INKJET INK, INK SET, INK MEDIUM SET, AND PRINTING MEDIUM

Title:

INKJET INK, INK SET, INK MEDIUM SET, AND PRINTING MEDIUM

Document Type and Number:

WIPO Patent Application WO/2024/034369

Kind Code:

A1

Abstract:

Provides is an inkjet ink which contains a water-insoluble coloring agent, a dispersant, a fixing resin and water, wherein: the fixing resin contains, as constituent monomer units, a C1-C4 alkyl (meth)acrylate unit and a styrene sulfonate unit; at least a butyl acrylate unit is contained as a C1-C4 alkyl (meth)acrylate unit; the content of the butyl acrylate unit in the fixing resin is more than 31.5% by mass but less than 46.5% by mass; and the content of the styrene sulfonate unit in the fixing resin is not less than 0.1% by mass but less than 3.0% by mass. Also provided are: an ink set which comprises this inkjet ink; an ink medium set which comprises this inkjet ink or this ink set and a printing medium; and a printing medium to which this inkjet ink is adhered.

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Inventors:

UEKI NATSUKO (JP)
MISAWA SHUNTA (JP)
YOSHIDA KEISHIRO (JP)

Application Number:

PCT/JP2023/026928

Publication Date:

February 15, 2024

Filing Date:

July 24, 2023

Export Citation:

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Assignee:

NIPPON KAYAKU KK (JP)

International Classes:

C09D11/30; B41J2/01; B41M5/00; C09D11/40

Foreign References:

JP2013028658A	2013-02-07
JP2022181175A	2022-12-07
JP2012046639A	2012-03-08

Attorney, Agent or Firm:

SHOBAYASHI Masayuki et al. (JP)

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