Title:
AQUEOUS INK, INK CARTRIDGE AND INKJET RECORDING METHOD
Document Type and Number:
Japanese Patent JP2022187337
Kind Code:
A
Abstract:
To provide an aqueous ink having excellent discharge stability and sticking-restoration property which can record a fluorescent color image having excellent color development regardless of a type of recording media.SOLUTION: There is provided an aqueous ink for inkjet which contains resin particles dyed with a fluorescent dye, a compound represented by a general formula (1) and a water-soluble resin. The fluorescent dye contains a coumarin dye exhibiting fluorescence, the resin particles have a core part containing an aromatic group-containing unit and a cyano group-containing unit and a shell part containing an aromatic group-containing unit, an anionic group-containing unit and a unit derived from a crosslinking agent and containing no cyano group-containing unit. (R1 represents an alkylamino group, R2 represents an aromatic group or a heteroaromatic group, M represents a hydrogen atom, an alkali metal, ammonium or an organic ammonium.)SELECTED DRAWING: None
Inventors:
TAZAKI SAKI
OKAMURA DAIJI
KISHI HIROMITSU
MIYAMACHI NAOTOSHI
KOBAYASHI SATORU
YUASA HIROHIKO
OKAMURA DAIJI
KISHI HIROMITSU
MIYAMACHI NAOTOSHI
KOBAYASHI SATORU
YUASA HIROHIKO
Application Number:
JP2021095321A
Publication Date:
December 19, 2022
Filing Date:
June 07, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
C09D11/32; B41J2/01; B41M5/00
Attorney, Agent or Firm:
Toshie Kondo
Chongqing Sugano
Keita Takeyama
Chongqing Sugano
Keita Takeyama