Azo compound and dye polarizing film containing the same

Details Azo compound and dye polarizing film containing the same Azo compound and dye polarizing film containing the same

C - Chemistry, Metallurgy

09

B

C09B 31/20 (2006.01) C09B 31/072 (2006.01) C09B 45/28 (2006.01) G02B 5/30 (2006.01)

Patent

CA 2654868

Disclosed is an azo compound represented by the formula (1) or (2) below, or a salt thereof. (1) (2) (In the formulae, A represents a substituted phenyl group or a naphthyl group having 1-3 sulfonic acid groups; X represents -N=N- or -NHCO-; R1-R4 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxyl group; m represents a number of 1-3; and n represents 0 or 1.)

La présente invention concerne un composé azo représenté par la formule (1) ou (2) ci-dessous, ou un sel de celui-ci. (1) (2) (Dans ces formules, A représente un groupe phényle substitué ou un groupe naphtyle présentant 1 à 3 groupes d'acides sulfoniques ; X représente -N=N- ou -NHCO- ; R1-R4 représentent indépendamment un atome d'hydrogène, un groupe alkyle inférieur ou un groupe alkoxyle inférieur ; m représente un nombre allant de 1 à 3 ; et n représente 0 ou 1.)

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