Title:
INK COMPOSITION, INK SET, RECORDING METHOD AND INKJET RECORDING DEVICE
Document Type and Number:
Japanese Patent JP2019019306
Kind Code:
A
Abstract:
To provide an ink composition, an ink set, a recording method and an inkjet recording device, which give an image having excellent color developing property, gradation in a dark portion and gas resistance.SOLUTION: The ink composition in accordance with the present invention contains, as dyes, a dye A having a half-value width of 50 nm or less of the maximum peak in an absorption spectrum in a wavelength range from 380 nm to 780 nm, and a dye B having a corresponding half-value width of 70 nm or more. The content of the dye A with respect to the total mass of the dyes is 40 mass% or more and 90 mass% or less.SELECTED DRAWING: Figure 1
Inventors:
HAMA SHINTARO
TERAMOTO TATSUAKI
KUMAMOTO KIYOMI
AOYAMA TETSUYA
ARIGA TOMOHIRO
TSUTSUMI KAZUMASA
TERAMOTO TATSUAKI
KUMAMOTO KIYOMI
AOYAMA TETSUYA
ARIGA TOMOHIRO
TSUTSUMI KAZUMASA
Application Number:
JP2018060503A
Publication Date:
February 07, 2019
Filing Date:
March 27, 2018
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
C09D11/328; B41J2/01; B41M5/00; C09B11/28; C09B29/09; C09B67/20; C09B67/46; C09D11/03; C09D11/40
Domestic Patent References:
| JP2016108545A | 2016-06-20 | |||
| JP2016041801A | 2016-03-31 | |||
| JP2016029148A | 2016-03-03 | |||
| JP2014195934A | 2014-10-16 | |||
| JP2004225004A | 2004-08-12 | |||
| JP2004229696A | 2004-08-19 | |||
| JP2008081693A | 2008-04-10 | |||
| JP2017024397A | 2017-02-02 | |||
| JP2006028262A | 2006-02-02 |
Foreign References:
| WO2017146233A1 | 2017-08-31 | |||
| WO2017146234A1 | 2017-08-31 |
Attorney, Agent or Firm:
Yukio Fuse
Mitsue Obuchi
Mitsue Obuchi