Azo Compound And Salts Thereof, As Well As Dye-Based Polarization Films And Polarizing Plates Comprising The Same
申请人:Nishiguchi Takuto
公开号:US20110164208A1
公开(公告)日:2011-07-07
Azo compounds represented by formula (1) (In the formula, R
1
represents a lower alkoxy group with a sulfone group. R
2
-R
5
each independently represents a hydrogen atom, lower alkyl group or lower alkoxy group. X is an optionally substituted amino group, optionally substituted benzoylamino group, optionally substituted phenylamino group, optionally substituted phenyl azo group or optionally substituted naphthotriazole group. m represents 1 or 2 and n represents 0 or 1.) and salts thereof.