二胺苯化合物、聚合物、配向膜用组成物、配向膜以及液晶显示元件;BENZENE DIAMINE, POLYMER, COMPOSITION FOR ALIGNMENT FILM, ALIGNMENT FILM, AND LIQUID CRYSTAL DISPLAY DEVICE

摘要

一种二胺苯化合物，如式1所示：H2N-Ar-NH2式1，其中Ar如式2所示：其中*为式2表示的基团与式1的两个-NH2键结的位置；R1各自独立，为氢原子或为一级胺基以外的一价取代基； X1为包括或的二价连结基团； R2为包括苯环或环己烷环的二价连结基团，其中苯环或环己烷环的氢可独立地经C1-C3烷基、F、Cl、-OH或-CN取代；X2与X3分别为C1-C3直链伸烷基；且R3为包括苯环或环己烷环的一价取代基，其中苯环或环己烷的氢可独立地经C1-C3烷基、F、Cl、-OH或-CN取代。; R1is independently a hydrogen atom or a monovalent substituent other than a primary amino group; X1is a divalent linking group includingor; R2is a divalent linking group including a benzene ring or a cyclohexane ring, wherein a hydrogen atom of the benzene ring or the cyclohexane ring may be independently substituted by a C1-C3alkyl group, F, Cl, -OH, or -CN; X2and X3are respectively a C1-C3linear alkylene group; R3is a monovalent substituent including a benzene ring or a cyclohexane ring, wherein a hydrogen atom of the benzene ring or the cyclohexane ring may be independently substituted by a C1-C3alkyl group, F, Cl, -OH, or -CN.