Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or salt
申请人:Sadamitsu Yuichi
公开号:US20090126127A1
公开(公告)日:2009-05-21
Disclosed is an azo compound represented by the general formula (1) or a salt thereof:
wherein R1 and R2 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxy group; and n represents 1 or 2. Also disclosed are a dye-containing polarizing film and a dye-containing polarizing plate, each of which comprises a polarizing film base material and the azo compound contained in the base material.