Seiko Epson Corporation

Masakazu Ohashi

Toru Saito

Tomoki Shinoda

Kosuke Chidate

Takako Sugiyama

Masashi Kamibayashi

Yoshihiro Watanabe

Ryota Miyasa

Hideki Okada

Masayuki Murai

Toshiyuki Miyabayashi

Makoto Furue

Yuji Aoki

Ryoji Fujimori

Satoru Kobayashi

Keiichiro Yoshino

Masato Murayama

Kiyohiko Takemoto

Kazuaki Tsukiana

Kana Mitsuzawa

Tasuku Nakamura

Hiromi Noguchi

Mayumi Hamada

Kazuto Aoki

An ink jet ink composition set includes a white ink jet ink composition and a nonwhite ink jet ink composition. The white ink jet ink composition contains a white pigment, resin particles, and water, and the nonwhite ink jet ink composition contains a nonwhite pigment, resin particles, and water. The white pigment has cation responsiveness, and the absolute value of zeta potential of the white pigment is lower than the absolute value of zeta potential of the nonwhite pigment.

Ink jet ink composition set and ink jet recording method

A textile printing ink jet ink composition includes a dioxazine pigment, a resin particle, and a lubricant, wherein the content of the dioxazine pigment is 0.5 to 1.5 mass % based on the total amount of the ink composition.

Textile printing ink jet ink composition and textile printing ink jet ink composition set

A pigment printing ink jet ink composition includes a pigment, a resin particle, an organic solvent, and water. The organic solvent includes an amide compound represented by the following general formula (1).  In the general formula (1), Rrepresents a straight chain or branched alkyl group having 1 to 6 carbon atoms, and Rand Reach independently present hydrogen atoms or a straight chain or branched alkyl group having 1 to 4 carbon atoms.

Pigment printing ink jet ink composition and pigment printing ink jet recording method

An ink jet recording apparatus includes an ink composition and a liquid jet head including a nozzle for discharging the ink composition. The ink composition is a textile printing ink composition containing resin particles, a white pigment, and water. The content of the resin particles is 5.0 mass % or more based on the total amount of the ink composition. The content of the white pigment is 5.0 mass % or more based on the total amount of the ink composition. The resin particles have a glass transition temperature of less than 6&#xb0; C. The liquid jet head includes a pressure chamber to which the ink composition is supplied and a circulation return passage enabling the ink composition in the pressure chamber to circulate.

Ink jet recording apparatus and ink jet textile printing method

An ink jet printing clear ink composition includes resin particles; a lubricant; and water. The resin particles includes a urethane resin having a cross-linking group, and the clear ink composition is formed into a dried coating film having a Young's modulus of 5 to 70 MPa.

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

A pigment textile printing ink jet ink composition contains a pigment, a resin particle, a nonionic fluorine-based surfactant, and water.

Pigment textile printing ink jet ink composition, pigment textile printing ink jet ink composition set, and ink jet pigment textile printing method

A liquid discharge apparatus of the present disclosure includes an ink composition and a liquid discharge section including a nozzle for discharging the ink composition. The ink composition is a pigment textile printing ink composition containing resin particles, water, and an organic solvent. The resin particles have a glass transition temperature of 5&#xb0; C. or less and are contained in an amount of 6.5 mass % or more based on the total amount of the ink composition. The ink composition contains a polyhydric alcohol having a boiling point of 270&#xb0; C. or more as the organic solvent in an amount of 15.0 mass % or less based on the total amount of the ink composition. The liquid discharge section includes a pressure chamber and a circulation passage for circulating the ink composition in the pressure chamber.

Liquid discharge apparatus, ink jet recording method, and pigment textile printing ink composition

An ink jet ink composition for textile printing contains a crosslinking component having a blocked isocyanate group, tertiary amine, at least one carboxylic acid selected from the group consisting of monocarboxylic acid, dicarboxylic acid, and tricarboxylic acid, a pigment, and water.

Ink jet ink composition for textile printing and ink jet textile printing method

An inkset for ink jet textile printing includes a first ink having a pigment and a resin; and a second ink having a pigment, a resin, and an emulsifier, in which the emulsifier includes at least one kind selected from an anionic emulsifier represented by the following general formula (1) and a nonionic emulsifier represented by the following general formula (2), whose HLB value is 12 or more,R&#x2014;O&#x2014;(CH&#x2014;CH&#x2014;O)-A&#x2003;&#x2003;(1), andR&#x2014;O&#x2014;(CH&#x2014;CH&#x2014;O)&#x2014;H&#x2003;&#x2003;(2).

Inkset for ink jet textile printing and ink jet textile printing method

A treatment liquid composition for use in ink jet pigment textile printing and used by attaching it to fabric contains a cationic compound, at least one compound selected from polyvinylpyrrolidones, polyethylene oxides, carboxymethyl celluloses, hydroxyethyl celluloses, and polyvinyl alcohols, and water. The fabric contains polyester.

Treatment liquid composition and ink jet textile printing method

An ink jet printing method includes attaching an ink composition to a cloth by using a printer head which has a nozzle discharging the ink composition, a pressure chamber for imparting pressure to the ink composition to cause the nozzle to discharge the ink composition, and a connection portion connecting the pressure chamber and the nozzle, and in which a distance of the connection portion is 500 &#x3bc;m or more, the distance of the connection portion being from a portion of the pressure chamber where the ink flows out from a pressure chamber to the nozzle side to the nozzle, in which the ink composition includes the resin as a solid content in the amount of 10% by mass to 26% by mass with respect to the ink composition, the ratio of the total content of the organic solvent to the total content of the solid content of the resin is 0.3 or more, and a sum of the total content of the solid content of the resin and the total content of the organic solvent is 37% by mass or less with respect to the ink composition.

Ink jet printing method and ink jet printing apparatus

A textile printing method includes heating a cloth, and applying an ink composition onto the heated cloth by ejecting the ink composition from an ink jet head. The ink composition contains resin fine particles and has a viscosity of 4.5 mPa&#xb7;s or less at 40&#xb0; C. and a surface tension of 28 mN/m or less at 40&#xb0; C.

Textile printing method

An ink jet recording method includes first attaching an ink composition to fabric so as to have an attached amount of 10 mg/inchto 30 mg/inch, and second attaching the ink composition to the fabric so as to have an attached amount of 90 mg/inchto 250 mg/inch, in which the ink composition includes a pigment and a resin dispersion, and a content of a resin included in the resin dispersion is 0.5 parts by mass to 2.5 parts by mass with respect to 1 part by mass of the pigment.

Ink jet recording method and recording apparatus

A liquid ejecting apparatus includes a liquid ejector that ejects a liquid, a liquid supply flow path that connects a liquid supply source and the liquid ejector, a plurality of branch flow paths provided in the liquid supply flow path, filters that are disposed separately in each of the branch flow paths, and a flow path opening/closing mechanism that opens and closes the branch flow paths.

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Shiojiri, Japan

Masakazu Ohashi