Title:
INKJET INK, INK SET, INK MEDIUM SET, AND PRINTING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/224787
Kind Code:
A1
Abstract:
Provided is an inkjet ink which contains a pigment, a water-soluble organic solvent, and an organic compound (but excluding the pigment and the water-soluble organic solvent), and in which the logP value of the water-soluble organic solvent is less than 1.258, the interface tension of the organic compound with respect to OPP is less than 20.7 mN/m, the value of (B)/(A) is 0.01-0.50 where (A) represents the total mass of the water-soluble organic solvent in the ink, and (B) represents the total mass of the organic compound, and the surface tension is less than 33.7 mN/m at 25°C. Also, provided are: an ink set and ink medium set comprising the ink; and a print medium to which the ink has adhered.
Inventors:
MISAWA SHUNTA (JP)
YOSHIDA KEISHIRO (JP)
YOSHIDA KEISHIRO (JP)
Application Number:
PCT/JP2022/016358
Publication Date:
October 27, 2022
Filing Date:
March 30, 2022
Export Citation:
Assignee:
NIPPON KAYAKU KK (JP)
International Classes:
B41J2/01; B41M5/00; C09D11/322
Domestic Patent References:
| WO2014122945A1 | 2014-08-14 | |||
| WO2013115071A1 | 2013-08-08 |
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Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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