Abstract: Zinc oxide particles having a polyhedron shape, wherein the crystallite diameter of the [100] plane of the zinc oxide particles is 200 nm or greater. A method for producing the zinc oxide particles, the method including firing a zinc compound in the presence of a molybdenum compound. A resin composition containing the zinc oxide particles and a resin.

Abstract: An object of the present invention is to provide a negative electrode active material having excellent charge/discharge characteristics (charge and discharge capacities, initial coulombic efficiency, and cycle characteristics). The object is achieved by providing a negative electrode active material containing: a silicon-based inorganic compound (a) composed of silicon (excluding zerovalent silicon), oxygen, and carbon; and silicon (zerovalent) (b). The equivalent constituent ratio [Q units/(D units+T units+Q units)] indicating the chemical bonding state (D units [SiO2C2], T units [SiO3C], Q units[SiO4]) of the silicon (excluding zerovalent silicon) present in the silicon-based inorganic compound (a) is within the range of from 0.30 to 0.80 inclusive.

Abstract: A curable composition to be cured to a cured product excellent in heat resistance and dielectric properties, a cured product of the curable composition, a printed wiring board, a semiconductor sealing material, and a build-up film. There is a curable composition containing an aromatic ester compound (A) and a maleimide compound (B), the aromatic ester compound (A) being represented by structural formula (1) (where in the formula, Ar1 is a substituted or unsubstituted aromatic ring group, each R1 is a polymerizable unsaturated bond-containing substituent, each 1 is 0 or 1, each R2 is any of an alkyl group, an alkoxy group, an alkyloxycarbonyl group, an alkylcarbonyloxy group, and a halogen atom, each m is 0 or an integer of 1 to 5, and n is 2 or 3, provided that at least one polymerizable unsaturated bond-containing substituent is contained in one molecule as a substituent on Ar1 or as R1).

Abstract: Provided are a curable composition, a cured product thereof, and an adhesive. The curable composition contains a blocked isocyanate prepolymer (A) formed from a polyol compound (a1), a polyisocyanate compound (a2), and a blocking agent (a3) as essential raw materials, an epoxy resin (B), and a curing agent (C). The blocking agent (a3) contains a phenol compound having a hydrocarbon group having 12 or more carbon atoms. The curable composition has excellent adhesive properties and resistance to humidity and heat, and can be suitably used for an adhesive and the like.

Abstract: A color material aqueous solution having excellent thermal stability under acidic conditions, a method for manufacturing such a color material aqueous solution, and a blue-colored beverage are provided. Provided are: an acidic color material aqueous solution containing phycocyanin (A), a polyvalent carboxylic acid (B) containing one or more hydroxy groups, and at least one kind of nonionic emulsifier (C) selected from the group consisting of sucrose esters and polyglycerol esters, the at least one kind of nonionic emulsifier (C) having an HLB of 15 or more; a method for manufacturing an acidic color material aqueous solution including a step of dissolution in water (D); a method for manufacturing a color material aqueous solution in which the raw materials are dissolved in water; and a blue-colored beverage.

Abstract: An object of the present invention is to provide a light-curable resin composition having reduced soot residue at the time of mold preparation and reduced occurrence of cracks and fractures. The present invention has found that a light-curable resin composition including a (meth)acrylate-based UV-curable resin (A) (with proviso that the following compound (B) is omitted), and a compound (B) having an alkylene glycol skeleton represented by a specific chemical formula in a structure allows the soot residue at the time of mold preparation to be reduced and occurrence of cracks and fractures to be reduced, whereby the above object is achieved.

Abstract: A display unit color-correction method includes: a first step of displaying a prescribed image on a display unit of a portable communication terminal that includes an imaging unit and the display unit; a second step of acquiring imaging data by imaging a color chart, which is a printed matter, and the display unit with the prescribed image displayed thereon together or individually by the imaging unit; and a third step of correcting a color of the display unit by using color information on the prescribed image in the imaging data and color information on a color in the color chart in the imaging data.

Abstract: The present disclosure provides a method for producing a liquid crystal material. The method includes a step (I) of preparing a liquid crystal material and a step (II) of measuring the liquid crystal material with a delta delay measurement mechanism that measures a delta delay value of the liquid crystal material. The delta delay measurement mechanism includes a single coaxial tube and a mechanism that calculates the delta delay value of the liquid crystal material. The single coaxial tube includes a linear inner conductor and an outer conductor having a space through which the inner conductor extends. The delta delay value is a difference between a transmission delay time t0 and a transmission delay time tv.

Abstract: A mold, a method for producing a plate-shaped molded article, and a method for producing a test piece capable of easily producing a test piece in which an orientation direction of a filler is highly aligned are provided. A method for predicting a characteristic of a resin composition molded article is also provided, the method being able to measure an anisotropy characteristic value of a resin composition by using the test piece and to improve prediction accuracy by using the characteristic value in a computer analysis. Further in detail, a mold for injection molding the plate-shaped molded article by using a molten material of a thermoplastic resin includes a runner section that has a slit gate section provided along a width direction of the plate-shaped molded article and is configured to fill a cavity with the molten material, which is injected via a sprue section, via the slit gate section.

Abstract: A black sheet (1) includes a laminate of a base sheet (11) and an infrared reflecting layer (12). The CIE color values (L*, a*, b*) and the infrared reflectance R/[%] at a wavelength of 850 nm are within the following respective ranges.

Abstract: An object is to provide a cured product superior in heat resistance (high glass transition temperature) and dielectric properties (low dielectric properties) by using a curable resin having a specific structure and superior in storage stability. Specifically, a curable resin represented by general formula (1) below and having a hydroxyl group concentration of 0.005 to 3800 mmol/kg is provided.

Abstract: Provided is an adhesive tape that has satisfactory conformability to a high step of an adherend while maintaining high impact resistance, and has removable performance that enables easy peeling when articles, such as electronic devices, are disassembled. The adhesive tape has an adhesive layer on one side or both sides of a foam base directly or with another layer interposed therebetween. The foam base has a tensile strength of 650 N/cm2 or more in a flow direction, a compressive strength at 25% of 1000 kPa or less, and a density of 0.35 g/cm3 to 0.90 g/cm3.

Abstract: [Object] An object of the present invention is to provide a high-aspect-ratio plate-like alumina particle having low aggregability and high dispersibility and a method for producing the particle. [Solving Means] The above problem is solved by providing a plate-like alumina particle including a step of firing an aluminum compound in the presence of a shape-controlling agent and a molybdenum compound serving as a fluxing agent. The above problem is solved also by providing a method for producing a plate-like alumina particle, the method including a step in which the aluminum compound and the molybdenum compound react with each other to form aluminum molybdate and a step in which the aluminum molybdate is decomposed to obtain the plate-like alumina particle.

Abstract: A forced extraction molded article that can prevent damage during forced extraction is provided. The force extraction molded article (1) is formed of a polyarylene sulfide resin composition so as to include a cylindrical portion, wherein the cylindrical portion (10) has at a forward end portion a bulge (11), and an inner surface including a step in the outer diameter direction at the forward end portion, a portion excluding the step has a gradient such that the inner diameter of the cylindrical portion increases toward the forward end portion, and equation (a) below using a thickness D2 between a connection portion at the step on the inner surface of the cylindrical portion and the outer surface excluding the bulge, a height D4 of the step, and a height Dt of the gradient excluding the step on the inner surface of the cylindrical portion is satisfied. [ Equation ? 1 ] ? 0 . 0 ? 0 ? 1 ? D ? 2 2 - D ? 4 D ? 2 × D ? t D ? 2 ? 0 .

Abstract: A resin composition for stereolithography that can reduce generation of color unevenness and provide excellent formability is provided. The resin composition for stereolithography includes an ultraviolet curable resin (A) and an inorganic pigment (B) that are blended, in which the inorganic pigment (B) has a specific gravity of 2.0?? and a particle size distribution of a particle diameter of D50?5 ?m and D90?20 ?m, and a viscosity of the resin composition for stereolithography at 25° C. is 100 Pa·s or more.

Abstract: A thermosetting urethane resin composition having excellent self-healing properties, antifouling properties, and elongation, a film including a curable coating of the thermosetting urethane resin composition, and a product including the film are provided. The thermosetting urethane resin composition contains a main agent containing a urethane prepolymer and an organic solvent and a curing agent. The urethane prepolymer contains a composition containing a polyol, a polyisocyanate, and a chain extender and has a hydroxy group at an end. The polyol contains a polyol having no aromatic ring. The polyol having no aromatic ring contains liquid and solid polycarbonate polyols. The polyisocyanate contains a polyisocyanate having no aromatic ring. The chain extender contains a low molecular weight triol. The curing agent contains triisocyanate. The percentage of the total amount of the low molecular weight triol and the triisocyanate is 10 mass % or higher and 35 mass % or lower.

Abstract: A polymerization catalyst composition contains a rare earth element carboxylate, a phosphate ester represented by the following general formula (1): (wherein Rs are each independently an alkyl group having 5 to 20 carbon atoms), and water.

Abstract: An aqueous urethane resin composition includes a urethane resin and an aqueous medium, wherein the urethane resin is a reaction product of a polyol comprising an anionic group-containing polyol and an aromatic polyisocyanate, and has an anionic group concentration of 0.35 mmol/g or less. A synthetic leather is also provided. The synthetic leather includes a laminate including at least a base fabric, a bonding layer, and a skin layer, wherein the bonding layer is made from the aqueous urethane resin composition. A task to be achieved is to provide an aqueous urethane resin composition exhibiting excellent peel strength, hydrolytic resistance, and light resistance.

Abstract: The invention relates to a method for peeling a pressure-sensitive adhesive tape including: a pressure-sensitive adhesive layer. The pressure-sensitive adhesive tape has a thickness greater than 150 ?m and smaller than 1,500 ?m, an elongation at break of 600% to 3,000%, and a stress at break of 2.5 to 80.0 MPa. According to the invention, the conformity and the adhesion with respect to an adherend, particularly, a hard adherend, are excellent, and excellent re-peeling properties are obtained, so that the pressure-sensitive adhesive tape can be stretched and peeled off in a horizontal direction, without necessity for embrittling the pressure-sensitive adhesive tape by heating or by using an organic solvent or the like or without remaining of the pressure-sensitive adhesive on the adherend, in a case of peeling the pressure-sensitive adhesive tape.

Abstract: Provided is a polymer functioning as a leveling agent that imparts high smoothness to a coating film.