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Title:
INK AND INK-JET RECORDING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/006211
Kind Code:
A1
Abstract:
Provided is an ink which comprises a water-insoluble colorant, a dispersant, a polymer resin, and water, wherein the polymer resin is one obtained from: four monomers which are methacrylic acid and three monomers selected respectively from among C1- to C4-alkyl methacrylates, C6- to C10-alkyl acrylates, and unsaturated C2- to C4-alkyl methacrylates; and a reactive emulsifier having a radical-polymerizable double bond in the molecule. Also provided are: an ink-jet recording method in which the ink is used; a recording medium to which the ink has been adhered; and an ink-jet printer including a vessel filled with the ink.

Inventors:
SAI HA (JP)
TODA SHOGO (JP)
TAKEDA MICHIAKI (JP)
TAKAHASHI HIROTOSHI (JP)
Application Number:
PCT/JP2020/026217
Publication Date:
January 14, 2021
Filing Date:
July 03, 2020
Export Citation:
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Assignee:
NIPPON KAYAKU KK (JP)
International Classes:
B41J2/01; B41M5/00; C09D11/30
Domestic Patent References:
WO2014156460A12014-10-02
WO2015079761A12015-06-04
WO2016152580A12016-09-29
WO2018181528A12018-10-04
WO2015147192A12015-10-01
WO2013115071A12013-08-08
Foreign References:
JP2010280830A2010-12-16
JP2012201692A2012-10-22
JP2012201691A2012-10-22
JP2012184365A2012-09-27
JP2017186505A2017-10-12
JP2019108559A2019-07-04
JP2019104136A2019-06-27
JP2019077848A2019-05-23
JP2015081322A2015-04-27
JP2000034432A2000-02-02
JP2000336292A2000-12-05
JP2009191133A2009-08-27
JP2013213210A2013-10-17
JP2017141388A2017-08-17
Other References:
See also references of EP 3998164A4
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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