Title:
INK, INKJET RECORDING METHOD AND RECORDING MEDIA
Document Type and Number:
WIPO Patent Application WO/2020/162270
Kind Code:
A1
Abstract:
Provided is an ink which contains carbon black, a dispersing agent, an organic solvent, a resin and water. The BET specific surface area of the carbon black is 80 m2/g or more. The water/octanol partition coefficient of the organic solvent is not less than -0.05 and less than 3.50. The resin is a compound which is different from the dispersing agent and which has an acid value of more than 0 mg KOH/g and less than 100 mg KOH/g. Also provided are: an inkjet recording method that uses the ink; recording media to which the ink is adhered; an ink tank that contains the ink; and an inkjet printer provided with the ink tank.
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Inventors:
TAKEDA MICHIAKI (JP)
MATSUMURA AIKO (JP)
IWAMI MAIKO (JP)
MATSUMURA AIKO (JP)
IWAMI MAIKO (JP)
Application Number:
PCT/JP2020/003047
Publication Date:
August 13, 2020
Filing Date:
January 28, 2020
Export Citation:
Assignee:
NIPPON KAYAKU KK (JP)
International Classes:
B41J2/01; B41M5/00; C09D11/324; C09D11/38
Foreign References:
| JP2010285476A | 2010-12-24 | |||
| JP2011080041A | 2011-04-21 | |||
| JP2013209440A | 2013-10-10 | |||
| JP2009249446A | 2009-10-29 | |||
| JP2011190344A | 2011-09-29 |
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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