Seiko Epson Corporation

Other

Fujifilm Corporation

Orient Chemical Industries, Ltd.

Hiroko Hayashi

Masahiro Yatake

Miharu Kanaya

Yasuhiro Oki

Kiyohiko Takemoto

Kazuhiko Kitamura

Yasunari Ikeda

Akio Owatari

Masaaki Itano

Hirofumi Hokari

Shinichi Naito

Kenji Kitada

Kenta Kikuchi

Yasuhiro Ouki

Hisashi Okamura

Hidehiko Komatsu

Hiroyuki Onishi

Toshiyuki Miyabayashi

Seiji Kagami

Kazuhiko Hara

Hitoshi Ohta

Masahiro Hanmura

Takashi Ono

Tatsuya Yagyu

Masayuki Momose

Shinichi Yamamoto

Yoshihiro Sawatari

Yukari Sano

Motoki Masuda

Miharu Yoshida

Yoshiyuki Koike

Michio Nakamori

Shigeki Kawada

Issei Kawabata

Satoru Arata

Etsuko Yoshiike

Junko Shimizu

Yaeko Uchiyama, Deceased

Kazumasa Otsuki

Yoshiharu Yabuki

Tsuyoshi Sano

Hitoshi Ota

Keiichi Tateishi

Hiroshi Ito

Tetsuya Aoyama

Jun Ito

Hiroshi Fukumoto

Shigeaki Tanaka

Makoto Nagase

Makoto Matsuzaki

Hiroto Nakamura

Kazuhide Kubota

Ryosuke Teramoto

Daisuke Ishihara

Tomoyuki Okuyama

Yuho Miyake

Yoshiyuki Ozawa

Nagatoshi Kasahara

Kyoichi Oka

Hiromi Ohori

Daisuke Nishioka

Junko Takatsuna

Keiichi Noto

Fumitsugu Ito

Masaki Sasaki

Jyun Ito

Sohko Ito

An aqueous ink jet composition of the present disclosure includes: at least one dye selected from the group consisting of C.I. Solvent Yellow 160:1, C.I. Disperse Yellow 82, and C.I. Disperse Yellow 184; a material A which is at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), an ethylene oxide adduct of tristyrylphenol, a derivative of an ethylene oxide adduct of tristyrylphenol, a polyalkylene glycol, and a derivative of a polyalkylene glycol; and an anionic dispersant.

Aqueous ink jet composition

An aqueous ink jet composition contains: C.I. Disperse Red 364; a material A which is at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), an ethylene oxide adduct of tristyrylphenol, a derivative of the ethylene oxide adduct of tristyrylphenol, a polyalkylene glycol, and a derivative of the polyalkylene glycol; and an anionic dispersant. 

An aqueous ink jet composition includes a first component which is at least one selected from the group consisting of C.I. Solvent Yellow 160: 1, C.I. Disperse Yellow 82, and C.I. Disperse Yellow 184; a second component which is a dispersant having at least one chemical structure of a sulfo group and a salt thereof; and a third component which has a coumarin skeleton and at least one chemical structure of a sulfo group and a salt thereof.

An aqueous ink jet composition contains at least one disperse dye selected from the group consisting of C.I. Disperse Yellow 54, C.I. Disperse Red 60, and C.I. Disperse Blue 359, and a styrene maleic acid-based dispersing agent represented by Formula (1). 

An ink jet textile printing ink composition includes water; a color material; and a metal chelating agent. In the ink composition described above, the metal chelating agent includes at least one selected from methyl glycine diacetic acid, L-glutamate diacetic acid, L-aspartic diacetic acid, hydroxyethylimino diacetic acid, 3-hydroxy-2,2'-iminodisuccucinic acid, dicarboxymethyl glutamic acid, (S,S)-ethylenediaminedisuccinic acid, and salts thereof, and the pH of the ink composition is 6 to 10.

Ink jet textile printing ink composition and ink receiving container

There is provided an ink set including at least: a yellow ink; a magenta ink; and a cyan ink, in which the yellow ink includes one or more kinds selected from a group consisting of coloring materials represented by the following Formulae (Y-1) and (Y-2), the magenta ink includes one or more kinds selected from a group consisting of coloring materials represented by the following Formulae (M-1) and (M-2), and the cyan ink includes one or more kinds selected from a group consisting of coloring materials represented by the following Formulae (C-1) and (C-2).

Ink set

An ink jet recording ink has excellent dispersion stability and ejection stability and is capable of providing images free from bleeding. Such an ink exhibits excellent color development and rubbing resistance. The ink jet recording ink comprises a pigment dispersed by a polymer; water; at least one compound selected from the group consisting of an acetylene glycol surfactant and an acetylene alcohol surfactant; and 1,2-hexanediol. The pigment dispersed by the polymer is produced by a phase conversion emulsification, an emulsion polymerization, an acid deposition or a forced emulsification. The ink has a surface tension between 25 mN/m and 45 mN/m.

Ink jet recording ink, ink jet recording ink set, recording method, recorded matter and ink jet recording apparatus

An ink composition for ink jet recording includes a penetrant for ink jet recording that includes a compound represented by the following formula (1) and 1% by mass or less of alcohol represented by the following formula (2).CH&#x2014;O&#x2014;(CH&#x2014;CH&#x2014;O)&#x2014;H&#x2003;&#x2003;(1)

Ink composition for ink jet recording, penetrant for ink jet recording, and recording apparatus

The ink composition of the invention is applied to a region to which a color ink composition has been applied. The ink composition contains a weather resistance enhancer, is substantially free from a colorant, and is applied to a recording medium to form a coating film exhibiting an integrated value of light transmittance of not more than 2000 for each nanometer at wavelengths of 320 nm to 360 nm and an integrated value of light transmittance of not less than 36000 for each nanometer at wavelengths of 380 nm to 780 nm.

Ink composition, inkset, recording apparatus, and recording method

An aqueous ink ensuring less blurring and high color formation on plain paper, satisfactory color formation and fixing property on special paper and excellent ejection stability is realized by using a microcapsule of a colorant encapsulated with a polymer and rendered dispersible in water and specifying the amount of the aromatic ring in the polymer to be from 20 to 70 wt % of the polymer.

Water-based ink, water-based ink set, and process for producing dispersion

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 including at least water, a cyan dye represented by the formula shown below and an aromatic compound having a carboxyl group and/or a salt thereof; an inkjet recording method using the composition; and recorded matter which is recorded by the recording method wherein M represents a hydrogen atom, a metal element, a metal oxide, a metal hydroxide or a metal halide, Rto Reach independently represents &#x2014;SOZ, and Z represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group, provided that at least one of four Z's has an ionic hydrophilic group as a substituent.

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

An ink for inkjet recording of the invention includes water and a pigment, where the pigment is dispersed using a polymer having a refractive index of at least 1.58 or more, an acid value of 50 mgKOH/g to 120 mgKOH/g, and a weight average molecular weight of 20000 to 120000. It is preferable that the polymer is prepared by using a (meta)acrylate and/or a sulfur-containing (meth)acrylate which have at least a plurality of aromatic rings.

Ink for inkjet recording

An ink jet recording ink (IJ ink) containing a colorant of a pigment and/or dye enveloped in a polymer, and water, and containing at least one compound from the group of acetylene glycol surfactants and acetylene alcohol surfactants, and another compound from the group of glycol ethers and 1,2-alkylene glycols; an IJ ink set including a plurality of the inks; a recording method of using the ink and/or the ink set; recorded matter printed according to the recording method; and an ink jet recording apparatus having an electrostrictive unit mounted thereon and designed so as to be capable of ejecting the ink.

Ink-jet recording ink, ink-jet recording ink set, recording method, print, and ink-jet recording apparatus

It is an object of the present invention to provide an ink composition using a metal phthalocyanine type cyan dye, according to which the indoor storability (gas resistance) of images created using the ink composition can be improved. The present invention provides an ink composition containing water, metal phthalocyanine type cyan dye, and aromatic compound having a sulfo group and/or salt thereof represented by undermentioned general formula (1) and/or (2). Moreover, the present invention provides an ink jet recording method comprising carrying out recording by discharging droplets of an ink composition and attaching the droplets to a recording medium, wherein the ink jet recording method uses an ink composition as described above as the ink composition. Furthermore, the present invention provides a recorded article characterized by being obtained by recording using an ink composition as described above. (In the formula, Mrepresents a counter ion forming a salt, X represents an integer from 1 to 3, and Rand Reach represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or an alkoxy group having 1 to 6 carbon atoms, and Rand Rmay be the same or different.) (In the formula, Mrepresents a counter ion forming a salt, Y represents an integer from 1 to 4, and Rand Reach represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or an alkoxy group having 1 to 6 carbon atoms, and Rand Rmay be the same or different.)

Ink composition, ink jet recording method and recorded article

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Nagano, Japan

Hiroko Hayashi