Seiko Epson Corporation

Mikuni Color Ltd.

Hidehiko Komatsu

Masahiro Yatake

Hiroto Nakamura

Hitoshi Ota

Kazuhiko Hara

Hitoshi Ohta

Yasuhiro Oki

Tetsuya Aoyama

Daisuke Ishihara

Hiroyuki Kaneko

Hideo Yamazaki

Daisuke Sakuma

Hiroko Hayashi

Michinari Tsukahara

Ippei Okuda

Jun Ito

Toshiyuki Miyabayashi

Masayuki Murai

Yuki Wakushima

Hisashi Okamura

Hiroaki Maruyama

Fumitsugu Ito

Tsuyoshi Sano

Takayoshi Kagata

Hiroshi Ito

Takashi Oyanagi

Kazutoshi Fujisawa

Kazuhiko Kitamura

Naoki Koike

Hiroshi Mukai

Tatsuya Ito

Jun Shimazaki

Makoto Matsuzaki

Akio Owatari

Takeshi Yano

Masaaki Itano

Kenichi Kanbayashi

Yoshiyuki Ozawa

Hiromu Hirabayashi

Naoki Okamoto

Shintaro Hama

Kazuaki Tsukiana

Motoki Masuda

Minoru Waki

Nagatoshi Kasahara

Hiromi Noguchi

Keiichi Noto

Kazumi Adachi

Yuzuka Kumagai

Hiroshi Nagasaki

An aqueous ink jet ink composition of the present disclosure contains a color material represented by Formula (1) below, a water-soluble organic solvent, and water. The color material represented by Formula (1) below contains two or more alkali metal ions as counterions, and the counterions include at least a sodium ion. (In Formula (1), M represents a counterion.)

Aqueous ink jet ink composition and recording method

An ink jet ink composition includes a coloring material, a water-soluble organic solvent, and water. The coloring material contains a compound (A) having Cr (chromium) as Me in a structure represented by formula (1) below, and a compound (B) having Co (cobalt) as Me in the structure represented by the formula (1) below, and the mass ratio of the compound (B) to the compound (A) is over 0 and 0.06 or less.

Ink jet ink composition

An ink jet ink composition contains a color material, an organic solvent, and water. The ink jet ink composition contains N-hydroxyethylpyrrolidone and N-vinyl-2-pyrrolidone as the organic solvent.

Ink jet ink composition and recording method

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.

Ink jet textile printing ink composition and recording method

An ink jet printing ink includes a colorant selected from acid dyes and reactive dyes, an organic solvent, and water. The organic solvent has a solubility parameter value greater than or equal to 11 and less than or equal to 13.5. The organic solvent also has a viscosity, at 20&#xb0; C., greater than or equal to 10 mPa&#xb7;s and less than or equal to 180 mPa&#xb7;s.

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

An ink jet textile printing ink contains at least one water-soluble dye selected from the group consisting of acid dyes, reactive dyes, and direct dyes, a nonionic surfactant with a content in the range of 0.05% by mass to 3.0% by mass relative to the total mass of the ink, and an anionic surfactant with a content in the range of 1 ppm by mass to 100 ppm by mass relative to the total mass of the ink.

Ink jet textile printing ink and ink jet textile printing ink set

An ink jet ink composition includes one or two or more compounds A selected from the group consisting of a compound represented by Formula (1) and a compound represented by Formula (4), one or two or more compounds B selected from the group consisting of a compound represented by Formula (2), a compound represented by Formula (3), and a compound represented by Formula (5), and water,  (in Formula (1) to Formula (5), R each independently represents NZor OZ; R' each independently represents a hydrogen atom, a sulfate group, or a sulfate; X each independently represents a hydroxyl group or a hydroxide salt; Y each independently represents a hydrogen atom, a hydroxyl group, or a hydroxide salt; and Z each independently represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms).

An ink composition contains a first dye represented by formula (I) and a second dye represented by formula (II) 

Ink composition, ink set, and recording method

An ink jet textile printing penetrant includes a water-soluble organic solvent; a surfactant; and one type or two or more types selected from the group consisting of a chelating agent and an aromatic compound.

Ink jet textile printing penetrant and ink jet recording apparatus

An ink jet textile printing ink composition according to the invention contains Li, Na, and a compound represented by the following formula (1): 

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

The ink composition for ink jet textile printing according to the invention is an ink composition which includes each dye satisfying the following conditions A, B, and C, two or more kinds of solvent having a boiling point of 190&#xb0; C. or higher and lower than 260&#xb0; C. under a pressure of 1 atm, and water, in which the solvent includes 5% by mass or greater of a nitrogen-containing heterocyclic compound with respect to the total mass of the ink composition and 5% by mass or greater of an alkyl polyol with respect to the total mass of the ink composition.

Ink composition for ink jet textile printing and textile printing method

An ink jet textile printing method includes recording by applying an ink composition containing a dye to a front surface of a fabric by an ink jet method and applying a liquid penetrant to the front surface or a rear surface of the fabric before or after the recording. The liquid penetrant includes a nitrogen compound having a boiling point of 230 to 260&#xb0; C. and an alkyl polyol having a boiling point of 230 to 260&#xb0; C. and does not substantially include alkyl polyols having a boiling point higher than 260&#xb0; C.

Ink jet textile printing method and ink set

The ink jet recording method is an ink jet recording method used in a recording apparatus including a white ink containing a white color material, a resin ink containing a resin, and a glitter ink containing a glitter pigment, and a head for recording using the white ink, the resin ink, and the glitter ink, the method including firstly forming a white ink layer on a recording medium, secondly forming a resin ink layer on the white ink layer, and thirdly forming the glitter ink layer on the white ink layer.

Ink jet recording method, ink set, and recorded matter

Provided is an ink jet printing method of discharging glitter ink, of which glitter pigment is dispersed in water, onto a non-ink-absorption or low-ink-absorption printing medium in an ink jet method. The ink jet printing method includes: a foundation layer formation process of forming a foundation layer by providing resin ink, of which a resin component is dispersed or dissolved in a dispersion medium, onto at least a portion of the printing medium on which the glitter ink is intended to be discharged; and a glitter ink printing process of discharging the glitter ink onto the foundation layer.

Ink jet printing method, ink set, and printed matter

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Chino, Japan

Hidehiko Komatsu