Title:
AQUEOUS INK, INK CARTRIDGE AND INKJET RECORDING METHOD
Document Type and Number:
Japanese Patent JP2022187338
Kind Code:
A
Abstract:
To provide an aqueous ink having excellent discharge stability, sticking-restoration property and storage stability which can record a fluorescent color image having excellent color development.SOLUTION: There is provided an aqueous ink for inkjet which contains resin particles dyed with a fluorescent dye or an aromatic ring-containing compound and a water-soluble resin. The fluorescent dye includes a dye exhibiting fluorescence selected from a group consisting of a disperse dye and an oil-soluble dye, water solubility of the aromatic ring-containing compound is lower than the water solubility of the fluorescent dye, 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 and the water-soluble resin has an acid value of 100 mgKOH/g or more and 180 mgKOH/g or less.SELECTED DRAWING: None
Inventors:
KISHI HIROMITSU
OKAMURA DAIJI
MIYAMACHI NAOTOSHI
KOBAYASHI SATORU
YUASA HIROHIKO
OKAMURA DAIJI
MIYAMACHI NAOTOSHI
KOBAYASHI SATORU
YUASA HIROHIKO
Application Number:
JP2021095322A
Publication Date:
December 19, 2022
Filing Date:
June 07, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
C09D11/32; B41J2/01; B41J2/175; B41M5/00
Attorney, Agent or Firm:
Toshie Kondo
Chongqing Sugano
Keita Takeyama
Chongqing Sugano
Keita Takeyama