Abstract: An ink jet ink composition includes a disperse dye, and a sodium naphthalene sulfonate formalin condensate, in which a ratio of a concentration of sodium ions with respect to a content of the sodium naphthalene sulfonate formalin condensate (Na(ppm)/NSF (% by mass)) is 75 to 550.

Abstract: An ink jet ink composition includes a disperse dye, and a sodium naphthalene sulfonate formalin condensate, in which a ratio of a concentration of sodium ions with respect to a content of the sodium naphthalene sulfonate formalin condensate (Na (ppm)/NSF (% by mass)) is 75 to 550.

Abstract: An ink jet recording method according to the invention includes: ejecting droplets of non-water-based ink, which contains an organic solvent, a color material, and resin, from nozzles of a recording head and causing the droplets to adhere to a recording medium to form an image; and preliminarily ejecting the droplets of the non-water-based-ink from the nozzles of the recording head not for forming the image. In the preliminary ejecting of the droplets, a time interval at which the preliminary ejecting is performed by a predetermined nozzle is equal to or greater than two seconds and equal to or less than twenty five seconds. The organic solvent contains a first solvent which is at least one kind selected from a hydrocarbon-based solvent, an alcohol-based solvent, and an ester-based solvent. Content of the first solvent is equal to or greater than 40% by mass with respect to entire content of the non-water-based ink.

Abstract: An ink jet ink composition includes a disperse dye, and a sodium naphthalene sulfonate formalin condensate, in which a ratio of a concentration of sodium ions with respect to a content of the sodium naphthalene sulfonate formalin condensate (Na (ppm)/NSF (% by mass)) is 75 to 550.

Abstract: There is provided an ink jet ink set for sublimation transfer, including: a first ink composition containing a first disperse dye and a first dispersant; and a second ink composition containing a second disperse dye and a second dispersant, in which the first disperse dye is the same as the second disperse dye, the content of the first disperse dye in the first ink composition is equal to or greater than the content of the second disperse dye in the second ink composition, the ratio A of the content of the first disperse dye in the first ink composition to the content of the first dispersant in the first ink composition is equal to or greater than the ratio B of the content of the second disperse dye in the second ink composition to the content of the second dispersant in the second ink composition.

Abstract: A non-aqueous ink composition for ink jet recording includes a pigment, a compound represented by General formula 1 below, and a phthalocyanine derivative provided with a polar group not having an amine structure, as a pigment dispersant for dispersing the pigment. The pigment is carbon black. The composition further includes an alkylene glycol monoalkyl ether: (wherein R1 indicates an alkyl group of 1 to 4 carbon atoms, and R2 and R3 each independently indicate a methyl group or an ethyl group).

Abstract: An ink composition is held in an ink container that is provided with an ink inlet through which the ink container can be refilled with the ink composition, and is used in a state in which the ink container is fitted into an inkjet recording device that includes a recording head having a nozzle hole that ejects the ink composition, the ink composition including a disperse dye, and at least one of a silicon-based surfactant and a fluorine-based surfactant, the ink composition having a surface tension of 22 to 30 mN/m.

Abstract: An ink jet ink composition for sublimation transfer includes dye A and a dye B, in which the dye A is a disperse dye which has a molecular weight of 380 or less and an anthraquinone skeleton having a water-soluble group in a molecule, the dye B is a disperse dye which has a molecular weight of 400 or greater, and in the ink jet ink composition for sublimation transfer, dye solubility of the dye A is greater than dye solubility of the dye B.

Abstract: An ink composition is held in an ink container that is provided with an ink inlet through which the ink container can be refilled with the ink composition, and is used in a state in which the ink container is fitted into an inkjet recording device that includes a recording head having a nozzle hole that ejects the ink composition, the ink composition including a disperse dye, and at least one of a silicon-based surfactant and a fluorine-based surfactant, the ink composition having a surface tension of 22 to 30 mN/m.

Abstract: An ink composition is held in an ink container that is provided with an ink inlet through which the ink container can be refilled with the ink composition, and is used in a state in which the ink container is fitted into an inkjet recording device that includes a recording head having a nozzle hole that ejects the ink composition, the ink composition including a disperse dye, and at least one of a silicon-based surfactant and a fluorine-based surfactant, the ink composition having a surface tension of 22 to 30 mN/m.

Abstract: An ink composition is held in an ink container that is provided with an ink inlet through which the ink container can be refilled with the ink composition, and is used in a state in which the ink container is fitted into an inkjet recording device that includes a recording head having a nozzle hole that ejects the ink composition, the ink composition including a disperse dye, and at least one of a silicon-based surfactant and a fluorine-based surfactant, the ink composition having a surface tension of 22 to 30 mN/m.

Abstract: An ink composition for ink jet recording, containing: a dye; organic solvents; and water, wherein a ratio (S1/S2) of a content (S1) of the first organic solvent and a content (S2) of the second organic solvent being 15.3 or more and 205 or less: and wherein the organic solvents including a first organic solvent satisfying a following property (A) and a second organic solvent not satisfying the property (A), and property (A): when a mixture with polyvinyl alcohol is produced, a cluster having a mass of 70% or more based on a total mass of the mixture is formed and when a load of 5.3 g/mm2 or more and 7.1 g/mm2 or less is applied to the cluster, a cluster having a mass of 90% or more based on a total mass of the cluster is formed.

Abstract: A colorant, lactone having a content in a range of 5% by mass to 40% by mass, a first solvent having a water vapor pressure of 2 hPa or more and a content in a range of 5% by mass to 18% by mass at 20° C., and a second solvent having a water vapor pressure of 0.9 hPa or more and a content in a range of 2% by mass to 80% by mass at 20° C. are contained, a sum of the content of the first solvent and the content of the second solvent is 20% by mass or more, and the second solvent is at least one solvent selected from a group consisting of (poly)alkylene glycol monoalkyl ether and (poly)alkylene glycol dialkyl ether.

Abstract: An ink contains (A) water, (B) a disperse dye, (C) a resin dispersant, and (D) at least one selected from the group consisting of a compound represented by formula (1) and a compound represented by formula (2) and having an HLB of 15 or more: RO(CH2CH2O)mSO3?M+??(1) RO(CH2CH2O)mH??(2) where R is an alkyl or alkenyl group containing 8 to 20 carbon atoms, m is an integer of 2 to 50, and M+ is an alkali metal or ammonium ion. The ratio of the mass of the ingredient (D) to that of the ingredient (C) is in the range of 4% to 50%, both inclusive.

Abstract: A nonaqueous ink composition for ink jet recording contains a glitter pigment and a solvent represented by the following formula: wherein R1 represents an alkyl group containing one to eight carbon atoms and R2 and R3 represent a methyl group or an ethyl group.

Abstract: There is provided an ink jet ink set for sublimation transfer, including: a first ink composition containing a first disperse dye and a first dispersant; and a second ink composition containing a second disperse dye and a second dispersant, in which the first disperse dye is the same as the second disperse dye, the content of the first disperse dye in the first ink composition is equal to or greater than the content of the second disperse dye in the second ink composition, the ratio A of the content of the first disperse dye in the first ink composition to the content of the first dispersant in the first ink composition is equal to or greater than the ratio B of the content of the second disperse dye in the second ink composition to the content of the second dispersant in the second ink composition.

Abstract: An ink composition is held in an ink container that is provided with an ink inlet through which the ink container can be refilled with the ink composition, and is used in a state in which the ink container is fitted into an inkjet recording device that includes a recording head having a nozzle hole that ejects the ink composition, the ink composition including a disperse dye, and at least one of a silicon-based surfactant and a fluorine-based surfactant, the ink composition having a surface tension of 22 to 30 mN/m.

Abstract: An ink jet ink composition includes a disperse dye, and a sodium naphthalene sulfonate formalin condensate, in which a ratio of a concentration of sodium ions with respect to a content of the sodium naphthalene sulfonate formalin condensate (Na (ppm)/NSF (% by mass)) is 75 to 550.

Abstract: A non-aqueous ink jet ink composition according to the invention contains a coloring material; a glycol ether-based solvent; and 10% by mass to 40% by mass of a carbonate-based solvent. It is preferable that the carbonate-based solvent is a compound represented by the general formula (2). (In the general formula (2), R3 and R4 each independently represent a hydrocarbon group which may be substituted and has 1 to 4 carbon atoms.

Abstract: An ink jet recording method according to the invention includes: ejecting droplets of non-water-based ink, which contains an organic solvent, a color material, and resin, from nozzles of a recording head and causing the droplets to adhere to a recording medium to form an image; and preliminarily ejecting the droplets of the non-water-based-ink from the nozzles of the recording head not for forming the image. In the preliminary ejecting of the droplets, a time interval at which the preliminary ejecting is performed by a predetermined nozzle is equal to or greater than two seconds and equal to or less than twenty five seconds. The organic solvent contains a first solvent which is at least one kind selected from a hydrocarbon-based solvent, an alcohol-based solvent, and an ester-based solvent. Content of the first solvent is equal to or greater than 40% by mass with respect to entire content of the non-water-based ink.