申请人:——
公开号:US20030078421A1
公开(公告)日:2003-04-24
An information recording medium showing a high light-resistance has a recording layer containing a dye compound having the following formula (I-1) or (I-2):
1
in which each of A
1
, A
2
, B
1
and B
2
is a substituent; each of Y
1
and Z
1
is a group of atoms required for forming a carbon ring or a heterocyclic ring; each of E and G is a group of atoms required for forming a conjugated double bond chain; X
1
is ═O, ═NR or ═C(CN)
2
, wherein R is a substituent; X
2
is —O, —NR or —C(CN) 2, wherein R is a substituent; each of L
1
, L
2
, L
3
, L
4
and L
5
is a methine group which may have a substituent; M
k+
is an onium ion containing a positively charged onium atom to which no hydrogen atom is attached; each of m and n is 0, 1 or 2; each of x and y is 0 or 1; and k is an integer of 1 to 10.
一种具有高抗光性的信息记录介质,其记录层含有下式(I-1)或(I-2)的染料化合物:
1
其中 A
1
, A
2
, B
1
和 B
2
是一个取代基;Y
1
和 Z
1
是形成碳环或杂环所需的原子组;E 和 G 各自是形成共轭双键链所需的原子组;X
1
是═O、═NR 或═C(CN)
2
其中 R 是取代基;X
2
是-O、-NR 或-C(CN) 2,其中 R 是取代基;L
1
, L
2
, L
3
, L
4
和 L
5
是一个可带有取代基的甲烷基团; M
k+
是一种鎓离子,含有一个不连接氢原子的带正电的鎓原子;m 和 n 各为 0、1 或 2;x 和 y 各为 0 或 1;k 为 1 至 10 的整数。