Azo compound and salt thereof, and dye-containing polarizing...

Details Azo compound and salt thereof, and dye-containing polarizing... Azo compound and salt thereof, and dye-containing polarizing...

C - Chemistry, Metallurgy

09

B

C09B 56/04 (2006.01) G02B 5/30 (2006.01) G03B 21/00 (2006.01)

Patent

CA 2652747

Disclosed is an azo compound represented by the general formula (1) or a salt thereof: (1) 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.

L'invention concerne un composé azo représenté par la formule générale (1), ou l'un de ses sels. Dans cette formule, R1 et R2 représentent indépendamment un atome d'hydrogène, un groupe alkyle inférieur ou un groupe alkoxy inférieur, et n vaut 1 ou 2. L'invention concerne également un film polarisant contenant un colorant et une plaque polarisante contenant un colorant, ledit film et ladite plaque comprenant un matériau de base de film polarisant et le composé azo, contenu par ledit matériau de base.

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