Title:
AZO PIGMENT DISPERSION CONTAINING PIGMENT DERIVATIVE, AND COLORING COMPOSITION FOR FILM FORMATION
Document Type and Number:
Japanese Patent JP2020147682
Kind Code:
A
Abstract:
To provide: an azo pigment dispersion which can inhibit reduction in luminance and realize better contrast than the prior art; and a coloring composition for film formation containing the azo pigment dispersion.SOLUTION: The azo pigment dispersion contains an azo pigment, a pigment derivative such as the formula (6) in the figure, a dispersant, and a solvent. The coloring composition for film formation contains the pigment dispersion and a film-forming component.SELECTED DRAWING: None
Inventors:
YAMAJI KENTA
Application Number:
JP2019046523A
Publication Date:
September 17, 2020
Filing Date:
March 13, 2019
Export Citation:
Assignee:
SANYO COLOR WORKS
International Classes:
C09D17/00; C09B29/20; C09B67/20; C09D7/41; C09D201/00
Domestic Patent References:
| JPS4418588B1 | ||||
| JP2016188346A | 2016-11-04 |
Attorney, Agent or Firm:
Takao Yanagino
Yanano Yoshihide
Norio Morioka
Hisayoshi Sekiguchi
Masato Nakagawa
Yanano Yoshihide
Norio Morioka
Hisayoshi Sekiguchi
Masato Nakagawa