Seiko Epson Corporation

Hideki Oguchi

Yasunari Ikeda

Shinichi Naito

Miho Nakamura

Takuya Sonoyama

Takeshi Yano

Yoshitaka Miyajima

Yuki Wakushima

Akihito Sao

Nao Kozaka

Akio Ito

A textile printing ink jet ink composition set includes a textile printing ink jet ink composition having a hue angle &#x2220;h&#xb0; within a range of 260&#xb0; or more and 310&#xb0; or less and a chroma C* of 45 or less, which are specified in the CIELAB color space, on a textile printing product after textile printing; and a textile printing ink jet ink composition having a hue angle &#x2220;h&#xb0; within a range of 15&#xb0; or more and 80&#xb0; or less and a chroma C* of 65 or less, which are specified in the CIELAB color space, on a textile printing product after textile printing.

Textile printing ink jet ink composition set and recording method

An ink jet recording method performed on a fabric to which a hydrotropic agent is attached includes attaching an ink jet composition for textile printing including a metal complex salt dye, in which a hue angle &#x2220;h&#xb0; defined in CIELAB color space on printed textiles after printing is in a range of 260&#xb0; or more and 310&#xb0; or less, to the fabric using an ink jet method, in which there is a region in which a value of a ratio of a mass of the metal complex salt dye with respect to a total mass of dyes included in the ink jet composition for textile printing is 0.6 or more and 1.0 or less, and a value of a ratio of mass of the metal complex salt dye with respect to a mass of the hydrotropic agent in the fabric is 0.2 or more and 1.0 or less.

Recording method

An ink jet ink composition for textile printing including a dye containing copper or chromium and 5% to 30% by mass of a cyclic amide that is liquid at normal temperature and that has a normal boiling point in the range of 190&#xb0; C. to 260&#xb0; C., wherein the hue angle &#x2220;h&#xb0; defined by the CIELAB color space on a recording medium ranges from 260 to 310 degrees.

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

An ink jet ink composition for textile printing including a dye and 5% to 30% by mass of a cyclic amide that is liquid at normal temperature and that has a normal boiling point in the range of 190&#xb0; C. to 260&#xb0; C., wherein the hue angle &#x2220;h&#xb0; defined by the CIELAB color space on a recording medium ranges from 15 to 80 degrees.

There is provided an ink jet ink set for sublimation transfer, including: a first ink composition; and a second ink composition, in which the first ink composition contains a first disperse dye having a molecular weight of 340 or less, and the second ink composition contains a second disperse dye having a molecular weight of 360 or more.

Ink jet ink set for sublimation transfer, dyed product, and manufacturing method thereof

Provided is an orange ink composition for a sublimation transfer, which contains an aromatic compound having a specific structure.

Orange ink composition, ink set, method of manufacturing dyed product, and dyed product

There is provided an ink jet ink set for sublimation transfer, including: a first ink composition containing a first disperse dye and a first dispersant; and a second ink composition containing a second disperse dye and a second dispersant, in which the first disperse dye is the same as the second disperse dye, the content of the first disperse dye in the first ink composition is equal to or greater than the content of the second disperse dye in the second ink composition, the ratio A of the content of the first disperse dye in the first ink composition to the content of the first dispersant in the first ink composition is equal to or greater than the ratio B of the content of the second disperse dye in the second ink composition to the content of the second dispersant in the second ink composition.

Provided is a sublimation transfer ink set including a yellow ink composition containing a yellow dye; a magenta ink composition containing a magenta dye; a cyan ink composition containing a cyan dye; a first black ink composition; and a second black ink composition, in which the first black ink composition contains the yellow dye and the magenta dye, and the cyan dye, and the second black ink composition contains a C.I. disperse blue 360.

Sublimation transfer ink set, dyed product and manufacturing method thereof

There is provided an ink set including a water-based cleaning transportation liquid, and a disperse dye ink composition, in which the water-based cleaning transportation liquid includes water and at least one of an aromatic sulfonate formalin condensate and a lignin sulfonate as a dispersing agent I, without including a coloring material, and the disperse dye ink composition includes a disperse dye, water, and a dispersing agent II.

Ink set

An ink jet black ink composition for sublimation transfer includes water, a water-soluble organic solvent, C.I. Disperse Blue 360, and two or more disperse dyes that achieve a reflectance of less than 0.1 at a wavelength of 380 nm or more and 520 nm or less on a dyed article.

Ink jet black ink composition for sublimation transfer, and dyed article and method for producing dyed article

An ink jet ink composition for sublimation transfer includes dye A and a dye B, in which the dye A is a disperse dye which has a molecular weight of 380 or less and an anthraquinone skeleton having a water-soluble group in a molecule, the dye B is a disperse dye which has a molecular weight of 400 or greater, and in the ink jet ink composition for sublimation transfer, dye solubility of the dye A is greater than dye solubility of the dye B.

Ink jet ink composition for sublimation transfer, ink set, and method of manufacturing dyed product

A sublimation transfer ink to be discharged by an ink jet process contains water, a sublimation dye, and a trehalose-based compound. The amount of the trehalose-based compound in the sublimation transfer ink is preferably in the range of 3% by mass to 20% by mass, both inclusive.

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Fujimi, Japan

Hideki Oguchi