Title:
ULTRAVIOLET RAY-CURABLE AQUEOUS INK FOR INKJET PRINTING, ULTRAVIOLET RAY-CURABLE AQUEOUS COMPOSITION FOR INKJET PRINTING, AND PRINTED MATTER
Document Type and Number:
Japanese Patent JP2022185200
Kind Code:
A
Abstract:
To provide an ink for inkjet printing excellent in environment safety property, meeting high requirement characteristics as an ink for printing of an inkjet printer for commercial use such as high picture quality performance, high coated film performance, rapid printing property, and substrate versatility, in a balanced manner, and being particularly excellent in alcohol resistance, scratch resistance, and elution resistance, and yet excellent in pigment dispersion stability.SOLUTION: An ultraviolet ray-curable aqueous ink for inkjet printing includes: at least an ultraviolet ray-curable oligomer; and a coloring agent, where the ultraviolet ray-curable oligomer has a structural unit derived from a polyisocyanate compound (A), a structural unit derived from a compound (B') indicated below, and a structural unit derived from a compound (C') indicated below. The compound (B') is a compound containing two or more polymerizable unsaturated bonds, and capable of being bonded to the polyisocyanate compound (A). The compound (C') is a water-soluble compound capable of being bonded to the polyisocyanate compound (A), and having a (meth)acryloyl group.SELECTED DRAWING: None
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Inventors:
KARASAWA TAMAE
INABA KEISUKE
NAKAGAWA TOMOKO
WAKABAYASHI KAZUKI
NOGAMI HIROYUKI
TSUJIMOTO ATSUSHI
SAKATANI SHUHEI
INABA KEISUKE
NAKAGAWA TOMOKO
WAKABAYASHI KAZUKI
NOGAMI HIROYUKI
TSUJIMOTO ATSUSHI
SAKATANI SHUHEI
Application Number:
JP2021092710A
Publication Date:
December 14, 2022
Filing Date:
June 02, 2021
Export Citation:
Assignee:
MITSUBISHI CHEM CORP
International Classes:
C09D11/38; B41J2/01; B41M5/00
Attorney, Agent or Firm:
Patent Attorney Corporation Ichizawa / Kawada International Patent Office