申请人:FUJIFILM Corporation
公开号:US20200354576A1
公开(公告)日:2020-11-12
Provided are a dyeing composition which contains an azo coloring agent represented by Formula 1 or 2, a dyed product which is obtained by being dyed with the dyeing composition, and a novel azo coloring agent. In Formulae 1 and 2, C
1
represents a heteroaromatic group, A
1
and B
1
each independently represent a heteroaromatic group, an aromatic group, or a group having a methine structure, and at least one of A
1
or B
1
represents a heteroaromatic group, D
1
represents an anthraquinonyl group, and E
1
represents a heteroaromatic group, an aromatic group, or a group having a methine structure.
A
1
-N═N—C
1
—N═N—B
1
Formula 1
D
1
-N═N-E
1
Formula 2
提供了一种染料组合物,其中包含由式1或2表示的偶氮着色剂,用该染料组合物染色后获得的染色产品,以及一种新型偶氮着色剂。在式1和2中,C1代表杂芳族基,A1和B1各自独立地表示杂芳族基、芳香族基或具有亚甲基结构的基团,且A1或B1中至少一个代表杂芳族基,D1代表蒽醌基,E1代表杂芳族基、芳香族基或具有亚甲基结构的基团。A1-N═N—C1—N═N—B1(式1),D1-N═N-E1(式2)。