Title:
AQUEOUS DISPERSION AND METHOD FOR PRODUCING THE SAME, AND INK, PRINTING METHOD, PRINTER, AND PRINTED MATTER
Document Type and Number:
Japanese Patent JP2022038182
Kind Code:
A
Abstract:
To provide an aqueous dispersion that gives a high image density and prevents the image density from decreasing during heating and drying.SOLUTION: An aqueous dispersion involves pigment-containing resin particles, which contain inorganic pigment, and a surfactant. The pigment-containing resin particles have a cumulative 50% volume particle diameter (D50) of 200 nm or more and 500 nm or less, and the pigment-containing resin particles have an aspect ratio of 1.0 or more and 1.5 or less.SELECTED DRAWING: None
Inventors:
YAMAZAKI TAKUYA
MIYAKOSHI AKIRA
HATTA SHUKO
MIYAKOSHI AKIRA
HATTA SHUKO
Application Number:
JP2020142542A
Publication Date:
March 10, 2022
Filing Date:
August 26, 2020
Export Citation:
Assignee:
RICOH CO LTD
International Classes:
C09C3/10; B41J2/01; B41M5/00; C08K3/013; C08L67/00; C08L101/00; C09C1/48; C09D11/322; C09D17/00
Attorney, Agent or Firm:
Koichi Hirota