Title:
INKJET INK SET AND RECORDING METHOD
Document Type and Number:
Japanese Patent JP2022057162
Kind Code:
A
Abstract:
To provide an inkjet ink set from which a printed matter having good color development property and excellent friction fastness (abrasion resistance) can be obtained without performing pretreatment for the purpose of improving color development property without causing aggregation of an ink composition to depend on a surface charge condition of a recorded medium.SOLUTION: An inkjet ink set has: anion ink containing an anion-based resin, a pigment and water; and cationic ink containing a cationic resin, a pigment and water, in which the anion ink and the cationic ink are similar colors, the pigment in the anion ink is coated with the anionic resin, the pigment in the cationic ink is coated with the cationic resin, and at least one the anionic resin and the cationic resin has an urethane-based skeleton or a polyester-based skeleton.SELECTED DRAWING: None
Inventors:
KITADA KENJI
YANO TAKESHI
NAITO SHINICHI
KIKUCHI KENTA
HOKARI HIROFUMI
YANO TAKESHI
NAITO SHINICHI
KIKUCHI KENTA
HOKARI HIROFUMI
Application Number:
JP2020165274A
Publication Date:
April 11, 2022
Filing Date:
September 30, 2020
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
C09D11/322; B41J2/01; B41M5/00
Attorney, Agent or Firm:
Satoshi Nakai
Hiroki Matsuoka
Masayuki Imamura
Hiroki Matsuoka
Masayuki Imamura