Title:
銅フタロシアニン顔料組成物及びこれを有するインキ組成物
Document Type and Number:
Japanese Patent JP6631764
Kind Code:
B2
Abstract:
The problem to be solved by the present invention is to provide a copper phthalocyanine pigment composition that exhibits an excellent redissolvability and a good viscosity (initial viscosity, viscosity with elapsed time) with glycol ether inks. This problem is solved by providing a copper phthalocyanine pigment composition characterized by comprising a β-form copper phthalocyanine pigment and a pigment derivative represented by formula (I) [in the formula, R1, R2, R3, and R4 each independently represent a hydrogen atom or a C1 to C20 alkyl group, and at least one of R1, R2, R3, and R4 is a C6 to C20 alkyl group].
More Like This:
Inventors:
Shingo Saito
Taichi Hashiguchi
Taichi Hashiguchi
Application Number:
JP2019545380A
Publication Date:
January 15, 2020
Filing Date:
December 04, 2018
Export Citation:
Assignee:
DIC Corporation
International Classes:
C09B67/20; C09B47/24; C09B47/26; C09D11/033; C09D11/037; C09D11/08
Domestic Patent References:
| JP2004175975A | ||||
| JP9506922A | ||||
| JP1203472A | ||||
| JP1144476A | ||||
| JP1144475A | ||||
| JP5233922A | ||||
| JP2010533744A |
Foreign References:
| WO2015015832A1 |
Attorney, Agent or Firm:
Shinji Ogawa
Akihiro Iwamoto
Takayuki Ohno
Yoshihisa Saito
Akihiro Iwamoto
Takayuki Ohno
Yoshihisa Saito