Abstract: An electrolytic solution comprising N-(fluorosulfonyl)-N-(fluoroalkylsulfonyl)imide or di(fluorosulfonyl)imide, from which a residual solvent that affects the properties of the electrolyte solution material is reduced, is provided. A method for producing an electrolyte solution material containing fluorosulfonyl imide salt represented by the following general formula (1) and an electrolyte solution preparation solvent comprises decompressing and/or heating a solution containing the fluorosulfonyl imide salt and the electrolyte solution preparation solvent to volatilize a production solvent for the fluorosulfonyl imide salt. In general formula (1), R1 represents a fluorine atom or a fluorinated alkyl group having 1 to 6 carbon atoms, R2 represents an alkali metal ion.

Abstract: To provide a disposable diaper enabling reduction in re-wet amount and having an excellent speed of incorporating liquid regardless of concentration and configuration of a water-absorbing agent in an absorbent material. A water-absorbing agent having excellent Gel Capillary Absorption (GCA) and Free Gel Bed Permeability (FGBP) is obtained by crushing a crosslinked hydrogel polymer obtained in a polymerization step to have a specific weight average particle diameter while fluid retention capacity and a surface tension of a water-absorbing agent are adjusted in a specific range, drying the crushed crosslinked hydrogel polymer, and then adding a liquid permeability enhancer thereto during surface crosslinking or after surface crosslinking.

Abstract: A method for preparing a silicon nitride film with a high deposition rate and a reduced damage to the substrate and/or the underlying layer formed under the silicon nitride film. The method for preparing a silicon nitride film contains the steps of irradiating a nitride with an ultraviolet light, and contacting the nitride irradiated with the ultraviolet light and a hydrogenated cyclic silane represented by a general formula SinH2n, wherein n is 5, 6, or 7.

Abstract: The production method includes: a gel-crushing step of grinding a crosslinked hydrogel polymer to obtain a particulate crosslinked hydrogel polymer; a heating drying step of obtaining dried particles from the particulate crosslinked hydrogel polymer by using a continuous stirring drying machine; a post-crosslinking step of post-crosslinking the particulate crosslinked hydrogel polymer or the dried particles; and a sizing step of adjusting a particle size of the dried particles or the post-crosslinked dried particles to obtain water-absorbent resin powder. The particulate crosslinked hydrogel polymer contains a gel fluidizer. A gel temperature of the particulate crosslinked hydrogel polymer containing the gel fluidizer, the gel temperature being measured by a contact thermometer, is not lower than 50° C. In the production method, the dried particles or the post-crosslinked dried particles is forcedly cooled before the sizing step.

Abstract: As a method for producing a polyacrylic acid (salt)-based water absorbent resin particle which less generates fine powder and has an excellent impact resistance and a high moisture content even in a case where the polyacrylic acid (salt)-based water absorbent resin particle is produced on a large scale, employed is a production method including the steps of: (a) adding a surface crosslinking agent solution to water absorbent resin powder to obtain a mixture; (b) reacting the mixture; and, thereafter (c) adding an aqueous liquid to at least one selected from the group consisting of (i) the water absorbent resin powder during the step (b) and (ii) the water absorbent resin powder after the step (b), an atmospheric dew point being not lower than 20° C. in the step (c), and a temperature of the water absorbent resin powder being higher than the atmospheric dew point in the step (c).

Abstract: This invention provides a cell culture substrate comprising on its surface a fluorine-containing polymer that enables three-dimensional tissue culture. The cell culture substrate of the invention has a surface at least a part of which is composed of a resin composition comprising a fluorine-containing polymer having one or more fluorine atoms in a repeating unit and exhibits the oxygen gas permeability of 219 cm3 (STP)/(m2·24 h·atm) or higher. Three-dimensional tissue can be formed via cell culture with the use of the cell culture substrate of the invention.

Abstract: This aqueous dispersion contains monomer emulsion particles comprising a monomer component, wherein the monomer component contains (A) at least one monomer X selected from the group consisting of styrene-based monomers and alkyl (meth)acrylates including an alkyl group having 4 to 12 carbon atoms, (B) a nonionic emulsifier, (C) an aliphatic organic acid (alkyl ester) having 15 or more carbon atoms, and (D) a lipophilic active component, and the mean particle size of the monomer emulsion particles is 10 to 200 nm.

Abstract: An aqueous dispersion including a polymer having a 2-oxazoline group; and a surfactant, the surfactant containing a sulfuric acid ester compound represented by the following Chemical Formula (S): R1—O—(R2O)nSO3X??(S) wherein R1 represents an aliphatic hydrocarbon group having 8 to 20 carbon atoms; R2 represents an alkylene group having 2 to 4 carbon atoms; n represents 2 to 15; and X represents a monovalent cation.

Abstract: Provided are vinyl polymer microparticle which can reduce an average volume of the microparticles dropping off from a film surface while reducing the friction of the film. The vinyl polymer microparticles satisfy the following (1) to (3): (1) a coefficient of variation of particle sizes is 30% or more on a volume basis; (2) a proportion of vinyl polymer microparticles having a particle size of 1.7 times or more and 2.5 times or less a volume average particle size is 0.040% or less on a number basis; and (3) a volume average particle size is 3.7 ?m or more.

Abstract: An object of the present invention is to provide zirconium oxide nanoparticles having large particle diameters. The present invention is zirconium oxide nanoparticles wherein a ratio CD90/D50) of a cumulative 90% particle diameter D90 by volume to a cumulative 50% particle diameter D50 by volume in particle diameter measurement by a dynamic light scattering method is not larger than 3.0, and a half width for a (101) plane in XHD measurement in which CuK? rays are used as a light source is not larger than 1.20°. The zirconium oxide nanoparticles preferably have a diffusion coefficient in particle diameter measurement by a dynamic light scattering method of not larger than 7.0×10?7 cm2/sec.

Abstract: An electrolyte composition includes: a sulfonylimide compound represented by the following general formula (1) as an electrolyte salt; and an amidosulfuric acid component. LiN(X1SO2)(X2SO2)??(1) (where X1 and X2 are identical to or different from each other, and each represent a fluorine atom, an alkyl group with a carbon number of 1 to 6, or a fluoroalkyl group with a carbon number of 1 to 6).

Abstract: Provided is a compound represented by Formula (1) below. MaXbYc??(1) (In Formula (1), M represents metal other than alkali metal, X represents —N(SO2F)2, Y represents a coordinating solvent, and a, b, and c are positive numbers.

Abstract: Provided is an additive for a chemical agent, which is capable of improving the functions of various chemical agents. The additive for a chemical agent according to an embodiment of the present invention includes a polymer (I) containing 50 mol % to 100 mol % of a structural unit derived from an N-vinyl lactam-based monomer with respect to 100 mol % of structural units derived from all monomers, the additive for a chemical agent having an average particle diameter of 100 ?m or less in a state of having been dried under a reduced pressure of 0.02 MPa or less at 100° C. for 1 hour.

Abstract: The present invention provides an electrolyte composition that provides better charging/discharging performance when used in a cell than a conventional electrolyte composition. The present invention relates to an electrolyte composition containing an alkali metal salt, at least one polymer selected from the group consisting of a polyether polymer, a (meth)acrylic polymer, a nitrile polymer, and a fluoropolymer, and an ion dissociation accelerator. The composition has an alkali metal salt concentration of 1.8 mol/kg or higher.

Abstract: Provided is a method for producing a compound represented by formula (III) from a compound represented by formula (I) as a starting material.

Abstract: It is provided that a particulate hydrophilic resin that can be produced under mild conditions, and that has a small load on the environment. A resin particle comprising a crosslinked structure in which at least one of monomers represented by the following general formula (1) and a polyfunctional ethylenically unsaturated monomer are crosslinked, wherein R1 represents an alkyl group having 1 to 4 carbon atoms, a hydrogen atom, an alkali metal atom, or an ammonium.

Abstract: The present invention provides an electrolyte composition that provides better charging/discharging performance when used in a cell than a conventional electrolyte composition. The present invention relates to an electrolyte composition containing an alkali metal salt, at least one polymer selected from the group consisting of a polyether polymer, a (meth)acrylic polymer, a nitrile polymer, and a fluoropolymer, and an ion dissociation accelerator. The composition has an alkali metal salt concentration of 1.8 mol/kg or higher.

Abstract: An aqueous solution containing an alkali metal bis(fluorosulfonyl)imide, in which a total content of the alkali metal bis(fluorosulfonyl)imide and water is 98 mass % or more with respect to a total amount of the aqueous solution, and a pH is ?3 to 10.

Abstract: There is provided an ethyleneimine polymer (solution) capable of expressing excellent properties when used in such usages as, for example, coagulants for wastewater, papermaking chemicals such as freeness improvers and the like, enzyme immobilization agents, and adhesion improvers (for example, adhesion promoters for extrusion laminate (anchor coating agent)). To solve the above object, there is provided an ethyleneimine polymer solution including an ethyleneimine polymer and water, wherein a weight average molecular weight (Mw) of the ethyleneimine polymer is 200,000 or more, the weight average molecular weight (Mw) being measured based on pullulan by gel permeation chromatography (GPC), and a ratio of a component having a weight average molecular weight (Mw) of 30,000 or more is 60 mass % or more with respect to 100 mass % of a total amount of the ethyleneimine polymer.

Abstract: A ceramic sheet including a principal surface having particle marks is disclosed. The average width of the particle marks is 0.2 to 50 ?m, the average depth of the particle marks along the sheet thickness direction is 0.1 to 25 ?m, and the coefficient of variation of the widths of the particle marks is 0.23 or more.