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    • 5. 发明公开
    • 액정배향막용 광배향재
    • 液晶对准膜的光对照材料
    • KR1020030012331A
    • 2003-02-12
    • KR1020010046314
    • 2001-07-31
    • 삼성전자주식회사
    • 최환재김종래이은경김주영
    • C08F122/40
    • C09K19/56C07D207/40
    • PURPOSE: Provided is a photo-alignment material for a liquid crystal alignment film, which has improved electrical properties and photo-alignment properties and can control pretilt angle freely. CONSTITUTION: The photo-alignment material comprises a repeating unit represented by the formula 1 and at least one repeating unit selected from the repeating units represented by the formula 8 or comprises the repeating unit represented by the formula 1, at least one repeating unit selected from the repeating units represented by the formula 2, and at least one repeating unit selected from the repeating units represented by the formula 8, wherein more than 20% of the repeating units contains at least one functional group selected from photosensitive functional groups represented by the formula 5. In the formula 1 and 2, X is hydrogen, C1-C14 linear or branched alkyl, fluorine, or chlorine, Y is oxygen or C2-C14 alkylene, and R is represented by the formula 3: -(R1)k-(R2)l-(R3). In the formula 8, n is an integer of 0-12.
    • 目的:提供一种用于液晶取向膜的光取向材料,其具有改善的电性能和光取向性能并且可以自由地控制预倾角。 构成:光取向材料包括由式1表示的重复单元和选自由式8表示的重复单元的至少一个重复单元或包含由式1表示的重复单元,至少一个选自 由式2表示的重复单元和选自由式8表示的重复单元的至少一种重复单元,其中多于20%的重复单元含有至少一个选自由式 在式1和2中,X是氢,C 1 -C 14直链或支链烷基,氟或氯,Y是氧或C 2 -C 14亚烷基,R由式3表示: - (R 1) (R 2)1-(R3)。 在式8中,n为0〜12的整数。