Abstract: An ink-jet ink composition that has excellent discharge stability even after long-term storage, and that has excellent member suitability. This ink composition contains a resin and an organic solvent and is discharged by an ink jet method. The content of a resin-derived residual monomer is no greater than 2,000 ppm in the total amount of the ink composition.

Abstract: A pretreatment ink that suppresses white spots, suppresses the occurrence of overflow defects from water-based ink, and can produce recorded matter having high image reproducibility. This pretreatment ink, which is coated in advance onto a base material before a water-based ink is coated onto the base material, contains at least a reaction agent, water, and an organic solvent. The organic solvent includes a water-soluble solvent A selected from the group consisting of alkanediols and monools.

Abstract: A non-aqueous ink composition which has superior printing performance, such as continuous discharge stability, and also has excellent storage stability and excellent coloring properties, and with which printed matter having superior durability can be obtained. A non-aqueous ink composition discharged using an inkjet method, the composition containing an organic solvent, a colorant, and a resin, where the resin contains at least one resin selected from the group consisting of acrylic resins, vinyl chloride-vinyl acetate copolymer resins, and cellulose resins, and a resin having intrinsic viscosity at 25° C. of 90 mL/g or more accounts for up to 5 mass % of the entire resin.

Abstract: A water-based ink contains at least a coloring material, water, and an organic solvent, the coloring material containing a pigment, and the organic solvent having a water-octanol partition coefficient of ?0.3 or less. The water-based ink makes it possible to suppress white spots, suppress the occurrence of water-based ink filling defects, and produce recorded matter having high image reproducibility.

Abstract: A nonaqueous ink composition with which high recovery from cleaning and surface drying on a substrate can both be achieved even if the nonaqueous ink composition contains a white pigment or a bright pigment. This nonaqueous ink composition contains a coloring material and an organic solvent and is to be ejected by an inkjet method, wherein the coloring material contains a white pigment or a bright pigment, and the organic solvent contains the organic solvent A below. Organic solvent A: at least one substance selected from the group consisting of alkylamide-based solvents (a1) and cyclic amide-based solvents (a2).

Abstract: A nonaqueous ink composition which contains an organic solvent and is to be ejected by means of an inkjet method, wherein the organic solvent contains an amide solvent and an organic solvent that is represented by the formula below. [Chem. 1] R1—(—O—R2—)n-OH??(1): (In formula (1), R1 represents an alkyl group having 6 or less carbon atoms; R2 represents an ethylene group or a propylene group; and n represents an integer of 2 to 6.

Abstract: A nonaqueous ink composition to be ejected by means of an inkjet method, the nonaqueous ink composition containing a pigment, a pigment dispersant and an organic solvent, wherein: the pigment contains at least one of a pigment A1 represented by formula (1-1), a pigment A2 represented by formula (1-2) and a halogenated phthalocyanine pigment A3; and the pH values of the pigment A1 and the pigment A2 are within the range of 3 to 9.

Abstract: An ink set with which it is possible to effectively prevent bleeding of aqueous ink even in the case when printing takes place at high speed by means of an inkjet discharge recording method. This ink set includes a pretreatment ink and an aqueous ink and is used for a recording method in which the respective inks are discharged on a base material as an inkjet. The respective inks included in said ink set have static surface tensions that satisfy the following relation: static surface tension SP of the pretreatment ink<static surface tension SC of the aqueous ink.

Abstract: An active energy ray curable ink composition capable of improving curability while maintaining excellent metal-tone glossiness and a printed matter having high design properties and excellent metal-tone glossiness. The ink composition is discharged using an inkjet method, and contains a polymerization initiator, a polymerizable compound, and a brilliant pigment. The polymerization initiator contains an acylphosphine oxide-based polymerization initiator, aminoacetophenone-based polymerization initiator, and thioxanthone-based polymerization initiator. The printed matter includes a brilliant layer containing the brilliant pigment.

Abstract: An ink composition able to yield a printed adherend having high weathering resistance; wherein, this ink composition is an active energy ray curing type ink composition that is discharged using an inkjet method. The ink composition contains a polymerizable compound, an ultraviolet radiation absorber and an antioxidant. The ultraviolet radiation absorber has a maximum absorption wavelength within the range 315-400 nm. A medium containing the ultraviolet radiation absorber at a concentration of 20 ppm has an absorbance area Ab of 25.0 or more at wavelengths within the range of 315-400 nm.

Abstract: An ink composition has a high storage stability such that decomposition of the components contained in the ink composition can be minimized. This ink composition, which is discharged by using the inkjet method, contains a luminescent pigment, and the amount of hydrogen generated per 100 g of the ink composition measured in a room temperature and normal pressure environment is 1 mL or less. The ink composition may be an active energy ray-curable ink composition or a non-aqueous ink composition containing an organic solvent.

Abstract: An active energy ray curable ink composition capable of improving curability while maintaining excellent metal-tone glossiness and a printed matter having high design properties and excellent metal-tone glossiness. The ink composition is discharged using an inkjet method, and contains a polymerization initiator, a polymerizable compound, and a brilliant pigment. The polymerization initiator contains an acylphosphine oxide-based polymerization initiator, aminoacetophenone-based polymerization initiator, and thioxanthone-based polymerization initiator. The printed matter includes a brilliant layer containing the brilliant pigment.

Abstract: A nonaqueous ink composition contains organic solvents. The organic solvents include an organic solvent (a) and an organic solvent (b). Organic solvent (a): Glycol ether dialkyl. Organic solvent (b): At least one selected from the group consisting of alkylamide-based solvents (b1), cyclic amide-based solvents (b2), and lactone-based solvents (b3) each having a ring including six or more members.

Abstract: A recording method for discharging, onto the surface of a substrate, an inkjet ink composition containing an organic solvent by using an inkjet head provided with constituent members bonded by a cured product of an adhesive, the organic solvent containing the following organic solvent (a). Organic solvent (a): at least one substance selected from the group consisting of alkylamide-based solvents (a1), cyclic amide-based solvents (a2), and lactone-based solvents (a3).

Abstract: A non-aqueous ink composition which has superior printing performance, such as continuous discharge stability, and also has excellent storage stability and excellent coloring properties, and with which printed matter having superior durability can be obtained. A non-aqueous ink composition discharged using an inkjet method, the composition containing an organic solvent, a colorant, and a resin, where the resin contains at least one resin selected from the group consisting of acrylic resins, vinyl chloride-vinyl acetate copolymer resins, and cellulose resins, and a resin having intrinsic viscosity at 25° C. of 90 mL/g or more accounts for up to 5 mass% of the entire resin.

Abstract: A water-based temporary fixing adhesive having excellent temporary fixing performance, coating performance and adhesion-stain prevention performance and containing (A) a hydroxy group-having thermoplastic resin and (B) a glucide, wherein the glucide (B) is at least one selected from sugars and sugar alcohols; and a method for producing a member or a part including a temporary fixing step of temporarily fixing a precursor of a member or a part and a processing substrate using the adhesive, and a processing step of mechanically processing the precursor to form a member or a part.

Abstract: Provided is an ink composition to be used on a leather substrate, wherein the ink composition is capable of forming an ink film having more abrasion resistance and flexibility and forming a clearer image. An ink composition to be used on a leather substrate that contains at least a coloring material, a resin, and an organic solvent, does not contain water, and the organic solvent contains a solvent represented by general formula (1). R1—(OR2)n—O—R3??(1) n: integer of from 1 to 4, R1: C1-8 optionally branched alkyl group, R2: C1-4 optionally branched alkylene group, R3: hydrogen or C1-4 optionally branched alkyl group.

Abstract: The purpose of the present invention is to provide a receptive solution which can suppress the occurrence of odor from the receptive solution itself when the receptive solution is applied on a recording medium, and can also prevent the appearance of a printed surface from being deteriorated. The receptive solution for ink-jet recording ink contains polyvalent metal cations, an aqueous solvent, a resin, and anions, wherein the resin is contained as a resin emulsion, and the anions contained in the receptive solution contain anions of an organic substance which has an OV/IV value of 0.3-1.0, the OV/IV value being a ratio of an organic value to an inorganic value.

Abstract: This receiving solution for inkjet recording inks contains a resin emulsion as the resin; the polyvalent metal salt contains ions of a polyvalent metal and anions of an organic material; the (organic value)/(inorganic value) ratio, namely the OV/IV value of the anions of the organic material is 0.25 or more but less than 1.30; the HLB value of the surfactant is from 9 to 19 (inclusive); and the surfactant is represented by general formula (1). (In the formula, R1 represents an optionally branched alkylene group having 1 to 5 carbon atoms (inclusive); R2 represents a hydrogen atom or an optionally branched alkyl group having 1 to 3 carbon atoms (inclusive); R3 represents a hydrogen atom or an optionally branched alkyl group having 1 to 3 carbon atoms (inclusive); A represents 2 or 3; X represents ethylene oxide and/or propylene oxide; and n represents an integer).

Abstract: A main object of the present invention is to provide an ink composition for ink-jet recording capable of forming an ink film excellent in both film strength and scratch resistance. The present invention achieves the object by providing an ink composition for ink-jet recording comprising: an aqueous solvent including water and water-soluble organic solvent; a coloring agent; a resin emulsion; and a surfactant; wherein the resin emulsion includes a silicon-acrylic resin emulsion and a resin emulsion other than the silicon-acrylic resin emulsion; a content ratio of the resin emulsion to the coloring agent (content of the resin emulsion/content of the coloring agent) is 1/5 or more and 15/1 or less; and a content ratio of the silicon-acrylic resin emulsion to the coloring agent (content of the silicon-acrylic resin emulsion/content of the coloring agent) is 1/20 or more and 5/1 or less.