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US 12,486,415 B2Granted
Ink jet textile-printing ink composition, recording method, and recorded material
AssigneeSeiko Epson Corporation
InventorsKohei Ishida, Yasuhiro Oki, Tomohiro Aruga
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Abstract
An ink jet textile-printing ink composition according to the present disclosure contains an acidic dye having water solubility of 30 g/L or less at 20° C., 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, and the cyclic-amide-based solvent contains one or both of ε-caprolactam and N-hydroxyethyl-2-pyrrolidone.
Claims9
An ink jet textile-printing ink composition comprising:
- an acidic dye having water solubility of 30 g/L or less at 20° C.;
- 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 one or both of ε-caprolactam and N-hydroxyethyl-2-pyrrolidone,
- the acidic dye is at least one selected from the group consisting of C.I. Acid Red 407 and C.I. Acid Violet 97,
- a content of the glycol-based solvent in the ink jet textile-printing ink composition is denoted as XG (% by mass), a content of the cyclic-amide-based solvent is denoted as XL (% by mass), and
- 11.7≤XG/XL≤50.0.
6 more elements
Dependencies are inferred from the claim text.