Seiko Epson Corporation

Hiroaki Maruyama

Hidehiko Komatsu

Yuki Wakushima

Daisuke Sakuma

An ink jet ink for textile printing contains a reactive dye, where 1.2% by mass or more and 2.3% by mass or less of C.I. Reactive Blue 49 based on the total amount of the ink is contained as the reactive dye.

Ink jet ink for textile printing, ink set, and textile printing method

An ink jet textile printing ink composition contains a sulfonic acid group-containing dye having a ligand coordinated to a metal atom, the ligand being represented by Formula (1) below:  wherein at least one of Rand Rrepresents SOor SOY, where Y represents a hydrogen atom, an alkali metal atom, or an alkaline earth metal atom; when not representing SOor SOY, Rand Rrepresent a halogen atom or a hydrogen atom; Rand Reach independently represent a hydrogen atom, a halogen atom, a sulfo group, a nitro group, an aryl group, a sulfonamide group, a carboxy group, an alkyl group of 1 to 4 carbon atoms, SONHR, or COOR, where Rrepresents a hydrogen atom or an alkyl group; and X represents a metal atom.

Growing community of inventors

Shiojiri, Japan

Hiroaki Maruyama