Polymerizable liquid crystal compound, liquid crystal polymer and applications thereof
申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP1342770A1
公开(公告)日:2003-09-10
A polymerizable liquid crystal compound represented by the formula (I):
wherein P1 and P2 independently represent a polymerizable group; A1, A2, L1 and L2 independently represent a divalent linking group constituted by a single bond, an oxygen atom, a sulfur atom, a carbonyl group, a sulfonyl group, a substituted or unsubstituted imino group, or a combination thereof; S1 and S2 independently represent a divalent linking group; Cy1 and Cy2 independently represent a cyclic group having 5 to 14 carbon atoms; and each of n1 and n2 represents an integer, the sum of n1 and n2 being 0 to 2, has excellent anisotropy in a refractive index and a wide transparent region and is resistant to cis-trans-isomerization by ultraviolet radiation. This polymerizable liquid crystal compound is used for preparing a liquid crystal polymer, which is suitable for an optical retardation film, an optically anisotropic element, a nonlinear optical device and an electro-optical device.
一种由式(I)表示的可聚合液晶化合物:
其中 P1 和 P2 独立地代表可聚合基团;A1、A2、L1 和 L2 独立地代表由单键、氧原子、硫原子、羰基、磺酰基、取代或未取代的亚氨基或其组合构成的二价连接基团;S1 和 S2 独立地代表二价连接基团;Cy1 和 Cy2 分别代表具有 5 至 14 个碳原子的环状基团;n1 和 n2 各代表一个整数,n1 和 n2 之和为 0 至 2。这种可聚合液晶化合物可用于制备液晶聚合物,它适用于光学延迟膜、光学各向异性元件、非线性光学设备和电子光学设备。