Provided is an aqueous white inkjet ink including: a white pigment; a water-dispersible urethane resin; an amine compound with a molecular weight of 110 to 150; and water, in which an amount of the amine compound with a molecular weight of 110 to 150 relative to a total amount of the ink is 0.2 to 1.3% by mass, and a mass ratio of the amine compound with a molecular weight of 110 to 150 relative to the water-dispersible urethane resin satisfies (a mass of the amine compound with a molecular weight of 110 to 150)/(a mass of the water-dispersible urethane resin)=0.02 to 0.08.

Provided is an aqueous white inkjet ink including: a white pigment; a water-dispersible urethane resin; an amine compound with a molecular weight of 110 to 150; and water, in which an amount of the amine compound with a molecular weight of 110 to 150 relative to a total amount of the ink is 0.2 to 1.3% by mass, and a mass ratio of the amine compound with a molecular weight of 110 to 150 relative to the water-dispersible urethane resin satisfies (a mass of the amine compound with a molecular weight of 110 to 150)/(a mass of the water-dispersible urethane resin)=0.02 to 0.08.

A method of producing an acrylic copolymer of the present disclosure is a method of producing an acrylic copolymer that contains a RAFT agent, a polymerization initiator, and a monomer including at least an acrylic monomer, in which a mass ratio of an amount of the polymerization initiator to be charged to an amount of the RAFT agent to be charged is preferably 3.0 or greater and 18.0 or less. A mass ratio of an amount of the monomer to be charged to the amount of the RAFT agent to be charged is 100 or greater and 1000 or less. A mass ratio of an amount of the monomer to be charged to the amount of the polymerization initiator to be charged is 50 or greater and 300 or less.

A recording method includes a supply step of supplying an ink composition from an ink chamber to an ink jet head and an adhesion step of discharging the ink composition from the ink jet head and allowing the composition to adhere to a recording medium. The ink chamber receives supply of the ink composition from the ink container and has a capacity of 40 mL or more. The ink composition is an aqueous ink composition containing a pigment and an inorganic oxide particle having a specific gravity equal to or higher than that of the pigment.

A recording method includes a supply step of supplying an ink composition from an ink chamber to an ink jet head and an adhesion step of discharging the ink composition from the ink jet head and allowing the composition to adhere to a recording medium. The ink chamber receives supply of the ink composition from the ink container and has a capacity of 40 mL or more. The ink composition is an aqueous ink composition containing a pigment and an inorganic oxide particle having a specific gravity equal to or higher than that of the pigment.

Provided is a white inkjet ink for textile printing including: a white inorganic pigment, resin particles A, resin particles B, and water, in which a film elongation of the resin particles A is at least 1000%, the resin particles B are ionic resin particles with an average particle size of not more than 150 nm, and an average particle size of the resin particles A is twice or more than the average particle size of the resin particles B. An ink set and a method for producing a printed textile item are also provided.

Provided is a white inkjet ink for textile printing including: a white inorganic pigment, resin particles A, resin particles B, and water, in which a film elongation of the resin particles A is at least 1000%, the resin particles B are ionic resin particles with an average particle size of not more than 150 nm, and an average particle size of the resin particles A is twice or more than the average particle size of the resin particles B. An ink set and a method for producing a printed textile item are also provided.

An infrared transmitting ink composition for inkjet, a method of forming a bezel pattern using the same, a bezel pattern manufactured thereby, and a display substrate comprising the same are disclosed. The ink composition may check alignment marks using an infrared camera and detect pressure marks by non-destructive inspection even after the bezel pattern thereof is printed on a display substrate, and also may improve the adhesion to the substrate and the performance of inkjet process. The infrared ray transmitting ink composition for ink jet comprises a lactam black pigment, a dispersant, an epoxy compound, a vinyl ether compound, an oxetane compound, a photopolymerization initiator and an organic solvent.

An infrared transmitting ink composition for inkjet, a method of forming a bezel pattern using the same, a bezel pattern manufactured thereby, and a display substrate comprising the same are disclosed. The ink composition may check alignment marks using an infrared camera and detect pressure marks by non-destructive inspection even after the bezel pattern thereof is printed on a display substrate, and also may improve the adhesion to the substrate and the performance of inkjet process. The infrared ray transmitting ink composition for ink jet comprises a lactam black pigment, a dispersant, an epoxy compound, a vinyl ether compound, an oxetane compound, a photopolymerization initiator and an organic solvent.

The present disclosure is drawn to aqueous pigment dispersions. In one example, an aqueous pigment dispersion can include from 40 wt % to 90 wt % water, from 2 wt % to 30 wt % organic co-solvent, from 7.5 wt % to 30 wt % copper phthalocyanine pigment, from 0.5 wt % to 5 wt % styrene-acrylic dispersant, and from 0.5 wt % to 5 wt % hydrophilic polyurethane dispersant having a weight average molecular weight from 10,000 Mw to 30,000 Mw. The styrene-acrylic dispersant and the hydrophilic polyurethane dispersant can be present at a weight ratio from 1:10 to 2:1.