Azo Compound Or Salt Thereof, And Dye-Based Polarizing Film And Dye-Based Polarizing Plate Containing Same
申请人:Nippon Kayaku Kabushiki Kaisha
公开号:US20220010139A1
公开(公告)日:2022-01-13
An azo compound represented by the following formula (1) or a salt thereof, Wherein
A
1
represents a naphthyl group which may have a substituent;
A
2
, A
3
, and A
4
each independently represent a phenyl group which may have a substituent or a naphthyl group which may have a substituent;
R
1
represents a hydrogen atom, a hydroxy group, a C1-4 alkoxy group, or a substituted or unsubstituted amino group;
m represents an integer of 0 to 5;
M represents a hydrogen atom or ion, a metal ion, or an ammonium ion;
n represents 1 or 2;
k represents 0 or 1; and
each hydrogen atom on ring a and ring b may be substituted with the substituent R
1
or substituent SO
3
M.
以下为化学式(1)或其盐所代表的偶氮化合物,其中:
A1代表一个萘基,可以有取代基;
A2、A3和A4各自独立地代表一个苯基,可以有取代基,或者一个萘基,可以有取代基;
R1代表一个氢原子、一个羟基、一个C1-4烷氧基或一个取代或未取代的氨基;
m表示0到5的整数;
M代表一个氢原子或离子、一个金属离子或铵离子;
n表示1或2;
k表示0或1;
环a和环b上的每个氢原子可以用取代基R1或取代基SO3M取代。