Azo-metal complex dye and method for producing the same and its use for a high density optical disc recording medium
申请人:Industrial Technology Research Institute
公开号:US20020091241A1
公开(公告)日:2002-07-11
This invention provides azo-metal complex dyes for a high-density optical disc recording medium having the following formula (I):
1
wherein R
1
reprents C
1-8
alkoxyl, carboxy, C
1-8
alkoxycarbonyl, or amide; R
2
, R
3
, R
4
and R
5
can be the same or not, which are hydrogen, C
1-8
alkyl, C
1-8
alkoxyl, carboxy, C
1-8
alkoxycarbonyl; C
1-6
alkylaminealkylenecarboxy, amide, nitro, trifluoro-methyl, sulfonic acid fluoride group, sulfonic acid group or halogen atom; X reprents carbon or nitrogen atom; and M reprents Mg
+2
, Mn
+2
, Co
+2
, Ni
+2
, Cu
+2
or Zn
+2
, These azo-metal complex dyes whose spectra are capable of matching wavelength of 400 nm˜700 nm visible light can be used as a high-density optical disc recording medium.
本发明提供了用于高密度光盘记录介质的偶氮金属络合染料,其式如下(I):
1
其中 R
1
代表 C
1-8
烷氧基、羧基、C
1-8
烷氧羰基或酰胺;R
2
, R
3
, R
4
和 R
5
可以相同,也可以不相同,它们是氢、C
1-8
烷基、C
1-8
烷氧基、羧基、C
1-8
烷氧羰基;C
1-6
烷基胺烷基羧基、酰胺、硝基、三氟甲基、磺酸氟化基、磺酸基或卤素原子;X 代表碳原子或氮原子;M 代表镁。
+2
、锰
加;2
钴
加;2
镍
加;2
铜
加;2
或 Zn
+2
这些偶氮金属络合染料的光谱能与波长为 400 nm ˜700 nm 的可见光相匹配,可用作高密度光盘记录介质。