COMPOUND, CURED PRODUCT, POLYMER, PHOTO-ALIGNMENT FILM, OPTICALLY ANISOTROPIC BODY AND LIQUID CRYSTAL DISPLAY ELEMENT
申请人:DIC Corporation
公开号:US20180230385A1
公开(公告)日:2018-08-16
A compound and a polymer which can each form a photo-alignment film having excellent ability of controlling alignment, a photo-alignment film obtained using the polymer and an optically anisotropic body and a liquid crystal display element each having the photo-alignment film are provided. A compound represented by the general formula (1). In the formula, P represents a polymerizable group, Z and Z
1
represent divalent linking groups, A and A
1
represent divalent cyclic groups, and X
1
to X
5
each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a hydroxy group, a nitro group, a cyano group or an alkyl group having 1 to 40 carbon atoms which may have a substituent, provided that X
1
, X
2
, X
4
and X
5
are not simultaneously hydrogen atoms.
提供了一种可以形成具有优异控制取向能力的光对齐膜的化合物和聚合物,以及使用该聚合物获得的光对齐膜,以及具有该光对齐膜的光学各向异性体和液晶显示元件。公式(1)表示的一种化合物。在该公式中,P代表可聚合基团,Z和Z1代表二价连接基团,A和A1代表二价环状基团,X1至X5分别独立表示氢原子、氟原子、氯原子、羟基、硝基、氰基或具有1至40个碳原子的可能具有取代基的烷基基团,但要求X1、X2、X4和X5不同时为氢原子。