Abstract: Provided is an ink-jet recording liquid set including a pretreatment liquid for ink-jet recording and an ink-jet ink, wherein the pretreatment liquid for ink-jet recording includes: composite resin particles in which a polyolefin resin is contained in a polyurethane resin; a coagulant; and water, and the ink-jet ink contains: a pigment; water; and 3-methoxy-1-butanol or 3-methoxy-3-methy-1-butanol.

Abstract: Provides is an inkjet recording liquid set including at least an inkjet ink and a pretreatment liquid, wherein the inkjet ink contains at least a pigment, an organic solvent, water and a silicone surfactant; the pretreatment liquid contains at least water-insoluble resin particles and a pigment coagulant; and the silicone surfactant has a structure represented by the following Formula (1), in Formula (1), R represents a hydrogen atom or a hydrocarbon group having 1 to 4 carbon atoms; X is an alkylene group having 2 to 6 carbon atoms and may have a branched structure; EO represents an ethylene oxide group, PO represents a propylene oxide group, and an order of EO and PO is random; m and n represent a number of repeating unit structures, m is an integer of 2 to 50, and n is an integer of 0 to 20.

Abstract: Provides is an inkjet recording liquid set including at least an inkjet ink and a pretreatment liquid, wherein the inkjet ink contains at least a pigment, an organic solvent, water and a silicone surfactant; the pretreatment liquid contains at least water-insoluble resin particles and a pigment coagulant; and the silicone surfactant has a structure represented by the following Formula (1), in Formula (1), R represents a hydrogen atom or a hydrocarbon group having 1 to 4 carbon atoms; X is an alkylene group having 2 to 6 carbon atoms and may have a branched structure; EO represents an ethylene oxide group, PO represents a propylene oxide group, and an order of EO and PO is random; m and n represent a number of repeating unit structures, m is an integer of 2 to 50, and n is an integer of 0 to 20.

Abstract: Provided is an aqueous inkjet ink containing water, a pigment, an organic solvent, a resin, and a surfactant, wherein an alcohol is contained as the organic solvent; the resin is a water-insoluble resin containing at least one of a polyester skeleton, a polyolefin skeleton, and a polyurethane skeleton; and a silicone surfactant having a structure represented by Formula (1) is contained as the surfactant, wherein, R represents a hydrogen atom or a hydrocarbon group having 1 to 4 carbon atoms; X is an alkylene group having 2 to 6 carbon atoms; EO represents an opened structure of an ethylene oxide group, PO represents an opened structure of a propylene oxide group, and an order of [EO]m and [PO]n is arbitrary; m and n represent a number of EO and PO, m is an integer of 2 to 50, and n is an integer of 0 to 20.

Abstract: An active ray-curable ink for ink jet, includes: a compound (A) represented by the structural formula (1): a compound (B) having a thioxanthone skeleton; a compound (C) having a triplet energy level (T3) between a triplet energy level (T1) of the compound (A) represented by the structural formula (1) and a triplet energy level (T2) of the compound (B) having a thioxanthone skeleton; a two or more functional radical polymerizable active ray-curable compound; and a coloring material, wherein a content of the two or more functional radical polymerizable active ray-curable compound is 50.0 mass % or more, a content of the coloring material is 0.1 mass % or more and 15.0 mass % or less, and the total content of the compound (A) represented by the structural formula (1) and the compound (B) having a thioxanthone skeleton is 0.1 mass % or more and less than 5.0 mass %.

Abstract: Provided is an ink-jet recording liquid set including a pretreatment liquid for ink-jet recording and an ink-jet ink, wherein the pretreatment liquid for ink-jet recording includes: composite resin particles in which a polyolefin resin is contained in a polyurethane resin; a coagulant; and water, and the ink-jet ink contains: a pigment; water; and 3-methoxy-1-butanol or 3-methoxy-3-methy-1-butanol.

Abstract: Provided is an ink-jet recording liquid set containing a pretreatment liquid and an ink, wherein the pretreatment liquid contains a coagulant, water, and water-insoluble resin particles containing at least one of a polyester skeleton, a polyolefin skeleton and polyurethane skeleton; and the ink contains at least a pigment, a compound having an oxazoline group, and water.

Abstract: The present invention relates to: an active ray-curable inkjet ink which has high gloss and is capable of forming an image that is suppressed in gloss difference between itself and a base; and an image forming method which uses this active ray-curable inkjet ink. An active ray-curable inkjet ink according to the present invention contains a photopolymerizable compound, a photoinitiator and a crystalline gelling agent, and is capable of undergoing a sol-gel phase transition. This active ray-curable inkjet ink is characterized by additionally containing a fluorescent bleaching agent.

Abstract: The purpose of the present invention is to provide: an inkjet ink composition having high dispersion stability of an organic pigment, and an image formation method using same. The present invention is an inkjet ink composition that contains: an organic pigment that includes C.I. Pigment Violet 23, C.I. Pigment Violet 32, C.I. Pigment Violet 37, C.I. Pigment Violet 39, C.I. Pigment Orange 36, C.I. Pigment Orange 38, C.I. Pigment Orange 43, C.I. Pigment Orange 64, C.I. Pigment Orange 71, C.I. Pigment Green 7, C.I. Pigment Green 36, C.I. Pigment Blue 15:6, C.I. Pigment Blue 25 or C.I. Pigment Blue 60; a benzoxazole derivative; a polymer dispersing agent; a photopolymerizable compound; and a photopolymerization initiator.

Abstract: The present invention relates to: an active ray-curable inkjet ink which has high gloss and is capable of forming an image that is suppressed in gloss difference between itself and a base; and an image forming method which uses this active ray-curable inkjet ink. An active ray-curable inkjet ink according to the present invention contains a photopolymerizable compound, a photoinitiator and a crystalline gelling agent, and is capable of undergoing a sol-gel phase transition. This active ray-curable inkjet ink is characterized by additionally containing a fluorescent bleaching agent.

Abstract: An actinic radiation-curable inkjet ink containing a photocurable compound, a photopolymerization initiator, a fluorescent brightener, and a phenol-based antioxidant, in which the fluorescent brightener is a compound represented by general formula (1), and the photocurable compound contains a (meth)acrylate having two or more (meth)acryloyl groups in an amount of 80 mass % or more with respect to a total mass of the photocurable compound.

Abstract: An actinic radiation-curable inkjet ink containing a photocurable compound, a photopolymerization initiator, a fluorescent brightener, and a phenol-based antioxidant, in which the fluorescent brightener is a compound represented by general formula (1), and the photocurable compound contains a (meth)acrylate having two or more (meth)acryloyl groups in an amount of 80 mass % or more with respect to a total mass of the photocurable compound.

Abstract: A photocurable composition containing a photopolymerizable compound and a photoinitiator, wherein the photopolymerizable compound is a radically polymerizable monomer and the photoinitiator is a photoradical initiator. The photocurable composition is characterized by additionally contains a metal chelate compound, wherein the center metal element in the metal chelate compound is selected from metal elements belonging to Group 2, Group 4, Group 8 and Group 13 and the metal chelate compound is contained in an amount of 0.1 to 5% by mass inclusive relative to the whole mass of the photocurable composition. Thus, it becomes possible to provide: a photocurable composition which has sustained adhesiveness and does not undergo shrinking upon curing; and a photocurable inkjet ink.

Abstract: A photocurable composition containing a photopolymerizable compound and a photoinitiator, wherein the photopolymerizable compound is a radically polymerizable monomer and the photoinitiator is a photoradical initiator. The photocurable composition is characterized by additionally contains a metal chelate compound, wherein the center metal element in the metal chelate compound is selected from metal elements belonging to Group 2, Group 4, Group 8 and Group 13 and the metal chelate compound is contained in an amount of 0.1 to 5% by mass inclusive relative to the whole mass of the photocurable composition. Thus, it becomes possible to provide: a photocurable composition which has sustained adhesiveness and does not undergo shrinking upon curing; and a photocurable inkjet ink.

Abstract: Provided is an ultraviolet curable inkjet ink and an inkjet image formation method that uses said inkjet ink. The inkjet ink can be ejected from an inkjet head without being diluted by a solvent, has high photo curing sensitivity and produces high quality images with excellent weather resistance (smear resistance). The inkjet ink is characterized by a polymerizable compound which contains a maleimide compound having a chiral group and a compound selected from a vinyl ether compound and a N-vinyl compound.

Abstract: Provided is a photocurable ink jet ink, which contains maleimide compounds and with which low-temperature precipitation is controlled. In concrete terms, provided is a photocurable ink jet ink containing a first maleimide compound represented by general formula (1), a second maleimide compound having a chemical structure different from the first maleimide compound, and at least one butene diacid derivative.

Abstract: Provided is an ultraviolet curable inkjet ink and an inkjet image formation method that uses said inkjet ink. The inkjet ink can be ejected from an inkjet head without being diluted by a solvent, has high photo curing sensitivity and produces high quality images with excellent weather resistance (smear resistance). The inkjet ink is characterized by a polymerizable compound which contains a maleimide compound having a chiral group and a compound selected from a vinyl ether compound and a N-vinyl compound.