Title:
INKJET INK, INK SET, INK MEDIUM SET, AND PRINTING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/224788
Kind Code:
A1
Abstract:
Provided is an inkjet ink, etc., containing a pigment, a water-soluble organic solvent, and an organic compound (excluding said pigment and said water-soluble organic solvent), wherein said organic compound has an interfacial tension against PET of 15.50 mN/m or less, the value of (B)/(A) is 0.005–1, where (A) is the total mass of said water-soluble organic solvent in the ink and (B) is the total mass of said organic compound, and the surface tension at 25°C is 43.1 mN/m or less. Also provided are an ink set and an ink medium set comprising the ink, and a printing medium to which the ink is adhered.
Inventors:
KAJI YUKI (JP)
YOSHIDA KEISHIRO (JP)
MISAWA SHUNTA (JP)
MATSUMURA AIKO (JP)
YOSHIDA KEISHIRO (JP)
MISAWA SHUNTA (JP)
MATSUMURA AIKO (JP)
Application Number:
PCT/JP2022/016359
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:
| WO2013115071A1 | 2013-08-08 |
Foreign References:
| JP2015110793A | 2015-06-18 | |||
| JP2018154118A | 2018-10-04 | |||
| JP2020006676A | 2020-01-16 | |||
| JP2020125452A | 2020-08-20 | |||
| JP6754882B1 | 2020-09-16 | |||
| JP5504890B2 | 2014-05-28 | |||
| JP2020125382A | 2020-08-20 | |||
| JP2020055943A | 2020-04-09 | |||
| US4880465A | 1989-11-14 | |||
| JPS3562754B1 | ||||
| JP6026234B2 | 2016-11-16 | |||
| JP5459460B2 | 2014-04-02 | |||
| JP2003268694A | 2003-09-25 | |||
| JP4902216B2 | 2012-03-21 |
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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