COLORING MATTER FOR ANISOTROPIC COLORING MATTER FILM, COMPOSITION COMPRISING SAID COLORING MATTER, ANISOTROPIC COLORING MATTER FILM, AND POLARIZING ELEMENT
申请人:Mitsubishi Chemical Corporation
公开号:EP1867684A1
公开(公告)日:2007-12-19
It is to provide a dye for an anisotropic dye film to be formed by a wet system film-forming method, which is achromatic and has high dichroism and a high degree of molecular orientation, an anisotropic dye film containing the dye and a polarizing element employing the film.
A dye for an anisotropic dye film to be formed by a wet system film-forming method, of which the free acid form is represented by the following formula (I), a composition for an anisotropic dye film containing the dye, an anisotropic dye film and a polarizing element employing the anisotropic dye film:
wherein A11: a (substituted) phenyl group, a (substituted) naphthyl group or a (substituted) aromatic heterocyclic group;
B11: a bivalent aromatic hydrocarbon group or aromatic hydrocyclic group;
R11, R22: H, OH, a (substituted) alkyl group, a (substituted) phenyl group or a (substituted) acyl group;
n': 1 or 2; m: 0 or 1.
本发明旨在提供一种用于通过湿法成膜系统形成的各向异性染料膜的染料,该染料为消色差染料,具有高二色性和高分子取向性;一种含有该染料的各向异性染料膜;以及一种采用该薄膜的偏振元件。
一种用于通过湿法成膜工艺形成的各向异性染料膜的染料,其游离酸形式由下式(I)表示;一种含有该染料的各向异性染料膜的组合物;一种各向异性染料膜和一种使用该各向异性染料膜的偏光元件:
其中 A11:(取代的)苯基、(取代的)萘基或(取代的)芳香杂环基;
B11:二价芳香烃基团或芳香烃环基团;
R11、R22:H、OH、(取代的)烷基、(取代的)苯基或(取代的)酰基;
n':1或2;m:0或1。