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.

An inkjet ink for an impermeable base material includes water, a resin-coated pigment in which at least a part of the pigment is coated with a crosslinked resin, a solvent A which is an alkanediol compound having a boiling point of 180° C. to 200° C., and a solvent B which is at least one of a monoalcohol compound having a boiling point of 70° C. to 160° C. or a glycol monoether compound having a boiling point of 70° C. to 160° C. An image recording method includes applying of the inkjet ink for an impermeable base material to record an image.

An ink set includes an inkjet ink and a recording head filling liquid. The inkjet ink contains a pigment, a pigment covering resin, and water. The recording head filling liquid contains polyethylene glycol, a nonionic surfactant, and water. The recording head filling liquid has a viscosity of at least 3 mPa.Math.s and no greater than 10 mPa.Math.s. The polyethylene glycol has a mass average molecular weight of at least 170 and no greater than 300. A percentage content of the polyethylene glycol in the recording head filling liquid is at least 7.0% by mass and no greater than 55.0% by mass. The pigment covering resin includes a styrene-acrylic resin.

An inkjet ink contains a pigment, a pigment dispersion resin, a water-soluble organic solvent, and a polymer nonionic surfactant. The pigment dispersion resin has an acid value of at least 55 mgKOH/g and no greater than 97 mgKOH/g. The polymer nonionic surfactant has a mass average molecular weight of at least 7,000 and no greater than 12,500. An inkjet recording apparatus includes a linehead and a conveyance section which conveys a recording medium. The linehead ejects the above inkjet ink onto the recording medium.

A white ink can include an aqueous ink vehicle, from 5 wt % to 25 wt % of white metal oxide pigment having an alumina coating, a dispersant associated with a surface of the white metal oxide pigment, and from 0.05 wt % to 0.5 wt % of amphoteric alumina particles having an average particles size from 2 nm to less than less than 100 nm. The white ink can further include from 0.3 wt % to 1.1 wt % monovalent metal salt, or from 0.005 wt % to 0.175 wt % divalent metal salt, or both.

A white ink can include an aqueous ink vehicle, from 5 wt % to 25 wt % of white metal oxide pigment having an alumina coating, a dispersant associated with a surface of the white metal oxide pigment, and from 0.05 wt % to 0.5 wt % of amphoteric alumina particles having an average particles size from 2 nm to less than less than 100 nm. The white ink can further include from 0.3 wt % to 1.1 wt % monovalent metal salt, or from 0.005 wt % to 0.175 wt % divalent metal salt, or both.

An aqueous dispersion of resin particles comprising a dispersing group covalently bonded to the resin and at least one repeating unit of formula I, II and/or III and which is obtainable by contacting a compound A comprising at least 2 functional groups selected from the group of functional groups —X—C(═O)—CHR1-C(═O)—R2, —X—C(═O)—C≡C—R2; or —X—C(═O)—CR1=CR2-NR11R12, with a compound B comprising at least two —NH.sub.2, —NH.sub.3.sup.+ or —N═C═O, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims and wherein compound A and/or B comprise a dispersing group. The invention also includes a method of producing the aqueous dispersion and further relates to an aqueous inkjet ink comprising the resin particles.

##STR00001##

An aqueous dispersion of resin particles comprising a dispersing group covalently bonded to the resin and at least one repeating unit of formula I, II and/or III and which is obtainable by contacting a compound A comprising at least 2 functional groups selected from the group of functional groups —X—C(═O)—CHR1-C(═O)—R2, —X—C(═O)—C≡C—R2; or —X—C(═O)—CR1=CR2-NR11R12, with a compound B comprising at least two —NH.sub.2, —NH.sub.3.sup.+ or —N═C═O, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims and wherein compound A and/or B comprise a dispersing group. The invention also includes a method of producing the aqueous dispersion and further relates to an aqueous inkjet ink comprising the resin particles.

##STR00001##

The invention relates to a light-emitting element dispersing agent; a light-emitting element ink comprising the same; and a method for producing a display device. This method for producing a display device may comprise spraying an ink including a solvent, light emitting elements, and a light emitting element dispersant onto a target substrate provided with a first electrode and a second electrode, applying a voltage to the first electrode and the second electrode to generate an electric field on the target substrate, irradiating the ink sprayed on the target substrate with light to form a dispersant fragment in which the light emitting element dispersant is decomposed, and removing the solvent and the dispersant fragment of the ink.

A curable composition containing a magenta pigment; a polymerizable compound; and a polymer including an amino group, where the polymer including the amino group has a weight average molecular weight of 1,000 or more, wherein the polymer including the amino group is at least one selected from the group consisting of hydroxyl group-including carboxylate ester, salts of a long-chain polyamino amide and acid ester having a high molecular weight, salts of polycarboxylic acid having a high molecular weight, salts of long-chain polyaminoamide and polar acid ester, unsaturated acid esters having a high molecular weight, modified polyurethanes, modified polyacrylates, polyether ester anionic surfactants, salts of naphthalenesulfonic acid formalin condensates, polyoxyethylene alkyl phosphoric acid ester, polyoxyethylene nonylphenylether, polyester polyamine, and stearylamine acetate.