispersion.

Abstract: A problem is to provide polyhydroxyurethane microparticles, which have a narrow particle size distribution and are applicable to a wide range of use. Provided are polyhydroxyurethane microparticles which are spherical polymer microparticles having particle sizes of 0.1 ?m to 300 ?m. A polymer that makes up the polymer microparticles has in a structure thereof chemical structure units represented by the following formula (1) and/or chemical structure units represented by the following formula (2). In the chemical structure units (1) and (2), —O—CO— bonds have been derived from carbon dioxide.

Abstract: The present invention intends to provide a method for removing radioactive cesium, or radioactive iodine and radioactive cesium that is simple and low-cost, further does not require an energy source such as electricity, moreover can take in and stably immobilize the removed radioactive substances within a solid, and can reduce the volume of radioactive waste as necessary, and to provide a hydrophilic resin composition using for the method for removing radioactive cesium, or radioactive iodine and radioactive cesium, and the object of the present invention is achieved by using a hydrophilic resin composition containing: at least one hydrophilic resin selected from the group consisting of a hydrophilic polyurethane resin, a hydrophilic polyurea resin, and a hydrophilic polyurethane-polyurea resin each having at least a hydrophilic segment; and a clay mineral dispersed therein in a ratio of at least 1 to 180 mass parts relative to 100 mass parts of the hydrophilic resin.

Abstract: Disclosed are a polysiloxane-modified polyhydroxy polyurethane resin characterized by being derived from a reaction between a 5-membered cyclic carbonate polysiloxane compound represented by the below-described formula (1) and an amine compound, and its production process; and a resin composition, thermal recording medium, imitation leather, thermoplastic polyolefin resin skin material, weather strip material, and weather strip, all of which make use of the resin.

Abstract: A water-based, carbon filler-dispersed coating formulation for forming a conductive coating film contains (1) a hydroxyalkyl chitosan as a resin binder, (2) a conductive carbon filler, and (3) a polybasic acid or its derivative in a water-based medium containing at least water as a polar solvent. In 100 parts by mass of the coating formulation, the hydroxyalkyl chitosan (1) is contained in a range of from 0.1 to 20 parts by mass, and the conductive carbon filler (2) is contained in a range of from 1 to 30 parts by mass. An electricity-imparting material, an electrode plate for an electricity storage device, a process for producing the electrode plate, and the electricity storage device are also disclosed.

Abstract: A problem is to provide, in the field of polyhydroxy polyurethane resins the development of applications of which has not moved ahead by conventional technologies, a self-crosslinking polyhydroxy polyurethane resin, which enables to provide products, such as imitation leathers, excellent in abrasion resistance, chemical resistance, heat resistance and the like, and moreover, which is useful from the viewpoint of a reduction in greenhouse gas, contains carbon dioxide incorporated and fixed therein, and is responsive to environmental conservation.

Abstract: This invention relates to a composition characterized by containing, as essential components, deacetylated chitin and/or a deacetylated chitin derivative, and glyoxylic acid; a solution-containing gel formed from the composition; a water-insoluble chitosan coating; and a material obtained by treating a base material with the composition. According to the present invention, it is possible to provide a chitosan composition, which in a “one-pack” form, has a pot life. Even when dried at room temperature after coating or impregnation of a base material, the chitosan coating can be water-insolubilized with reduced yellowing.

Abstract: A water-based slurry composition contains (1) a water-based medium containing at least water as a polar solvent, (2) at least one polymer selected from cellulose derivatives, alginic acid derivatives, starch derivatives, chitin derivatives, chitosan derivatives, polyallylamine and polyvinylamine, (3) a hydrophobic filler, and (4) a polybasic acid or a derivative thereof. The composition has a water content of 30 mass % or higher. An electrode plate for an electricity storage device, and the electricity storage device are also disclosed.