A printing ink jet ink composition of the present disclosure is an ink composition which includes an acidic dye; a water-soluble organic solvent; a lactam compound; and water, the acidic dye includes at least one selected from the group consisting of C.I. Acid Black 172 and C.I. Acid Black 52:1, a content of the acidic dye with respect to a total mass of the ink composition is 10 percent by mass or more, the water-soluble organic solvent includes a glycol ether compound having a standard boiling point of 195° C. to 290° C., the lactam compound includes at least one selected from the group consisting of 1-(2-hydroxyethyl)-2-pyrrolidone and ε-caprolactam, and a mass ratio of the lactam compound to the glycol ether compound is 3.5 to 20.

Hydrographic sheets and dip and decorator activity-kits are provided. The dip and decorator activity-kits comprise one or more hydrographic sheet formed of a water-soluble film, having decoration art formed from a non-aqueous ink or dye disposed on at least one side of the sheet, and an instruction for imparting an artistic effect to the article using the one or more hydrographic sheets. The hydrographic sheet leaves floating decoration art upon dissolution in water and wherein the floating decoration art comprises a softened and at least partially solubilized water-soluble film with decoration art for adhering to an article.

An ink jet textile printing composition set of the invention includes an ink jet textile printing ink composition and a penetrant. The ink jet textile printing ink composition contains a fluorescent dye and water, and the penetrant contains a compound having a lactam structure and water.

An ink jet textile printing composition set of the invention includes an ink jet textile printing ink composition and a penetrant. The ink jet textile printing ink composition contains a fluorescent dye and water, and the penetrant contains a compound having a lactam structure and water.

A composition for aqueous ink contains water and a coloring material, wherein the calcium ion content x (ppm) and the oxalate ion content y (ppm) in the composition for aqueous ink jet satisfy the relation of y≤3491.8x.sup.−3.386.

In one aspect, a method for permeating color into components includes the step of placing substrates inside a carrier. The method includes the step of placing the carrier inside an ultrasonic cleaning tank of an ultrasonic cleaning machine. The method includes the step of performing an ultrasonic cleaning in the ultrasonic cleaning tank. After the ultrasonic cleaning, the method transports the carrier with a robotic arm to a washing tank. The method includes the step of inserting, with the robotic arm, the carrier into the washing tank and neutralizing a substrate with water in the washing tank. The method includes the step of feeding warm water into a channel of the washing tank up to a specified level. The method includes the step of steaming the washing tank for a specified steaming time.

In one aspect, a method for permeating color into components includes the step of placing substrates inside a carrier. The method includes the step of placing the carrier inside an ultrasonic cleaning tank of an ultrasonic cleaning machine. The method includes the step of performing an ultrasonic cleaning in the ultrasonic cleaning tank. After the ultrasonic cleaning, the method transports the carrier with a robotic arm to a washing tank. The method includes the step of inserting, with the robotic arm, the carrier into the washing tank and neutralizing a substrate with water in the washing tank. The method includes the step of feeding warm water into a channel of the washing tank up to a specified level. The method includes the step of steaming the washing tank for a specified steaming time.

An ink jet ink composition for textile printing including a dye and 5% to 30% by mass of a cyclic amide that is liquid at normal temperature and that has a normal boiling point in the range of 190 C. to 260 C., wherein the hue angle h defined by the CIELAB color space on a recording medium ranges from 15 to 80 degrees.

An ink jet ink composition for textile printing including a dye and 5% to 30% by mass of a cyclic amide that is liquid at normal temperature and that has a normal boiling point in the range of 190 C. to 260 C., wherein the hue angle h defined by the CIELAB color space on a recording medium ranges from 15 to 80 degrees.

An aqueous ink composition for ink jet textile printing contains: lithium ions; sodium ions; and a dye in which a plurality of ligands represented by any of formula (1), formula (2), and formula (3) coordinate to a metal atom.

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