Abstract: An object is to provide a compound which is advantageous in that a cured article obtained from the compound, despite being a curable resin, can easily achieve healing ability, remoldability, and dismantlability, a curable resin composition using the compound and a cured article obtained therefrom. Specifically, there is used a glycidyl group-containing compound comprising a conjugated diene structure (A) having at least one glycidyl group and a dienophile structure (B) having at least one glycidyl group, in which the conjugated diene structure (A) and the dienophile structure (B) are linked together by the Diels-Alder reaction. It is preferred that the conjugated diene structure (A) is a furan-derived structure or an anthracene-derived structure, and the dienophile structure (B) is a maleimide-derived structure.

Abstract: Provided is a defoaming agent exhibiting excellent defoaming property in a high temperature environment. Specifically, a defoaming agent includes a polymer having, as at least a polymerization component, a polymerizable monomer (A) having two or more groups represented by general formula (a) below (R11s are each independently an alkyl group having 1 to 6 carbon atoms, a phenyl group, or a group represented by —OSi(R14)3 (R14 are each independently an alkyl group having 1 to 6 carbon atoms or a phenyl group); R12s are each independently an alkyl group having 1 to 6 carbon atoms or a phenyl group; R13 is an alkyl group having 1 to 6 carbon atoms or a phenyl group; and x represents the number of repetitions).

Abstract: The layered body includes a seed layer that serves as a base for plating and that can be formed using a simple and low-cost method capable of ensuring stable quality and preventing the occurrence of scratches on the plating seed layer due to contact with a coating apparatus during application and contact with conveyor rollers. The layered body can provide good adhesion between a support and a metal layer (metal plating layer) without roughening the surface of the support. The transfer layered bodies is produced by forming a plating seed layer containing a dispersant and an electrically conductive material on a temporary support, forming a resin layer on the plating seed layer, and then allowing functional groups in the plating seed layer and functional groups in the resin layer to react with each other.

Abstract: An object of the present invention is to provide an inkjet ink having favorable abrasion resistance and alcohol resistance when being printed on various types of base materials such as plastic base materials and producing no odors during production and the like. Specifically, the present invention relates to a pigment dispersion for inkjet containing a dispersant (A), a pigment (B), a binder (C), and water (D), the dispersant (A) containing at least a non-cross-linked resin (A1) having a structural unit (a1) derived from an acid group-containing monomer, in the resin (A1), the acid groups in the structural unit (al) being neutralized using an alkanolamine with a neutralization rate of 80% or more and 200% or less with a neutralization rate when the acid groups are neutralized with a theoretical equivalent as 100%, and the alkanolamine having one to three hydroxy groups in a structure.

Abstract: It is an object of the present invention to provide a compound that can provide a liquid crystal composition with a high Tni, a high ?n, a high ??r, a low tan ?iso, and high storage stability at room temperature, a liquid crystal composition, as well as a liquid crystal display element, a sensor, a liquid crystal lens, optical communication equipment, and an antenna each using the liquid crystal composition. More specifically, the liquid crystal composition contains one or two or more compounds represented by the general formula (i) having a tetracyclic structure, —C?C— as a linking group between the ring structures, and an isothiocyanate group (—NCS).

Abstract: A method for producing a crosslinked polyarylene sulfide resin (PAS resin) that reduces a difference in melt viscosity among lots and has excellent quality stability is provided. Further specifically, the method includes steps of compression-molding an uncrosslinked PAS resin in a powder form to obtain a compression-molded material, measuring a true specific gravity of the compression-molded material, grinding the compression-molded product having a specific range of true specific gravity to obtain a pulverized material, granulating the pulverized material to obtain a granulated material, and oxidatively crosslinking the granulated material obtained in the above step. Also provided are a method for producing a composition containing the crosslinked PAS, and a method for producing a molded article by melt-molding the composition.

Abstract: A method for recovering a noble metal that enables recovering a noble metal with high selectivity from a liquid containing a noble metal and a base metal is provided. The method recovers a noble metal from a liquid containing the noble metal and a base metal with an adsorbent. The method includes preparing a liquid to be treated that contains the liquid containing the noble metal and the base metal and that has a pH of 4 or less at 23° C., and contacting the liquid to be treated with the adsorbent. The adsorbent contains particles of a polyarylene sulfide resin.

Abstract: Provided is an aqueous pigment dispersion having water, a pigment, and a cross-linked polymer, wherein the cross-linked polymer is a reaction product of a dispersion resin having an anionic group and a cross-linking agent, the dispersion resin having an anionic group is water soluble and has an acid value of 181 to 220 mgKOH/g, the cross-linking agent is a water-soluble compound having two or more epoxy groups, and the cross-linked polymer has a cross-linking ratio of more than 80%. The aqueous pigment dispersion can be used to produce an inkjet ink that maintains excellent storage stability even under high temperatures or in an environment with widely varied temperatures, and has excellent printability.

Abstract: A method for producing a furoic acid derivative may include an oxidation step of oxidizing a furfural derivative to obtain a furoic acid derivative in the reaction system of pH 3-12. A method for producing a furan derivative may include a decarboxylation step of decarboxylating a furoic acid derivative to obtain a furan derivative without using a catalyst, using an oxide of mono- to tri-valent transition metal as a catalyst, or using a high boiling point solvent. A method for producing a furan derivative may include the oxidation step of obtaining a furoic acid derivative and the decarboxylation step of obtaining a furan derivative. A method for producing a phthalocyanine derivative or an isoindoline derivative may include obtaining a phthalocyanine derivative or an isoindoline derivative from the furan derivative obtained by any one of the methods for producing a furan derivative.

Abstract: A gas separation membrane includes a hollow fiber membrane in a form of a hollow fiber having a lumen inside, and a separation function gel containing a carrier capable of chemically interacting with an acid gas. The hollow fiber membrane has a porous layer adjacent to the lumen and a dense layer located on an outer peripheral side of the porous layer. The separation function gel is supported on a surface of the porous layer. A gas separation module includes a gas separation membrane, a housing that accommodates the gas separation membrane, and a partition that divides a region inside the housing into a lumen-side region communicatively connected to the lumen and a shell-side region not communicatively connected to the lumen. The housing has a lumen-side region port communicatively connected to the lumen-side region and a shell-side region port communicatively connected to the shell-side region.

Abstract: Provided is a leveling agent that can impart high smoothness to a coating film.

Abstract: An object of the present invention is to provide a carbon black, an ink, and the like having excellent dispersion stability. A carbon black of the present invention includes iron element in an amount of 0.01 to 2.00 parts by mass per 100 parts by mass of the carbon black. Preferably, a ratio of Fe/C is 0.001 to 0.010, where Fe is a concentration in atomic % of the iron element on a surface of particles of the carbon black, and C is a concentration in atomic % of elemental carbon on the surface of the particles of the carbon black, as determined by X-ray photoelectron spectroscopy.

Abstract: A material recommendation device includes: an input device that receives an input of a product type and an emotion word; and a hardware processor that: based on material parameter information that associates a material used in a product belonging to the product type with a value of a sense parameter indicating a degree of a human sense for the material, extracts a value of a sense parameter for each material corresponding to the input product type; based on emotion word parameter information that associates the emotion word with the value of the sense parameter, extracts a value of a sense parameter corresponding to the input emotion word; and based on the extracted value of the sense parameter for each material and the extracted value of the sense parameter corresponding to the emotion word, determines the material to be recommended for the input emotion word.

Abstract: Provided is a sulfide compound capable of functioning as an extreme pressure agent excellent in oxidation stability and stability of a frictional wear reducing effect. Specifically, a sulfide compound containing at least a fatty acid triglyceride and sulfur as reaction components, wherein a content proportion of oleic acid in fatty acids constituting the fatty acid triglyceride is 80 mass % or more.

Abstract: An object of the present invention is to provide a 1,6-hexanediol composition that can improve the hydrolysis resistance of a polymer obtained using a 1,6-hexanediol composition as a reaction raw material, and a polymer obtained by reacting the 1,6-hexanediol composition. The invention relates to a 1,6-hexanediol composition containing either or both of 1,6-hexanediol and a 1,6-hexanediol derivative, and an alkali metal element, in which the total content of the alkali metal element with respect to the total amount of the composition is in the range of 0.1 to 1000 ppm by mass, and the composition has an acid value in the range of 0.001 to 1.0 mg KOH/g.

Abstract: Titanium oxide particles having a high solar reflectance are provided. Titanium oxide particles include titanium dioxide, and the titanium oxide particles have a value calculated as a standard deviation/an average particle size×100 of less than or equal to 30%. A method for producing the titanium oxide particles includes a mixing step and a firing step. The mixing step is a step of mixing a titanium compound with a molybdenum compound and at least one of a potassium compound or a sodium compound to form a mixture. The firing step is a step of firing the mixture. A molar ratio of Mo to M1 of the mixture is more than 0.5, where M1 represents Na and K.

Abstract: Provided is a polyurethane polyisocyanate that is less colored even when the content of unreacted isocyanate monomers is removed by distillation. A polyisocyanate composition (X) contains a polyurethane polyisocyanate (A1) which is a reaction product of a diisocyanate monomer (l) and a polyol compound (m), 0.1 mass % or less of a diisocyanate monomer (l?), sodium, and magnesium. The sodium has a content of 100 ppb or more and 700 ppb or less of the polyurethane polyisocyanate (A1), the magnesium has a content of 10 ppb or more and 50 ppb or less of the polyurethane polyisocyanate (A1), and the sodium and the magnesium have a mass ratio Na/Mg of 2 or more and 70 or less.

Abstract: Titanium oxide particles having a low dielectric loss tangent value are provided. Titanium oxide particles contain titanium dioxide, and the titanium dioxide has an average crystallite size of greater than or equal to 220 nm as determined by a peak at 2?=27.5°±1.0° obtained in an X-ray diffraction measurement. A method for producing the titanium oxide particles includes a mixing step and a firing step. The mixing step is a step of mixing a titanium compound with a molybdenum compound and at least one of a potassium compound or a sodium compound to form a mixture. The firing step is a step of firing the mixture. A molar ratio of Mo to M1 of the mixture is more than 0.5, where M1 represents Na and K.

Abstract: The aqueous pigment dispersion for IJ inks has excellent dispersion quality as well as high color strength and light fastness and is particularly suited for use as an IJ aqueous pigment ink. It includes C.I. Pigment Yellow 180, a block copolymer having an acid value of 10 or more and 20 or less and an amine value of 20 or less, and water. The present invention also provides C.I. Pigment Yellow 180 having an aspect ratio of 1.0 to 2.0, a primary particle shorter diameter of 30 to 100 nm, and a crystallite size of 15.0 nm or more as calculated from the Scherrer equation based on the full width at half maximum of a peak A indicated by a maximum diffraction intensity at a diffraction angle 2?=6.7±0.5° in a powder X-ray diffraction pattern of diffraction intensities versus 20 measured using CuK? radiation.

Abstract: Molybdenum carbide includes a Mo2C crystal structure, in which a content of carbon with respect to a total mass (100 mass %) of the molybdenum carbide is 6% or more.