申请人:Nissan Chemical Industries, Ltd.
公开号:EP2557102A1
公开(公告)日:2013-02-13
There is provided a material that exhibits high solvent resistance after the formation of a cured film, excellent photo-alignment capability relative to a polymerizable liquid crystal, satisfactory heat resistance, and high transparency and moreover, that can be dissolved in a glycol-based solvent, a ketone-based solvent, or a lactic acid ester-based solvent that is applicable to the production of an overcoating of a color filter, during the formation of the cured film. A composition for forming thermoset film having photo-alignment properties, comprising: a component (A) that is a compound having a photo-aligning group and a hydroxy group; and a component (B) that is a silicon isocyanate compound. A liquid crystal alignment layer formed from the thermoset film forming composition, and an optical device with a retardation layer obtained by use of the thermoset film forming composition.
本发明提供了一种材料,该材料在形成固化膜后具有较高的耐溶剂性,与可聚合液晶相比具有优异的光对准能力,耐热性令人满意,透明度高,而且在形成固化膜期间可溶解在乙二醇基溶剂、酮基溶剂或乳酸酯基溶剂中,适用于生产彩色滤光片的外涂层。一种用于形成具有光对准特性的热固性薄膜的组合物,包括:组分(A),即具有光对准基团和羟基的化合物;以及组分(B),即硅异氰酸酯化合物。由该热固性成膜组合物形成的液晶配向层,以及通过使用该热固性成膜组合物而获得的具有延缓层的光学器件。