POLYMERIZABLE LIQUID CRYSTAL COMPOUNDS, POLYMERIZABLE LIQUID CRYSTAL COMPOSITIONS, LIQUID CRYSTAL POLYMERS AND OPTICALLY ANISOTROPIC MATERIALS
申请人:Zeon Corporation
公开号:EP2295477A1
公开(公告)日:2011-03-16
A polymerizable liquid crystal compound shown by the following formula, a polymerizable liquid crystal composition that includes the polymerizable liquid crystal compound and a chiral compound polymerizable with the polymerizable liquid crystal compound, a liquid crystalline polymer obtained by polymerizing the polymerizable liquid crystal compound or the polymerizable liquid crystal composition, and an optically anisotropic article that includes the liquid crystalline polymer, are disclosed.
wherein Y1 to Y6 represent -O-C(=O)- or the like, G1 and G2 represent a divalent aliphatic group having 1 to 20 carbon atoms or the like, Z1 and Z2 represent an alkenyl group having 2 to 10 carbon atoms or the like, A1 and A2 represent a divalent organic group having 1 to 30 carbon atoms, M1 and M2 represent a substituted or unsubstituted 2,6-naphthylene group or a substituted or unsubstituted 1,4-phenylene group, provided that at least one of M1 and M2 represents a substituted or unsubstituted 2,6-naphthylene group, L1 and L2 represent a hydrogen atom or the like, and a and b are 0 or 1. A polymerizable liquid crystal compound that shows a liquid crystal phase over a wide temperature range, is chemically stable, can be produced inexpensively, and has a wide selective reflection wavelength band Δλ (i.e., a large value Δn); a polymerizable liquid crystal composition that includes the compound; a liquid crystalline polymer; and a optically anisotropic article that includes the liquid crystalline polymer as a constituting material; can be provided.
本发明公开了一种如下式所示的可聚合液晶化合物、一种包含该可聚合液晶化合物和一种可与该可聚合液晶化合物聚合的手性化合物的可聚合液晶组合物、一种通过聚合该可聚合液晶化合物或该可聚合液晶组合物而获得的液晶聚合物,以及一种包含该液晶聚合物的光学各向异性物品。
其中 Y1 至 Y6 代表 -O-C(=O)- 或类似物,G1 和 G2 代表具有 1 至 20 个碳原子或类似物的二价脂肪族基团,Z1 和 Z2 代表具有 2 至 10 个碳原子或类似物的烯基,A1 和 A2 代表具有 1 至 30 个碳原子的二价有机基团、M1 和 M2 代表取代或未取代的 2,6-萘基或取代或未取代的 1,4-亚苯基,条件是 M1 和 M2 中至少有一个代表取代或未取代的 2,6-萘基,L1 和 L2 代表氢原子或类似物,a 和 b 为 0 或 1。可以提供一种可聚合液晶化合物,该化合物在很宽的温度范围内显示液晶相,化学性质稳定,生产成本低廉,并具有很宽的选择性反射波长带Δλ(即较大的值Δn);一种可聚合液晶组合物,该组合物包括该化合物;一种液晶聚合物;以及一种光学各向异性物品,该物品包括作为构成材料的液晶聚合物。