申请人:Fujita Takuya
公开号:US20190010331A1
公开(公告)日:2019-01-10
Organic colorant represented by General Formula (1) below:
where in the General Formula (1), R
1
and R
2
each independently represent C1-C20 alkyl group, C1-C20 alkenyl group, phenyl group, naphthyl group, or group represented by —(CH
2
)
n
—COO—R
3
, —(CH
2
)
n
—R
4
, —(CH
2
)
n
—CONH—R
5
, —CR
6
R
7
—COO—R
8
, or —(CH
2
)
n
—OCOCH
3
; R
3
represents hydrogen atom or C1-C2 alkyl group; R
4
represents hydroxy group, C1-C2 alkoxy group, C2-C5 alkenyloxy group, SO
3
Na group, OSO
3
Na group, phenyl group, phenylalkyl group, naphthyl group, or naphthylalkyl group; R
5
represents C1-C20 alkyl group, C1-C20 alkenyl group, or C1-C12 hydroxyalkyl group; R
6
represents hydrogen atom or methyl group; R
7
represents C1-C4 alkyl group; R
8
represents C1-C5 alkyl group; and n is integer of from 1 to 12.
以下是通式(1)所代表的有机染料:
在通式(1)中,R1和R2各自独立地代表C1-C20烷基,C1-C20烯基,苯基,萘基,或由—(CH2)n—COO—R3,—(CH2)n—R4,—(CH2)n—CONH—R5,—CR6R7—COO—R8或—(CH2)n—OCOCH3所代表的基团;R3代表氢原子或C1-C2烷基;R4代表羟基,C1-C2烷氧基,C2-C5烯氧基,SO3Na基团,OSO3Na基团,苯基,苯基烷基,萘基或萘基烷基;R5代表C1-C20烷基,C1-C20烯基或C1-C12羟基烷基;R6代表氢原子或甲基基团;R7代表C1-C4烷基;R8代表C1-C5烷基;n为1至12的整数。