Title:
インク組成物用の分散液、インク組成物、積層体、像形成方法、及び印刷物の製造方法
Document Type and Number:
Japanese Patent JP7161455
Kind Code:
B2
Abstract:
To provide a dispersion liquid from which an ink composition can be produced that has excellent curability and forms a cured film having a hue suitable as a yellow ink composition, even when the dispersion liquid is to be used for an ink composition containing a yellow pigment.SOLUTION: A dispersion liquid is provided to be used for an ink composition which comprises a pigment containing a quinophthalone-based pigment and a pigment dispersant and is cured by active energy rays. The pigment dispersant contains at least one compound selected from the group consisting of a copolymer having an amine value of 20 mgKOH/g or less and an acid value of 10 mgKOH/g or less and having a repeating unit derived from styrene, a repeating unit derived from an unsaturated fatty acid having 12 or more carbon atoms, and a repeating unit derived from polyalkylene oxide having an ethylenic unsaturated double bond, an alkali metal salt of the copolymer, an alkaline earth metal salt of the copolymer, an ammonium salt of the copolymer and an amine derivative of the copolymer.SELECTED DRAWING: Figure 1
Inventors:
Masaki Inumaru
Toshio Furutaka
Gaku Moriyama
Yasumasa Saito
Yukio Sugita
Toshio Furutaka
Gaku Moriyama
Yasumasa Saito
Yukio Sugita
Application Number:
JP2019155072A
Publication Date:
October 26, 2022
Filing Date:
August 27, 2019
Export Citation:
Assignee:
Dnp Fine Chemicals Co., Ltd.
International Classes:
C09D11/037; B41J2/01; B41M5/00; C09D11/101; C09D11/322; C09D11/326; C09D17/00
Domestic Patent References:
| JP2013177580A | ||||
| JP2017122206A | ||||
| JP2015203051A | ||||
| JP2013147023A | ||||
| JP2006348205A | ||||
| JP2013001903A | ||||
| JP2012233111A | ||||
| JP2017141381A |
Foreign References:
| WO2006051701A1 |
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Kazuyoshi
Hayashi Kazuyoshi