Abstract: The present invention provides an easy method for producing a water absorbent agent that has a low moisture content and that has a small dust generation amount without decreasing various physical properties. A present inventive method for producing a water absorbent agent of the present invention includes mixing not lower than 0.06 parts by mass and not higher than 5 parts by mass of an inorganic acid alkali metal salt powder with 100 parts by mass of a water-absorbent resin in an indefinite ground form.

Abstract: An easily polymerizable substance handling device is provided that can prevent generation of irregularities and steps between a pipeline and a cover member due to the cover member being installed at an opening part of the pipeline. A cover part 3 is formed to have a curved surface 3a on a side closer to inside of a pipeline 1. The shape of the surface 3a on the pipeline 1 side is preferably a concave shape when viewed from inside of the pipeline 1. The shape of the surface 3a of the cover part 3 on the pipeline 1 side is more preferably the shape of a curved surface having a curvature radius equal or approximate to that of the internal circumference of the pipeline 1. With this configuration, a polymer material is unlikely to be generated at the cover part 3 and around a gap 1b at an opening part 1a, and the frequency of cleaning can be reduced as compared to conventional cases.

Abstract: A method for purifying an aqueous sulfonylimide solution includes heating an aqueous sulfonylimide solution containing a sulfonylimide compound represented by the general formula (1). A method for producing a non-aqueous electrolyte solution includes adding an electrolyte solution solvent to the aqueous sulfonylimide solution purified by the purification method to dehydrate the aqueous sulfonylimide solution. A method for producing an electrolyte composition includes distilling off the electrolyte solution solvent from the non-aqueous electrolyte solution obtained by the production method.

Abstract: Provided is an additive for concrete in which viscosity of a cement composition is low and fluidity is high at an initial stage of casting even when the additive is added, and long-term strength of concrete or the like improves by the addition. A cement additive comprising a water-absorbent resin, wherein the water-absorbent resin is formed by polymerizing a monomer mixture containing no less than 50 mol % of a nonionic non-crosslinkable monomer and no less than 0.1 mol % of a nonionic crosslinkable monomer, and a content of an anionic monomer in the monomer mixture is no more than 20 mol %.

Abstract: Disclosed is a method for producing a non-aqueous electrolyte solution containing a sulfonylimide compound represented by the general formula (1) and an electrolyte solution solvent (B). The method includes preparing a sulfonylimide solution containing the sulfonylimide compound represented by the general formula (1) and an electrolyte solution solvent (A) different from the electrolyte solution solvent (B) and fractionally distilling off the electrolyte solution solvent (A) by adding the electrolyte solution solvent (B) to the sulfonylimide solution obtained in the preparing, LiN(RSO2)(FSO2) (1) (where R represents a fluorine atom, an alkyl group with 1 to 6 carbon atoms, or a fluoroalkyl group with 1 to 6 carbon atoms).

Abstract: Provided is a method for producing a particulate water-absorbing agent that can reduce a re-wet amount of an absorbent body when applied to the absorbent body. The method for producing the particulate water-absorbing agent according to an aspect of the present invention includes the step of surface-crosslinking a water-absorbing resin powder with use of a surface-crosslinking agent, wherein the water-absorbing resin powder has a specific surface area index, expressed by formula (1) below, of not less than 1.5, and the surface-crosslinking agent has an apparent Hansen solubility parameter of 22.5 MPa1/2 to 28.5 MPa1/2: (specific surface area index)=(specific surface area of water-absorbing resin powder)/(108×D502)??(1), where: in formula (1), the unit of the specific surface area index is [1/kg], the unit of the specific surface area is [m2/kg], D50 denotes a mass average particle diameter, and the unit of D50 is [m].

Abstract: The present invention addresses the problem of providing; a water absorbent resin powder having a reduced amount of fine powder generated and a reduced amount of fine powder recovered; and a production method for the water absorbent resin. The production method of the present invention includes a drying step and a fine powder granulation step. The drying step is for obtaining a dried polymer by drying a particulate water-containing gel crosslinked polymer which is obtained using an acid group-containing unsaturated monomer as a main component. The fine powder granulation step is for obtaining a fine powder granulated product by adding a binder and an adhesion control agent to a fine powder made of a water absorbent resin. In this production method, the obtained fine powder granulated product is recovered in the drying step or in any step before the drying step.

Abstract: A surfactant composition contains: a C12 compound of the following formula (1): where A is an alkylene group having 1 to 3 carbon atoms, x is 1 to 50, and m+n is 9; a C13 compound of the formula (1), where A is an alkylene group having 1 to 3 carbon atoms, x is 1 to 50, and m+n is 10; a C14 compound of the formula (1), where A is an alkylene group having 1 to 3 carbon atoms, x is 1 to 50, and m+n is 11; and a Y compound of the formula (1), where A is an alkylene group having 1 to 3 carbon atoms, x is 1 to 50, and m+n is at least one of 8 or less and 12 or more.

Abstract: A method of producing a carbon material-containing material having a precisely controlled structure under a mild condition, a carbon material-containing material covalently bonded to an inorganic matter, and an intermediate material which is useful for, for example, industrially producing carbon-coated inorganic particles, hollow carbon fine particles, and can be industrially produced under a mild condition, are provided. The method of producing a carbon material-containing material includes heating a composition containing a compound (A), which causes a condensation reaction between the same and/or different molecules, and an inorganic matter. When the compound (A) has a condensation reaction temperature of T° C., a heating temperature is (T-150)° C. or more. The carbon material-containing material includes a carbon material and an inorganic matter. At least part of the carbon material and inorganic matter are covalently bonded.

Abstract: The object of the present invention is to provide a (meth)acrylic polymer capable of modifying various thermoplastic resins while suppressing or preventing the degradation of various properties derived from the thermoplastic resins. A copolymer for modifying an acidic proton-containing thermoplastic resin, comprising an oxazoline group-containing monomer unit and a (meth)acrylate unit, wherein a content of the oxazoline group-containing monomer unit is 1 part by mass or more relative to 100 parts by mass of all monomer units.

Abstract: In the present invention, a photocurable support material composition for an inkjet 3D printer comprises a water-soluble ethylenically unsaturated monomer containing an ionic group and a counter ion, and comprises a photopolymerization initiator. The ionic group is preferably at least one selected from a group consisting of carboxylic acid group, phosphoric acid group, and sulfonic acid group. The counter ion is preferably at least one selected from a group consisting of sodium ion, potassium ion, and ammonium ion.

Abstract: The present invention provides a water-soluble film having high solubility in cold water and high extensibility. The present invention also provides a method for simply producing such a water-soluble film. One aspect of the present invention relates to a water-soluble film including a polyamine backbone-containing compound and a water-soluble resin. Another aspect of the present invention relates to a method for producing a water-soluble film containing a polyamine backbone-containing compound and a water-soluble resin including mixing the polyamine backbone-containing compound and the water-soluble resin.

Abstract: In a method for producing a composition containing an electrolyte, a non-aqueous solvent, and an anionic component, the electrolyte contains a sulfonylimide compound represented by the general formula (1), and the anionic component contains a conjugate acid with an acid dissociation constant pKa (a first-step acid dissociation constant pKa1 for acids that ionize multiple times) of 0 or more and 6.5 or less and is contained at a concentration of 10000 ppm by mass or less with respect to the electrolyte. The method includes dehydrating of adding the anionic component to a solution containing the electrolyte and the non-aqueous solvent to dehydrate the solution for solvent replacement. LiN (XSO2) (FSO2) (1) (where X represents a fluorine atom, an alkyl group with 1 to 6 carbon atoms, or a fluoroalkyl group with 1 to 6 carbon atoms).

Abstract: A nozzle includes: a flow path allowing gas to flow; tip opening portion(s) formed on a tip side of the flow path; a base end opening portion formed on a base end side of the flow path; and side hole(s) which is formed on the base end side from the tip opening portion and allows a part of the gas flowing through the flow path to be discharged toward the base end side. The tip opening portion(s) is formed in a direction of the flow path. The side hole(s) is formed along a circumferential direction of the flow path. When the gas is supplied from the base end opening portion, a ratio (Q1a/Q1b) of a flow rate (Q1a) of the gas discharged from the tip opening portion(s) and a flow rate (Q1b) of the gas discharged from the side hole(s) is 0.05 to 0.7.

Abstract: An object of the present invention is to provide a production method that can obtain a tungsten oxide composition having excellent dispersibility and excellent uniformity for shapes of particles. The present invention is a production method for a tungsten oxide composition, comprising: (1) a reaction step of bringing a tungsten halide and a monohydric alcohol into contact with each other and performing heating at 100° C. or higher and 250° C. or lower at a temperature-increasing rate of 3.0° C./min or lower to obtain a composition (I) comprising tungsten oxide and the monohydric alcohol; (2) a step of mixing the composition (I) and one type or two or more types of compounds (A) selected from amines, fatty acids, thiols, and phosphines to obtain a composition (II); and (3) a step of removing at least a part of the monohydric alcohol and a part of the compound (A) from the composition (II) to obtain a composition (III).

Abstract: The emulsion for water-based inks of the present invention comprises an emulsion particle containing a polymer component having a glass transition temperature of 55° C. or more and a polymer component having a glass transition temperature of less than 55° C., and the emulsion particle having an acid value derived from carboxyl groups of 0 to 6. Further, the ink composition for water based inks of the present invention comprises the above-mentioned emulsion for water-based inks.

Abstract: An ink for ink-jet textile printing, the ink including a pigment, resin emulsion particles, an oxazoline-group-containing compound, and an aqueous medium, in which the resin emulsion particles have an average particle diameter of 150 nm or larger, a content of the resin emulsion particles is 10 to 20 mass % with respect to 100 mass % of the ink for ink-jet textile printing, and a content of the oxazoline-group-containing compound is contained in an amount of 0.5 to 10 mass % with respect to 100 mass % of the resin emulsion particles.

Abstract: A method for storing a non-aqueous electrolyte solution containing a lithium salt in a sealed container, wherein at least one of carbon dioxide (CO2) or carbon monoxide (CO) occupying a gas phase part in the sealed container has a concentration of 10% or more.

Abstract: The present invention provides a water absorbent agent that achieves both improvement in the water absorption time thereof and reduction in the residual monomer variation rate thereof. A present inventive method for producing a water absorbent agent having a water-absorbent resin as a main component, the method including a surface-crosslinking step for a water-absorbent resin and a mixing step for a sulfur-containing reducing agent aqueous solution, the method satisfies (1) a specific surface area of the water-absorbent resin, (2) an average droplet diameter of the sulfur-containing reducing agent aqueous solution, and a temperature of the aqueous solution, (3) stirring-mixing conditions, and (4) a heating and drying step conditions.

Abstract: A method for producing a compound represented by the following Formula (II), the method comprising a step of subjecting a compound represented by the following Formula (I) to heat treatment in the presence of an organic sulfonic acid and an inorganic oxide solid to obtain the compound represented by the following Formula (II), wherein a Hammett acidity function of the inorganic oxide solid is more than ?12.0: wherein R each independently represents an alkyl group, an alkenyl group, or an aryl group, wherein R has the same meaning as R in Formula (I).