Abstract: There are provided a useful resin composition for a back-surface layer and a heat-sensitive transfer recording material using the same, wherein under the circumstances where the temperature of thermal heads has been increased, the back-surface layer of the formed heat-sensitive transfer recording material has more excellent heat resistance, damage to a thermal head can be alleviated, and durability is excellent in that bleeding is suppressed even if the silicone content is increased. The present invention provides a resin composition for a back-surface layer to be used for forming a back-surface layer of a heat-sensitive transfer recording material, the resin composition containing, as film-forming components, a siloxane-modified urethane- or urea-based resin A, a resin B, and a cross-linking agent C, wherein the resin A contains a polysiloxane component in a range of 5 to 55%, the resin B has at least one active-hydrogen-containing group and has a glass transition point of lower than 100° C.

Abstract: The present invention provides resin beads that can provide various types of products such as cosmetics which are unlikely to generate an odor and have superior tactile impression and spreadability on the skin and that can be substituted for resin particles composed of a synthetic material derived from petroleum, and the present invention also provides various types of products such as cosmetics using the resin beads. The resin beads are formed with a resin containing a cellulose derivative as a main component. In the resin beads, the cellulose derivative is at least one selected from the group consisting of cellulose acetate, cellulose acetate propionate, ethyl cellulose, and hydroxypropyl methyl cellulose, the volume average particle diameter is 50 ?m or smaller, the degree of sphericity is 0.7 to 1.0, the degree of surface smoothness is 80 to 100%, the acetyl group content ratio is 15% by mass or less, and the propionyl group content ratio is 10% by mass or more.

Abstract: A quinacridone solid solution pigment that allows a colored product to have high chroma and a properly yellowish hue and has a controlled particle diameter, and a method for producing the quinacridone solid solution pigment. In the method, a water-containing crude quinacridone solid solution is produced by a co-cyclization reaction of a diarylaminoterepththalic acid and a dialkylarylaminoterephthalic acid in polyphosphoric acid, then the resulting water-containing crude quinacridone solid solution having a mass ratio of unsubstituted quinacridone to a 2,9-dialkylquinacridone of 85:15 to 60:40 is dried, thereby obtaining a powdery, crude quinacridone solid solution having a water content of less than 1%. Then, the resulting powdery, crude quinacridone solid solution is heated in a liquid medium that does not dissolve the crude quinacridone solid solution. Also, a pigment dispersion liquid and an inkjet ink each containing the obtained quinacridone solid solution pigment are provided.

Abstract: The present invention provides resin beads that can provide various types of products, such as a cosmetic having excellent tactile impression, spreadability on the skin, and transparency, that can be substituted for resin particles composed of a synthetic material derived from petroleum, and that have favorable biodegradability, and the present invention also provides various types of products, such as a cosmetic using the resin beads. The resin beads are formed with a resin containing cellulose as a main component. The resin beads have a cumulative 50% particle size on a volume basis of 50 ?m or smaller, a degree of sphericity of 0.7 to 1.0, a degree of surface smoothness of 70 to 100%, a degree of solidity of 50 to 100%, and a biodegradation rate for 5 days, as measured in accordance with JIS K6950:2000 (ISO 14851:1999), of 20% or more, and the content of the cellulose in the resin is 90 to 100% by mass.

Abstract: Provided is a porous layer structure including a base material (A) and a urethane foam layer provided on the base material (A), wherein the urethane foam layer is a foam layer formed by foaming a urethane prepolymer having an isocyanate group, the urethane foam layer has a density of 0.10 to 0.60 g/cm3, and the urethane prepolymer substantially contains no volatile component and satisfies a predetermined composition.

Abstract: There is provided a technique for producing a quinacridone solid solution pigment, the technique making it possible to obtain a quinacridone solid solution pigment which produces a colored product having high chroma and a bluish hue, more preferably which has controlled particle diameters.

Abstract: The present invention provides: a novel production technique that enables production of a polymer whose molecular weight and molecular weight distribution are controlled and production of a polymer having a complicated structure in a desirably controlled manner using commercially available materials without using a radical polymerization initiator or a special material for use in living radical polymerization and without the need for strict polymerization conditions; and a radical polymerization initiating group-containing compound for use in the technique.

Abstract: Provided is an electrically conductive resin composition with which the characteristics inherent in a thermoplastic resin are easily retained and which exhibits more excellent electrical conductivity even if the blending amount of an electrically conductive filler is small. This electrically conductive resin composition contains a thermoplastic resin, such as a polycarbonate or a polyolefin, and an electrically conductive filler, such as a carbon nanotube. This electrically conductive resin composition further contains a dye, such as a perinone-based dye or a disazo-based dye, which is a component for improving electrical conductivity, and this electrically conductive resin composition can be obtained by kneading or molding a raw material mixture containing a thermoplastic resin, an electrically conductive filler, and a dye under a condition of a temperature equal to or higher than the melting point of the thermoplastic resin.

Abstract: The present invention provides an aqueous pigment dispersion liquid being such that a pigment is finely dispersed, and the viscosity, and the particle diameters of the pigment are unlikely to fluctuate, being excellent in storage stability, and enabling preparation of an emulsion-polymerized toner having properly controlled particle diameters while improving the pigment utilization rate. The aqueous pigment dispersion liquid is an aqueous pigment dispersion liquid for an emulsion-polymerized toner containing a pigment, a dispersant, and an aqueous medium.

Abstract: The present invention provides an ionizing radiation curable paint composition which is capable of forming a cured film that has excellent elongation (for example, 30% or more) under heating and has excellent solvent resistance and chemical resistance and which can contain an alcohol as a diluent solvent. The ionizing radiation curable paint composition contains a urethane (meth)acrylate oligomer (A1) having 6 or more (meth)acryloyl groups and having a weight average molecular weight of 3,000 to 50,000, wherein the urethane (meth)acrylate oligomer (A1) is a silicone-modified oligomer having a constituent unit (a) derived from a multifunctional (meth)acrylate monomer having a hydroxy group and 3 or more (meth)acryloyl groups, a constituent unit (b) derived from an alcohol having 2 or more hydroxy groups and having a molecular weight of 100 or lower, a constituent unit (c) derived from isophorone diisocyanate, and a constituent unit (d) derived from a carbinol-modified polysiloxane.

Abstract: A method for producing resin beads providing various types of products, such as cosmetics, imparted with superior tactile impression, spreadability on skin, transparency, and product stability is provided. The resin beads containing a cellulose derivative as a main component can replace resin particles composed of a synthetic material derived from petroleum. The production method includes: preparing a suspension containing oil droplets containing the cellulose derivative and an organic solvent by mixing an oil phase containing the cellulose derivative and an organic solvent dissolving the cellulose derivative and having a water-solubility of 0.1 to 50.0 g, with an aqueous phase containing a dispersion stabilizer; and contracting the oil droplets by adding water to the suspension, satisfying expression (A) below as defined in the specification, until a content of the organic solvent in the suspension becomes equal to or less than the water-solubility of the organic solvent: (W/S)/T?1.00 . . . (A).

Abstract: There is provided a technique for producing a quinacridone solid solution pigment, the technique making it possible to obtain a quinacridone solid solution pigment which produces a colored product having high chroma and a bluish hue, more preferably which has controlled particle diameters.

Abstract: The present invention provides nanometer-sized fibers that are produced by an electrospinning method with use of a spinning solution for electrospinning, said spinning solution being environmentally friendly and taking the effects of an organic solvent on the human body into consideration.

Abstract: The present invention provides a simple method for producing a medical/cosmetic sheet that is excellent in adhesion to skin or the like and sense of wearing, and is capable of releasing a functional component gradually and supplying it continuously to a treatment area or the like, and a medical/cosmetic sheet produced by this production method. Provided is a method for producing a medical/cosmetic material including a step of shaping a raw material containing a water-soluble salt of a first polyanionic polysaccharide having a viscosity-average molecular weight of 10,000 or lower, and a water-soluble salt of a second polyanionic polysaccharide having a viscosity-average molecular weight of 50,000 or higher, and thereby obtaining a water-soluble shaped body. A medical/cosmetic material produced by this production method is also provided.

Abstract: The present invention relates to a urethane prepolymer having an isocyanate group, a viscosity at 100° C. of 30 to 600 dPa·s, and a thermal softening temperature after moisture curing of 75 to 155° C.

Abstract: The present invention provides an alumina-based thermally conductive oxide that is excellent not only in thermal conductivity but also in chemical resistance, water resistance, and electrical insulation, that has a good kneadability (miscibility) into resins, and that enables to produce a material or an article, such as a resin composition, which is excellent in shapability. The present invention is an alumina-based thermally conductive oxide obtained by firing a starting material mixture containing an aluminum starting material.

Abstract: The present invention provides a cosmetic shaped product: which is substantially formed with relatively low-molecular-weight hyaluronic acid or a water-soluble salt thereof having a high penetrability into the skin; which is easily soluble to water; and which has satisfactory handling properties, and a method for producing the cosmetic shaped product. There is provided a cosmetic shaped product being a sponge-like shaped body formed with at least one polyanionic polysaccharide of hyaluronic acid and a water-soluble salt thereof each having an average molecular weight of 30,000 or lower, the sponge-like shaped body having a bulk specific gravity of 5 to 500 mg/mL. This cosmetic shaped product can be produced by freeze-drying an aqueous solution having a content of the polyanionic polysaccharide of 0.5 to 30% by mass.

Abstract: A material for medical use, which contains nanofibers that are formed from a resin containing a silicone-modified polyurethane resin, and which is characterized in that: the silicone-modified polyurethane resin is a reaction product of (A) a long-chain polyol that has a number average molecular weight of 500 or more, (B) a short-chain polyol that has a number average molecular weight of less than 500, (C) an active hydrogen group-containing organopolysiloxane and (D) a polyisocyanate; and the average fiber diameter thereof is less than 2,000 nm. This material for medical use exhibits excellent performance in a biological test.

Abstract: The present invention relates to a polyurethane urea water dispersion that is a reaction product of a polyol component containing a polymer polyol (A), a polysiloxane compound (S) having at least one active hydrogen-containing group, a compound (B) having at least one active hydrogen and a hydrophilic group in a molecule thereof, and a dihydric alcohol (C); a polyisocyanate (D); and a polyamine (E) having two primary amino groups and at least one secondary amino group, wherein the polyurethane urea water dispersion has an acid value of 1 to 16 mgKOH/g as expressed in terms of a solid component.

Abstract: Provided is a porous layer structure including a base material (A) and a urethane foam layer provided on the base material (A), wherein the urethane foam layer is a foam layer formed by foaming a urethane prepolymer having an isocyanate group, the urethane foam layer has a density of 0.10 to 0.60 g/cm3, and the urethane prepolymer substantially contains no volatile component and satisfies a predetermined composition.