Abstract: A yellow ink for ink jet and an image recording method, which enable recording of a yellow image having excellent weather fastness, and an image recorded article provided with a yellow image having excellent weather fastness are provided. A yellow ink for ink jet contains a lake yellow pigment and a yellow pigment other than the lake yellow pigment, a resin, a water-soluble organic solvent, and water.

Abstract: An ink composition including water, a pigment, a pigment dispersion polymer A, and a water-soluble polymer B different from the pigment dispersion polymer A, in which the water-soluble polymer B contains a specific acid group and a constitutional unit represented by Formula (1), an ink set, and an image recording method. R1, R11, Y1, and Y2 each independently represent a hydrogen atom or a monovalent substituent, and L1 and L2 each independently represent a divalent linking group or a single bond. Y1 and Y2 may be bonded to each other to form a nitrogen-containing heterocycle with L1, L2, and N.

Abstract: An ink set including an ink containing water, a pigment, a pigment dispersion polymer A, and a water-soluble polymer B, and a treatment liquid containing water and at least one selected from the group consisting of a polyvalent metal salt, an acidic compound, and a cationic polymer, in which the pigment dispersion polymer A contains a specific acid group and an aromatic ring, and the water-soluble polymer B contains a specific acid group and a constitutional unit represented by General Formula (1), and in the ink, a mass ratio of a content concentration of the water-soluble polymer B to a content concentration of the pigment dispersion polymer A in a liberated polymer is 1.6 or more, and an image recording method. R1 represents a hydrogen atom or a monovalent substituent, Y1 represents a monovalent substituent, A1 represents —O—, and L1 is a divalent linking group.

Abstract: Provided are an ink for ink jet recording, including a pigment, a water-soluble polymer for dispersing the pigment, an alkali metal salt, and a water-soluble organic solvent, in which a ratio of a content of the water-soluble polymer to a total mass of the alkali metal salt is 15 or less, and a content of the water-soluble organic solvent with respect to a total mass of the ink for ink jet recording is 18% by mass or less; a method for producing an ink for ink jet recording; and an image recording method.

Abstract: Provided is an ink composition for inkjet recording containing water, a pigment, and a water-soluble polymer having a carboxy group, in which the water-soluble polymer satisfies the following expression (1), and the ink composition for inkjet recording is used for recording an ink image on a recording medium to which a pretreatment liquid including at least one aggregating agent selected from the group consisting of acids, cationic polymers, and polyvalent metal salts is applied: 230 mgKOH/g??(a×b)?750 mgKOH/g ??(1) a means an acid value of the water-soluble polymer, in terms of mgKOH/g, and b means a content of the water-soluble polymer with respect to a total amount of the ink composition, in terms of % by mass.

Abstract: Provided are an ink for ink jet recording, including a pigment, a water-soluble polymer for dispersing the pigment, an alkali metal salt, and a water-soluble organic solvent, in which a ratio of a content of the water-soluble polymer to a total mass of the alkali metal salt is 15 or less, and a content of the water-soluble organic solvent with respect to a total mass of the ink for ink jet recording is 18% by mass or less; a method for producing an ink for ink jet recording; and an image recording method.

Abstract: An aqueous ink composition includes an aqueous medium and resin microparticles formed from a resin, in which the resin has a structural unit represented by General Formula (1) or (2), and the content of the resin microparticles is 1% to 15% by mass, R1, R2, and R3 each represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; A1 represents —O— or —NR3—; L1 represents an alkylene group having 6 to 22 carbon atoms; M1 and M2 each represent a hydrogen atom, an alkali metal ion, or an ammonium ion; A2 represents a single bond, —COO—, or —CONH—; and L2 represents a divalent linking group having 6 to 23 carbon atoms.

Abstract: An aqueous ink composition includes an aqueous medium and resin microparticles formed from a resin, in which the resin has a structural unit represented by General Formula (1) or (2), and the content of the resin microparticles is 1% to 15% by mass, R1, R2, and R3 each represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; A1 represents —O— or —NR3—; L1 represents an alkylene group having 6 to 22 carbon atoms; M1 and M2 each represent a hydrogen atom, an alkali metal ion, or an ammonium ion; A2 represents a single bond, —COO—, or —CONH—; and L2 represents a divalent linking group having 6 to 23 carbon atoms.

Abstract: The present invention provides a ceramic material allowing a pellet having higher density and satisfactory Li ion conduction to be obtained. The ceramic material contains Li, La, Zr, Al and O and has a garnet-type or garnet-like crystal structure, the ratio of the number of moles of Li with respect to La being 2.0 or greater to 2.5 or lower.

Abstract: Disclosed is an ink composition including: (1) a pigment; (2) a polymerization initiator having a content of 2% by mass or more with respect to a total amount of the composition and having a solubility with respect to pure water at 25° C. of 5 to 8 g/l; (3) a compound A that is at least one selected from the group consisting of dimethylacrylamide, diethylacrylamide, N-isopropylacrylamide, dimethylacetamide, N-ethylpyrrolidone, 1-cyclohexyl-2-pyrrolidone, 1-(2-hydroxyethyl)-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone, tetramethylurea and gamma-valerolactone; (4) a polymerizable compound having two or more ethylenically unsaturated double bonds; and (5) water having a content of 50% by mass or more with respect to the total amount of the composition.

Abstract: The image forming method includes: applying two or more kinds of ink compositions having different hues onto a recording medium to form a multi-color image, each ink composition containing a pigment, water, and 5% by mass to 15% by mass of polyvalent (meth)acrylamide represented by the following formula (1) with respect to the total amount of the ink composition; and applying a treatment solution, containing an aggregation component onto the recording medium. In the image forming method, an average diameter ?1 (?m) of droplets of the ink compositions on the recording medium satisfies the following relational expression (1), and an application density of droplets having a minimum volume of ink composition on the recording medium is 80% or more (Q: n-valent linking group, R1: H, methyl group, n?2). (2.54×10000/R)×1.5??1?(2.54×10000/R)×1.7??Relational Expression (1) wherein, R represents a resolution (dot per inch) of an image.

Abstract: Disclosed is an ink composition including: (1) a pigment; (2) a polymerization initiator having a content of 2% by mass or more with respect to a total amount of the composition and having a solubility with respect to pure water at 25° C. of 5 to 8 g/l; (3) a compound A that is at least one selected from the group consisting of dimethylacrylamide, diethylacrylamide, N-isopropylacrylamide, dimethylacetamide, N-ethylpyrrolidone, 1-cyclohexyl-2-pyrrolidone, 1-(2-hydroxyethyl)-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone, tetramethylurea and gamma-valerolactone; (4) a polymerizable compound having two or more ethylenically unsaturated double bonds; and (5) water having a content of 50% by mass or more with respect to the total amount of the composition.

Abstract: A solid electrolyte structure containing a porous solid electrolyte is prepared. At least the porous solid electrolyte of the solid electrolyte structure is immersed in a first sol solution containing at least a precursor of an electrode active material as a solute. Then, the first sol solution, in which the porous solid electrolyte is immersed, is heated. A solvent of the first sol solution is evaporated by the heating, whereby a pore of the porous solid electrolyte is filled with a high concentration (a large amount) of the electrode active material precursor.

Abstract: The present invention provides a ceramic material allowing a pellet having higher density and satisfactory Li ion conduction to be obtained. The ceramic material contains Li, La, Zr, Al and O and has a garnet-type or garnet-like crystal structure, the ratio of the number of moles of Li with respect to La being 2.0 or greater to 2.5 or lower.

Abstract: A solid electrolyte structure containing a porous solid electrolyte is prepared. At least the porous solid electrolyte of the solid electrolyte structure is immersed in a first sol solution containing at least a precursor of an electrode active material as a solute. Then, the first sol solution, in which the porous solid electrolyte is immersed, is heated. A solvent of the first sol solution is evaporated by the heating, whereby a pore of the porous solid electrolyte is filled with a high concentration (a large amount) of the electrode active material precursor.