Seiko Epson Corporation

Fujifilm Corporation

Yasuhiro Oki

Kazuhiko Kitamura

Hidehiko Komatsu

Tetsuya Aoyama

Hiroko Hayashi

Shigemi Wakabayashi

Hiromi Iseki

Hiroshi Takahashi

Yasunari Ikeda

Ryosuke Teramoto

Nobuo Uotani

Daisuke Sakuma

Yuji Ito

Hiroyuki Kaneko

Motoki Masuda

Masahiro Yatake

Hiroshi Fukumoto

Masahiro Hanmura

Yoshiharu Yabuki

Keiichi Tateishi

Shigeaki Tanaka

Tomohiro Aruga

Makoto Nagase

Kyoichi Oka

Hisashi Okamura

Hiromi Noguchi

Kohei Ishida

Yoshitaka Miyajima

Masayuki Murai

Yuki Wakushima

Shintaro Hama

Yuzuka Kumagai

Jyun Ito

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 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.

Ink jet textile-printing ink composition, recording method, and recorded material

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

A textile printing method for printing on a fabric, the fabric being a nonwoven fabric containing synthetic fibers. includes a first adhering step of adhering to the fabric by ejecting a dyeing ink by an ink jet method, and a second adhering step of adhering a non-dyeing ink to the fabric. The dyeing ink contains a disperse dye, a water-soluble organic solvent, and water, and the non-dyeing ink contains a water-soluble organic solvent and water. The water-soluble organic solvent contained in the non-dyeing ink contains a glycol-based organic solvent having a HSP value of 13.6 or more, and the content of the glycol-based organic solvent is 80% by mass or more relative to the total amount of the organic solvent contained in the non-dyeing ink. The adhesion position of the dyeing ink and the adhesion position of the non-dyeing ink are at least partially overlapped each other.

Textile printing method, printed matter, and recording apparatus

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 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

Provided is an ink jet ink for printing including: water; a first dye; and a second dye, in which the first dye is C.I. Acid Orange 33, and the second dye is one or two kinds selected from C.I. Acid Orange 56 and C.I. Acid Orange 94.

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

Disclosed are an ink composition containing at least one of a porphyrazine compound or a salt thereof and an aromatic compound having a sulfo group or a salt thereof, an ink jet recording method using the ink composition and a recorded material recorded by the recording method.

Ink composition, ink jet recording method using the same and recorded material

Disclosed are an ink composition at least containing a porphyrazine compound or a salt thereof and an aromatic compound having a carboxy group and/or a salt thereof, an ink jet recording method using the ink composition and a recorded material recorded by the recording method.

Ink compostion, recording method using the same and recorded material

An ink composition contains a dye whose free acid is expressed by formula (1), lithium ions, and an aromatic compound having a carboxy group. In formula (1), Q represents a halogen atom, x represents an integer of 2 to 4, and y represents an integer of 1 to 3.

Ink composition, recording method, and recorded article

The present invention aims to provide an ink for ink jet recording that is excellent in storage stability and discharge stability and attains high coloration on regular paper or gloss paper and high glossiness on gloss paper. The ink for ink jet recording of the invention includes: water; and a pigment dispersed by using a polymer which is obtained by polymerizing at least 50% by weight or more of benzylacrylate and 15% by weight or less of (meth)acrylic acid as components of the polymer and has an acid value of no less than 50 mgKOH/g and no more than 120 mgKOH/g and a weight average molecular weight of no less than 10000 and no more than 120000.

Inkjet recording ink

An ink composition contains a particular anthrapyridone dye and a particular copper phthalocyanine dye. The hue angle in the L*a*b* color system calculated from spectral characteristics of a 1,000-fold diluted solution of the ink composition in water is 270&#xb0; to 360&#xb0;. The content of the anthrapyridone dye is higher than the content of the copper phthalocyanine dye.

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Matsumoto, Japan

Yasuhiro Oki