Abstract: Provided are an equol determination kit that selectively determines equol with high sensitivity by surface-enhanced Raman scattering, and a method for selectively determining equol with high sensitivity by surface-enhanced Raman scattering. The equol determination kit of the present disclosure determines equol by the surface-enhanced Raman scattering spectroscopy. The method for determination of equol of the present disclosure is a method for determination of equol by the surface-enhanced Raman scattering spectroscopy. In the method, equol is preferably determined by analyzing a peak found in at least one wavelength region selected from the group consisting of 1530 to 1630 cm?1, 1230 to 1330 cm?1, 1140 to 1240 cm?1, and 535 to 635 cm?1.

Abstract: To yield a high-purity 1,3-butylene glycol product that is colorless and odorless (or almost colorless and odorless) and unlikely to cause or increase coloration and odor over time. A 1,3-butylene glycol product containing 1,3-butylene glycol, wherein a sum of contents of acetaldehyde, crotonaldehyde, methyl vinyl ketone, acetone, formaldehyde, butylaldehyde, acetaldol, 1-hydroxy-3-butanone, 2-butanol and compounds represented by Formulas (1) to (10) below is less than 65 ppm.

Abstract: There is provided a composition for a fiber-reinforced composite material, the composition being capable of forming the fiber-reinforced composite material having a long pot life, the excellent work stability, and a high heat resistance. The composition for a fiber-reinforced composite material according to the present invention contains a radically polymerizable compound (A) having not less than two radically polymerizable groups in one molecule thereof, a cationically polymerizable compound (B) having not less than two cationically polymerizable groups in one molecule thereof, a radical polymerization initiator (C) having a 10-hour half-life decomposition temperature of not less than 85° C.; and an acid generator (D) having an exothermic onset temperature of not less than 100° C. as measured using a differential scanning calorimeter (DSC) at a temperature-rise rate of 10° C./min, wherein the composition has a viscosity at 25° C. of not less than 10,000 mPa·s.

Abstract: The present invention provides a highly retort-resistant metal can coating material that can form a pinhole-free coating that excels in strength, solvent resistance, impact resistance, processability, etc., and a metal can coated with the coating material. The metal can coating material contains particles of a thermoplastic resin, and the thermoplastic resin contains at least 10 mass % of a polybutylene naphthalate resin (PBN). Preferably, the particles have an average primary particle diameter in the range from 10 nm to 1000 nm.

Abstract: It is intended to obtain a photosensitive resin composition that is capable of forming a highly fine pattern with a high aspect ratio while attaining the high adhesion of the pattern to a substrate, having low autofluorescence, and being exceedingly suitable for producing a biochip that causes exceedingly low damage on cultured cells. The photosensitive resin composition for forming a biochip of the present invention contains: an epoxy compound (A1) of a particular structure having an oxycyclohexane skeleton having an epoxy group; an epoxy compound (A2) of a particular structure which is a polyvalent carboxylic acid derivative having an epoxidized cyclohexenyl group; a cationic photoinitiator (B); and a solvent (C).

Abstract: A high-purity cycloaliphatic diepoxy compound of General Formula (II) is an epoxidized product of a cycloaliphatic diolefinic compound of General Formula (I) having an isomer content as detected in gas chromatography (GC) of 15% or less: wherein X represents a bivalent group selected from the group consisting of, for example, O, S, —SO—, —SO2—, —CH2—, and —C(CH3)2—; and R1 to R18 may be the same as or different from each other and each represent hydrogen atom, a halogen atom, a hydrocarbon group which may contain oxygen atom or a halogen atom, or an alkoxy group which may be substituted. Such a high-purity cycloaliphatic diepoxy compound is prepared by producing the cycloaliphatic diolefinic compound through distillation, epoxidizing the compound with an aliphatic percarboxylic acid containing substantially no water, carrying out desolvation, and further purifying the epoxidized compound through distillation.

Abstract: A high-purity cycloaliphatic diepoxy compound of General Formula (II) is an epoxidized product of a cycloaliphatic diolefinic compound of General Formula (I) having an isomer content as detected in gas chromatography (GC) of 15% or less: wherein X represents a bivalent group selected from the group consisting of, for example, O, S, —SO—, —SO2—, —CH2—, and —C(CH3)2—; and R1 to R18 may be the same as or different from each other and each represent hydrogen atom, a halogen atom, a hydrocarbon group which may contain oxygen atom or a halogen atom, or an alkoxy group which may be substituted. Such a high-purity cycloaliphatic diepoxy compound is prepared by producing the cycloaliphatic diolefinic compound through distillation, epoxidizing the compound with an aliphatic percarboxylic acid containing substantially no water, carrying out desolvation, and further purifying the epoxidized compound through distillation.

Abstract: There are provided a curable resin composition composed of an epoxy compound having an ionic polymerizability and viscosity of not more than 1,000 cP at 25° C., an acrylic resin having an ionic polymerizable functional group, and a thermally-activating ionic polymerization catalyst which can be dissolved by heating and crystallized by cooling, a method for the preparation thereof, and a coated article using the curable resin composition. The curable resin composition is excellent in storage stability, and a cured coating layer therefrom is excellent in heat resistance, staining resistance, removability of staining substances, or scratch resistance, and an electrical insulating property, and in which dependence of volume resistivity upon temperatures is small, and from which an excellent coated article is obtained, and it is widely utilized in industry.

Abstract: In the present invention I, it was able to develop by water, and water resistance is improved in a cured coating layer owing to a photocurable resin composition containing a resin having hydroxyl groups and a polymerizable unsaturated groups, a photopolymerizable initiator, and a photo-polymerizable monomer, and it becomes unnecessary to conduct pH control of a developer which is problematic in alkali development.

Abstract: The present invention No. I is to obtain a high purity 3-alkoxy-1-propanol having the content of alcoholic impurities of not more than 0.3% by weight by allowing to react acrolein with a linear or branched alcohol having a carbon number of 1-4 using acrolein having the content of propionaldehyde of not more than 1% by weight as a raw material, a 3-alkoxy-1-propanol is produced by a hydrogenation reaction using hydrogen of a reaction mass under the presence of a catalyst, followed by recovering through a distillation of the 3-alkoxy-1-propanol having the content of alcoholic impurities of not more than 0.3% by weight from a crude solution in the hydrogenation reaction.

Abstract: There are provided a curable resin composition composed of an epoxy compound having an ionic polymerizability and viscosity of not more than 1,000 cP at 25° C., an acrylic resin having an ionic polymerizable functional group, and a thermally-activating ionic polymerization catalyst which can be dissolved by heating and crystallized by cooling, a method for the preparation thereof, and a coated article using the curable resin composition.

Abstract: A polyurethane resin obtained from a diisocyanate compound and a polyester polyol. The polyester polyol may (1) comprise not less than 50% by weight of a polyester glycol having a molecular weight of 500-5,000, the polyester glycol being obtained by reacting an acid and 3,3,5-trimethyl-1,6-hexanediol or 2,2,4-trimethyl-1,6-hexanediol and have a molecular weight of 500-5,000, (2) have a number average molecular weight of 500-5,000 and an alcohol hydroxyl group at terminals thereof and comprise not less than 50% by weight of ester units, the ester units being derived from a dicarboxylic acid and 3,3,5-trimethyl-1,6-hexanediol and/or 2,2,4-trimethyl-1,6-hexanediol, or (3) have a number-average molecular weight of 500-5,000 and comprise not less than 50% by weight of ester units of an aliphatic dicarboxylic acid and trimethyl-1,6-hexanediols.