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    • 6. 发明公开
    • 염료계 편광필름
    • 基于DYE的极化膜
    • KR1020070113119A
    • 2007-11-28
    • KR1020070048459
    • 2007-05-18
    • 스미또모 가가꾸 가부시끼가이샤
    • 아시다도루
    • C09B33/00G02B5/30
    • C09K19/601C09B45/28C09B67/0055G02B5/3033Y10T428/1041
    • A polarizing film is provided to exhibit a low orthogonal transmittance characteristic in the wavelength of 550-700 nm and have excellent light resistance. A polarizing film includes a dichromatic dye comprising a polyazo compound of the following formula (I) and an azo compound of the following formula (II). In the formulae, X represents a naphthyl group having 1-3 sulfo groups, and X has at least one group selected from the group consisting of C1-6 alkyl groups and C1-6 alkoxy groups, Y represents a phenyl group having 1-2 sulfo groups or a naphthyl group having 1-3 sulfo groups, and Y has at least one group selected from the group consisting of C1-6 alkyl groups and C1-6 alkoxy groups, each of R1, R2, and R4 independently represents a hydrogen atom, C1-6 alkyl group, or C1-6 alkoxy group, R3 represents an amino group or hydroxyl group, and each of Q1 and Q2 independently represents a hydrogen atom, alkali metal, organic amine, or ammonium.
    • 提供偏振膜以在550-700nm的波长下表现出低的正交透射特性,并且具有优异的耐光性。 偏振膜包括包含下式(I)的多偶氮化合物和下式(II)的偶氮化合物的二色染料。 在该式中,X表示具有1-3个磺基的萘基,X表示选自C 1-6烷基和C 1-6烷氧基中的至少一个基团,Y表示具有1-2个 磺基或具有1-3个磺基的萘基,Y具有至少一个选自C 1-6烷基和C 1-6烷氧基的基团,R 1,R 2和R 4各自独立地表示氢 原子,C 1-6烷基或C 1-6烷氧基,R 3表示氨基或羟基,Q1和Q2各自独立地表示氢原子,碱金属,有机胺或铵。