Abstract: An ink jet printing method includes attaching an ink composition to a cloth by using a printer head which has a nozzle discharging the ink composition, a pressure chamber for imparting pressure to the ink composition to cause the nozzle to discharge the ink composition, and a connection portion connecting the pressure chamber and the nozzle, and in which a distance of the connection portion is 500 ?m or more, the distance of the connection portion being from a portion of the pressure chamber where the ink flows out from a pressure chamber to the nozzle side to the nozzle, in which the ink composition includes the resin as a solid content in the amount of 10% by mass to 26% by mass with respect to the ink composition, the ratio of the total content of the organic solvent to the total content of the solid content of the resin is 0.3 or more, and a sum of the total content of the solid content of the resin and the total content of the organic solvent is 37% by mass or less with respect to the ink composition.

Abstract: An ink jet recording method includes first attaching an ink composition to fabric so as to have an attached amount of 10 mg/inch2 to 30 mg/inch2, and second attaching the ink composition to the fabric so as to have an attached amount of 90 mg/inch2 to 250 mg/inch2, in which the ink composition includes a pigment and a resin dispersion, and a content of a resin included in the resin dispersion is 0.5 parts by mass to 2.5 parts by mass with respect to 1 part by mass of the pigment.

Abstract: An ink jet printing method includes attaching an ink composition to a cloth by using a printer head which has a nozzle discharging the ink composition, a pressure chamber for imparting pressure to the ink composition to cause the nozzle to discharge the ink composition, and a connection portion connecting the pressure chamber and the nozzle, and in which a distance of the connection portion is 500 ?m or more, the distance of the connection portion being from a portion of the pressure chamber where the ink flows out from a pressure chamber to the nozzle side to the nozzle, in which the ink composition includes the resin as a solid content in the amount of 10% by mass to 26% by mass with respect to the ink composition, the ratio of the total content of the organic solvent to the total content of the solid content of the resin is 0.3 or more, and a sum of the total content of the solid content of the resin and the total content of the organic solvent is 37% by mass or less with respect to the ink composition.

Abstract: Provided is a radiation curing type ink jet ink composition simultaneously satisfying excellent adhesiveness of a cured film to a recording medium, excellent hardenability, and excellent flexibility of the cured film in a well-balanced state. The composition includes a (meth)acrylate monomer A including a vinyl ether group, a monofunctional (meth)acrylate monomer B including a cyclic ether skeleton having two or more ether groups, a monofunctional (meth)acrylate monomer C including an aromatic ring skeleton, and a photopolymerization initiator. The contents of the monomer A, the monomer B, and the monomer C are 5 to 35 mass %, 23 to 55 mass %, and 13 to 46 mass %, respectively, based on the total mass of the composition.

Abstract: A liquid ejecting apparatus includes a liquid ejector that ejects a liquid, a liquid supply flow path that connects a liquid supply source and the liquid ejector, a plurality of branch flow paths provided in the liquid supply flow path, filters that are disposed separately in each of the branch flow paths, and a flow path opening/closing mechanism that opens and closes the branch flow paths.

Abstract: An ink jet method includes a dissolved gas amount control step of controlling a dissolved gas amount of a radiation curable ink jet composition by a dissolved gas amount control unit at least a part of a flow path connecting a container receiving the ink jet composition and an outlet of an ink jet head to which the ink jet composition is supplied from the container; and an ejection step of ejecting the ink jet composition from the outlet of the ink jet head. The ink jet composition contains a polymerizable compound and a polymerization initiator, the dissolved gas amount control unit includes a member formed from an adhesive, and an absolute value (|(?1)?(?2)|) of the difference between a mass average SP value (?1) of the polymerizable compound and a SP value (?2) of the adhesive, each of which is calculated by Small's formula, is 1.0 or more.

Abstract: An optimizing device is provided with a target value calculating portion 105 that includes a variable constraint setting portion, a slope constraint setting portion, and a solution calculating portion. The variable constraint setting portion sets constraints for the manipulated variables and control variables. The slope constraint setting portion sets constraints for the slopes for the control variables that include integrating systems. The constraint settings are changed in accordance with the possibility of control variables that include integrating systems going outside of upper and lower limits. The various types of constraints, models for control, and applied optimization evaluating functions that are set/calculated are passed to the solution calculating portion, and optimal target values for minimizing the evaluating function wherein all of the variables are within the constraints are calculated.

Abstract: There is provided an ink jet recording method for printing a pigment in which a pigment printing ink composition including at least pigment as a colorant is discharged from a nozzle opening as an ink droplet having an amount of the ink of the ink droplet of 9 ng or less with an average discharging speed V of 5 m/s or greater at a distance in the range of 0.5 mm to 1.0 mm in the direction from the nozzle opening to cloth, and whereby the pigment printing ink composition is adhered to the cloth.

Abstract: A textile printing method includes heating a cloth, and applying an ink composition onto the heated cloth by ejecting the ink composition from an ink jet head. The ink composition contains resin fine particles and has a viscosity of 4.5 mPa·s or less at 40° C. and a surface tension of 28 mN/m or less at 40° C.

Abstract: A liquid ejecting apparatus includes a liquid ejector that ejects a liquid, a liquid supply flow path that connects a liquid supply source and the liquid ejector, a plurality of branch flow paths provided in the liquid supply flow path, filters that are disposed separately in each of the branch flow paths, and a flow path opening/closing mechanism that opens and closes the branch flow paths.

Abstract: A pretreatment liquid for ink jet textile printing according to an aspect of the invention used by being applied to a fabric before applying an ink composition for ink jet textile printing to the fabric includes a multivalent metal salt; and an aqueous medium, in which the concentration of the multivalent metal salt is within in a range of 0.025 mol/kg or more and 0.08 mol/kg or less. A textile printing method according to another aspect the invention includes applying a pretreatment liquid to at least a partial region of a fabric; and applying an ink composition for ink jet textile printing to at least a portion of the region to which the pretreatment liquid is applied.

Abstract: The present invention provides a photocurable ink composition for ink jet recording with excellent curability. The photocurable ink composition for ink jet recording includes polymerizable compounds, a photopolymerization initiator, and a colorant, wherein the polymerizable compounds include a vinyl ether group-containing (meth)acrylate represented by general formula (I): CH2?CR1—COOR2—O—CH?CH—R3??(I) (wherein R1 is a hydrogen atom or a methyl group, R2 is a divalent organic residue having 2 to 20 carbon atoms, and R3 is a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms) and phenoxyethyl (meth)acrylate.

Abstract: Provided is an ultraviolet-curable ink jet ink composition with excellent curability and storage stability, the composition containing a monomer A represented by Formula (I): CH2?CR1—COOR2—O—CH?CH—R3 (wherein R1 represents a hydrogen atom or a methyl group, R2 represents a C2-C20 divalent organic residue, and R3 represents a hydrogen atom or a C1-C11 monovalent organic residue); a (meth)acrylated amine compound; a hindered amine compound other than the (meth)acrylated amine compound; and a photopolymerization initiator.

Abstract: An image recording method according to this invention is an image recording method using an ink jet ink composition containing a pigment, in which the maximum particle size of the pigment is 2.5 ?m or less and recording is performed with continuous scanning time of 10 minutes or more.

Abstract: An inkset for ink jet textile printing includes a first ink having a pigment and a resin; and a second ink having a pigment, a resin, and an emulsifier, in which the emulsifier includes at least one kind selected from an anionic emulsifier represented by the following general formula (1) and a nonionic emulsifier represented by the following general formula (2), whose HLB value is 12 or more, R1—O—(CH2—CH2—O)n-A ??(1), and R2—O—(CH2—CH2—O)m—H ??(2).

Abstract: A liquid ejecting apparatus includes a liquid ejector that ejects a liquid, a liquid supply flow path that connects a liquid supply source and the liquid ejector, a plurality of branch flow paths provided in the liquid supply flow path, filters that are disposed separately in each of the branch flow paths, and a flow path opening/closing mechanism that opens and closes the branch flow paths.

Abstract: A photocurable ink composition includes polymerizable compounds and a photopolymerization initiator. The polymerizable compounds include vinyl ether group-containing (meth)acrylic esters represented by the following Formula (I): CH2?CR1—COOR2—O—CH?CH—R3??(I) (wherein, R1 represents a hydrogen atom or a methyl group; R2 represents a divalent organic residue having 2 to 20 carbon atoms; and R3 represents a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms), dipropylene glycol di(meth)acrylate, and monofunctional (meth)acrylate having an aromatic ring skeleton. The ink composition includes a coloring material.

Abstract: A treatment liquid composition contains water, 1,2-alkanediol, and an aggregating agent aggregating or thickening components of an ink composition containing a pigment and is used for a printing method performed by causing the ink composition to adhere to cloth by an ink jet method.

Abstract: The present invention provides a photocurable ink composition for ink jet recording with excellent curability. The photocurable ink composition for ink jet recording includes polymerizable compounds, a photopolymerization initiator, and a colorant, wherein the polymerizable compounds include a vinyl ether group-containing (meth)acrylate represented by general formula (I): CH2?CR1—COOR2—O—CH?CH—R3??(I) (wherein R1 is a hydrogen atom or a methyl group, R2 is a divalent organic residue having 2 to 20 carbon atoms, and R3 is a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms) and phenoxyethyl (meth)acrylate.

Abstract: A radiation-curable ink jet composition contains monomer A represented by formula (1), a mono-, bi-, or trifunctional urethane (meth)acrylate oligomer, and an N-vinyl compound: CH2?CR1—COOR2—O—CH?CH—R3??(1) where R1 denotes —H or —CH3, R2 denotes an organic residue having 2 to 20 carbon atoms, and R3 denotes a hydrogen atom or an organic residue having 1 to 11 carbon atoms.