Ink composition for ink jet textile printing and method of ink jet textile printing
An ink composition for ink jet textile printing according to the present disclosure contains a specific acidic dye being at least one selected from the group consisting of C.I. Acid Blue 112 and C.I. Acid Blue 140, a water-soluble organic solvent, and water. A glycol-based solvent and a cyclic amide-based solvent are contained as the water-soluble organic solvent. The cyclic amide-based solvent contains at least either ε-caprolactam or N-hydroxyethyl-2-pyrrolidone. The content of the glycol-based solvent is 10.0% by mass or more.
1 . An ink composition for ink jet textile printing, the ink composition comprising:
a specific acidic dye being at least one selected from a group consisting of C.I. Acid Blue 112 and C.I. Acid Blue 140;
a water-soluble organic solvent; and
water, wherein
a glycol-based solvent and a cyclic amide-based solvent are contained as the water-soluble organic solvent,
the cyclic amide-based solvent contains at least N-hydroxyethyl-2-pyrrolidone,
the glycol-based solvent includes dipropylene glycol monobutyl ether, and
a content of the glycol-based solvent is 10.0% by mass or more.
2 . The ink composition for ink jet textile printing according to claim 1 , wherein
the specific acidic dye contains both C.I. Acid Blue 112 and C.I. Acid Blue 140.
3 . The ink composition for ink jet textile printing according to claim 1 , wherein
a content of the specific acidic dye is 12.0% by mass or less.
4 . The ink composition for ink jet textile printing according to claim 1 , wherein
a compound having a glycol structure and a compound having a glycol ether structure are contained as the glycol-based solvent.
5 . The ink composition for ink jet textile printing according to claim 1 , wherein
the glycol-based solvent includes one or more selected from a group consisting of diethylene glycol, triethylene glycol, dipropylene glycol, tripropylene glycol, triethylene glycol monobutyl ether, diethylene glycol monobutyl ether, and dipropylene glycol monopropyl ether.
6 . The ink composition for ink jet textile printing according to claim 5 , wherein
the glycol-based solvent includes triethylene glycol.
7 . The ink composition for ink jet textile printing according to claim 1 , wherein
a content of the cyclic amide-based solvent is 3.0% by mass or more.
8 . The ink composition for ink jet textile printing according to claim 1 , wherein
a sum of a content of the glycol-based solvent and a content of the cyclic amide-based solvent is 15.0% by mass or more.
9 . The ink composition for ink jet textile printing according to claim 1 , further comprising a chelating agent in a content of 0.01% by mass or more.
10 . The ink composition for ink jet textile printing according to claim 1 , further comprising C.I. Acid Violet 48.
11 . A method of ink jet textile printing, the method comprising an ink adhesion step of causing the ink composition for ink jet textile printing according to claim 1 to adhere to fabric by an ink jet method.