申请人:Tanaka Shigeaki
公开号:US20110023752A1
公开(公告)日:2011-02-03
The present invention provides a mixed crystal having absorption properties that are excellent for color reproducibility as a blue pigment, and including a compound represented by the following Formula (I) and a compound represented by the following Formula (II), and a colored pigment dispersion composition including the mixed crystal and a medium.
In Formula (I), X represents —SO—Z, —SO
2
—Z, —SO
2
NR
1
R
2
, —SO
3
R
1
, —CONR
1
R
2
or —CO
2
R
1
; Z, R
1
and R
2
each independently represent an alkyl group, an aryl group, a heterocyclic group or the like; Y represents a monovalent substituent; M
1
represents a hydrogen atom, a metal element or the like; and a and b are integers from 0 to 16 and satisfy the relationship of 0≦a+b≦16. In Formula (II), G
1
to G
4
and Q
1
to Q
4
each independently represent a carbon atom or a nitrogen atom, and A
1
to A
4
each independently represent a group of atoms necessary for forming an aromatic ring or heterocycle with the respective G
1
to G
4
and Q
1
to Q
4
. Here, at least one ring among the four rings to be formed is a heterocycle. Each aromatic ring or heterocycle may have a substituent; M
2
represents a hydrogen atom, a metal element or the like.
本发明提供了一种混合晶体,其吸收性能在作为蓝色颜料的颜色再现性方面表现出色,并包括由以下式(I)表示的化合物和由以下式(II)表示的化合物以及包括所述混合晶体和介质的着色颜料分散组合物。在式(I)中,X表示—SO—Z,—SO2—Z,—SO2NR1R2,—SO3R1,—CONR1R2或—CO2R1;Z、R1和R2各自独立地表示烷基、芳基、杂环基或类似物;Y表示单价取代基;M1表示氢原子、金属元素或类似物;a和b是0到16的整数,并满足0≦a+b≦16的关系。在式(II)中,G1到G4和Q1到Q4各自独立地表示碳原子或氮原子,A1到A4各自独立地表示与各自的G1到G4和Q1到Q4形成芳香环或杂环所必需的原子团。在这里,要形成的四个环中至少有一个是杂环。每个芳香环或杂环可以具有取代基;M2表示氢原子、金属元素或类似物。