Abstract: The present invention relates to a dispersant composition for carbon nanotubes, containing: a copolymer that includes a structural unit A represented by the following general formula (1) and a structural unit B represented by the following general formula (2); and a solvent, wherein the content of the structural unit B in all structural units of the copolymer is 20 mass % or more. In the following formulae, R1, R2, R3, R5, R6, and R7 are the same or different from each other and are each a hydrogen atom, a methyl group, or an ethyl group, R4 is a hydrocarbon group having 16 to 30 carbon atoms, R8 is a linear or branched alkylene group having 2 to 3 carbon atoms, X1 is on oxygen atom or NH, X2 is an oxygen atom, p is the number of 1 to 8, and R9 is a hydrogen atom, a methyl group, or an ethyl group.

Abstract: The present invention relates to a dispersant for a positive electrode of a power storage device. The dispersant is a copolymer that contains a constitutional unit A represented by the following general formula (1) and at least one constitutional unit B selected from the group consisting of a constitutional unit B1 represented by the following general formula (2) and a constitutional unit B2 represented by the following general formula (3). The total content of the constitutional unit A and the constitutional unit B in the copolymer is 80% by mass or more. The content of the constitutional unit A in all constitutional units of the copolymer is 35% by mass or more.

Abstract: An aspect of the present disclosure relates to a dispersant composition for an electrode of a power storage device. The dispersant composition contains an acrylic polymer (A), a compound (B) represented by the following formula (1), and an organic solvent (C). The acrylic polymer (A) contains a constitutional unit a represented by the following formula (3). In the formula (1), R1 represents a group represented by the following formula (2), and R2 represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or —CH2CH2—OH. In the formula (2), R3, R4, R5, and R6 are the same or different and represent a hydrogen atom, a methyl group, or —CH2OH.

Abstract: The present invention relates to a dispersant for a positive electrode of a power storage device. The dispersant is a copolymer that contains a constitutional unit A represented by the following general formula (1) and at least one constitutional unit B selected from the group consisting of a constitutional unit B1 represented by the following general formula (2) and a constitutional unit B2 represented by the following general formula (3). The total content of the constitutional unit A and the constitutional unit B in the copolymer is 80% by mass or more. The content of the constitutional unit A in all constitutional units of the copolymer is 35% by mass or more.

Abstract: The present invention relates to a dispersant composition for carbon nanotubes, containing: a copolymer that includes a structural unit A represented by the following general formula (1) and a structural unit B represented by the following general formula (2); and a solvent, wherein the content of the structural unit B in all structural units of the copolymer is 20 mass % or more. In the following formulae, R1, R2, R3, R5, R6, and R7 are the same or different from each other and are each a hydrogen atom, a methyl group, or an ethyl group, R4 is a hydrocarbon group having 16 to 30 carbon atoms, R8 is a linear or branched alkylene group having 2 to 3 carbon atoms, X1 is on oxygen atom or NH, X2 is an oxygen atom, p is the number of 1 to 8, and R9 is a hydrogen atom, a methyl group, or an ethyl group.

Abstract: A liquid developer containing a resin binder, a colorant, a dispersant, and an insulating liquid, wherein the resin binder contains a resin having an acidic group, and wherein the dispersant contains a dispersant X having at least one basic nitrogen-containing group selected from the group consisting of an amino group, an imino group, a cyano group, an azo group, a diazo group, and an azide group, and wherein a melting point of the dispersant X is 34° C. or higher; and a method for printing a fused image using the liquid developer. The liquid developer of the present invention is suitably used in development or the like of latent images formed in, for example, electrophotography, electrostatic recording method, electrostatic printing method or the like.

Abstract: A liquid developer containing a resin binder, a colorant, a dispersant, and an insulating liquid, wherein the resin binder contains a resin having an acidic group, and wherein the dispersant contains a dispersant X having at least one basic nitrogen-containing group selected from the group consisting of an amino group, an imino group, a cyano group, an azo group, a diazo group, and an azide group, and wherein a melting point of the dispersant X is 34° C. or higher; and a method for printing a fused image using the liquid developer. The liquid developer of the present invention is suitably used in development or the like of latent images formed in, for example, electrophotography, electrostatic recording method, electrostatic printing method or the like.

Abstract: The present invention provides a nonaqueous pigment dispersant containing a copolymer having: (a) a constituent unit derived from a nitrogen atom-containing polymerizable macromonomer having an ethylenic unsaturated double bond at one terminal, and (b) a constituent unit derived from a monomer unit having an ethylenic unsaturated double bond, being copolymerizable with the nitrogen atom-containing polymerizable macromonomer of constituent (a), and a pigment dispersion composition containing the dispersant, a pigment and a nonaqueous solvent.

Abstract: The present invention relates to [1] a non-aqueous pigment dispersion composition including (A) a pigment, (B) a non-aqueous solvent and (C) a polymer obtained by reacting a copolymer (component (c1)) containing a constitutional unit derived from (c1a) a vinyl monomer containing a reactive functional group and a constitutional unit derived from (c1b) a vinyl monomer containing a nitrogen atom with a poly(alkyl(meth)acrylate) and/or a polystyrene (component (c2)) containing a functional group capable of reacting with the reactive functional group in the component (c1) at one terminal end thereof; and [2] a process for producing a polymer for non-aqueous pigment dispersion, including the steps of (I) reacting the vinyl monomer (c1b) with the vinyl monomer (c1a) to produce a copolymer containing constitutional units derived from the respective vinyl monomers; and (II) reacting the resulting copolymer with the component (c2) to produce a graft copolymer formed by grafting the component (c2) to the copolymer.

Abstract: The present invention provides a nonaqueous pigment dispersant containing a copolymer having the following constituent units (a) and (b): (a) a constituent unit derived from a nitrogen atom-containing polymerizable macromonomer having an ethylenic unsaturated double bond at one terminal, and (b) a constituent unit derived from a monomer unit having an ethylenic unsaturated double bond, being copolymerizable with the nitrogen atom-containing polymerizable macromonomer of constituent (a), and a pigment dispersion composition containing the dispersant, a pigment and a nonaqueous solvent.

Abstract: A cleaning agent composition for a treated tool comprising an alkyl glycoside, a glyceryl ether, a hydrocarbon and water, and a cleaning process using the cleaning agent composition. The cleaning agent composition is used upon washing a surface of a silicone-treated tool, a liquid crystal-treated tool, a copper plate, or the like.

Abstract: A urethane foam for shoe soles prepared by reacting a compound having at least two isocyanate-reactive hydrogen atoms and a molecular weight of 400 to 10000 with a polyisocyanate in the presence of a foam stabilizer, water and a catalyst, characterized in that the ratio r.sub.1 /r.sub.2 of a mean skill cell diameter r.sub.1 to a mean core cell diameter r.sub.2 is 0.02 to 0.80, wherein the mean skin cell diameter r.sub.1 is defined as the mean diameter of the cells which form the skin portion of a urethane foam extending from the surface to a depth of 5% of the foam thickness and the mean core cell diameter r.sub.2 is defined as the mean diameter of the cells which form the core portion of a urethane foam extending from a depth of 40% to a depth of 60% of the foam thickness.

Abstract: A polyester-polyol prepared by polycondensation of an acid component comprising terephthalic acid and adipic acid, and a polyhydric alcohol component, wherein the molar ratio of the terephthalic acid/adipic acid is 0.05 to 0.3; a process for preparing a polyurethane foam comprising reacting a polyisocyanate component and a polyol component, wherein the polyol component contains the above polyester-polyol; and a process for preparing a polyurethane foam comprising reacting an isocyanate prepolymer made of a polyisocyanate component and a polyol component (I) with a polyol component (II), wherein the polyol component (I) comprises the above polyester-polyol.

Abstract: A developer additive selected from the group consisting of compounds represented by the general formulas (1) to (5): ##STR1## a toner composition having excellent fixing properties and improved pulverizability which comprises the developer additive, a binder resin and a colorant and a developer composition having excellent toner-fixing properties which comprises the developer additive, a binder resin and a colorant.

Abstract: A process for producing a polyester film having a high strength and a high modulus of elasticity, which includes preparing a polyester resin composition comprising, adding to a polyester resin, 0.1 to 10 parts by weight, based on 100 parts by weight of the polyester resin, of an additive compound selected from the group consisting of compounds represented by the general formula (I): ##STR1## and compounds represented by the following general formula (II): ##STR2## and subjecting the resin composition to monoaxial or biaxial stretching.

Abstract: A new melt viscosity depressant for a polyester resin having a structure of an aromatic carbonyl compound is disclosed.Addition of the melt viscosity depressant to a polyester resin reduces the melt viscosity of the resin remarkably, thereby facilitating mold processing and melt-spinning of the polyester resin composition, from which high strength polyester molding products and polyester fibers can be obtained.

Abstract: A cationic dye-dyeable polyester resin composition comprising a cationic dye-dyeable polyester resin and a melt viscosity depressant.Addition of the melt viscosity depressant to the cationic dye-dyeable polyester resin reduces the melt viscosity of the resin without decreasing the intrinsic viscosity thereby making the resin melt-spinnable. A cationic dye-dyeable polyester fiber with high strength can be obtained from the polyester resin composition.