欢迎登录材料期刊网

材料期刊网

高级检索

以环戊基环己酮和手性联萘二酚为基础原料经过还原、取代等一系列反应制备了一种新型高HTP值液晶用手性添加剂.其具有较大的HTP值以及良好的光稳定性和化学稳定性.此外,还具备TFT液晶显示用手性添加剂的一些其他要求,如较高的电压保持率,与主体液晶材料良好的相溶性,不易被吸附剂(硅胶或氧化铝)所吸附,螺距P有小的温度相依性等.特别是其HTP值达到了101 μm-1,与其他手性剂相比,用量会更少,可以大大降低其对混晶品质的影响,并且其合成方法简单,中间体及终产物易于纯化,使其在高端TFT混晶中的应用成为可能.

参考文献

[1] Friedel G.Themesomorphic states of matter[J].Ann.Phys.,1922,18:273-474.
[2] Stegemeyer H,Mainusch K J.Optical rotatory power of liquidcrystal mixtures[J].Chem.Phys.Lett.,1970,6(1):5-6.
[3] 杜琼,游红军,汪晓燕,等.弯曲型向列相液晶研究进展[J].液晶与显示,2011,26(6):719-726.Du Q,You H J,Wang X Y,et al.Progress of bent-core nematic liquid crystals[J].Chinese Journal of Liquid Crystals and Displays,2011,26(6):719-726.(in Chinese)
[4] Gray G W,Mcdonnell D W.Optically active cynobiphenyl compounds and liquid crystal materials anddevices containing them:英国专利,GB1556994[P].1979-12-05.
[5] Finkenzeller U,Plach H J.Performanceof chiral dopants innematic mixtures[J].Mol.Cryst.Liq.Cryst.Lett.,1988,6 (3):87-93.
[6] 原小涛,曹晖,杨州,等.一种手征向列相液晶的螺旋行为研究[J].液晶与显示,2008,23(4):404-408.Yuan X T,Cao H,Yang Z,et al.Helical twisting behavior of chiral nematic mesophase[J].Chinese Journal of Liquid Crystals and Displays,2008,23 (4):404-408.(in Chinese)
[7] 左飞龙,吴奕环,时志强,等.基于分子间氢键的棒状手性液晶的研究进展[J].液晶与显示,2012,27(4):456-465.Zuo F L,Wu Y H,Shi Z Q,et al.Progress of rod-like chiral supramolecular liquid crystals based on intermolecular hydrogen bonding[J].Chinese Journal of Liquid Crystals and Displays,2012,27(4):456-465.(in Chinese)
[8] 张天翼,许军,董佳垚,等.胆甾型液晶显示技术和产业发展[J].液晶与显示,2011,26(6):741-745.Zhang T Y,Xu J,Dong J Y,et al.Overview of technology and industry for cholesteric liquid crystal display[J].Chinese Journal of Liquid Crystals and Displays,2011,26(6):741-745.(in Chinese)
[9] 高红茹,丰景义,乔云霞,等.胆甾相液晶光谱带宽与手性掺加剂的关系[J].现代显示,2013,24(3):32-35.Gao H R,Feng J Y,Qiao Y X,et al.The relation between the spectrum bandwidth of the cholesteric LC and the chiral dopant[J].Advanced Display,2013,24(3):32-35.(in Chinese)
[10] 帕里,诺兰,法兰德,等.含有手性掺杂剂的液晶显示器:中国,CN1420382[P].2003-05-28.
[11] Motoyama H,Mine T.Opticlly active compoundand liquidcrystal composition comprise the same:日本专利,JP2004250341[P].2004-09-09.
[12] Peer K,Andreas T,Detlef P,et al.Chiral binaphthol derivatives:德国专利,WO0234739[P].2005-05-02.
[13] Yuki M,Masahiro J.Optically actively compound andliquidcrystal composition containing them:欧洲专利,EP1375627[P].2004-01-02.
[14] Yasumasa N,Hironori M.Chiral additive and liquid crystal composition containing the same:日本专利,JP2003105338[P].2003-04-09.
[15] Takeshita,Fusayuki.Aliquidcrystal composition:欧洲专利:EP 0609566[P].1994-08-10.
[16] Detlef P.Chiral 2,6-difluorobenzene derivatives:德国专利,DE4322905[P].1994-01-27.
[17] Reiffenrath V,Georg W.Dopants:美国专利,US6056893[P].2000-05-02.
[18] Sadao T,Haruyoshi T,Shinji O.Optically active compound:日本专利,JP08259483[P].1995-10-08.
[19] Sadao T,Haruyoshi T,Tamejirou H.Sterol derivative:日本专利,JP11152297[P].1999-06-08.
[20] Yuki M,Takakiyo M,Masahiro J.Opticlly active compoundand liquidcrystal compositioncontaining the compound:美国专利,US2004164273[P].2004-08-26.
[21] 员国良,葛强,崔红梅,等.反-4-(烷氧基环己基)苯氰液晶化合物的合成[J].河北师范大学学报:自然科学版,2010,5(34):572-574.Yun G L,Ge Q,Cui H M,et al.Synthesis of trans-4-(alkoxy-cyclohexyl) benzene cyanide liquid crystal compounds[J].Journal of Hebei Normal University:Natural Science Edition,2010,5(34):572-574.(in Chinese)
[22] 孙睿鹏,黄锡珉,马凯,等.STN液晶螺距的测试[J].长春光学精密机械学院学报,1993,16(1):5-10.Sun R P,Huang X M,Ma K,et al.Measurement of Helical Pitch in Stn Liquid Crystais[J].Journal of Changchun Institute of Optics and Fine Mechanics,1993,16 (1):5-10.(in Chinese)
[23] 李辉,杜渭松,李建,等.芳环上氟原子对手性液晶分子扭曲力的影响[J].液晶与显示,2011,26(1):5-8.Li H,Du W S,Li J,et al.Influence of fluorine atom attached to aromatic ring on heliex twisting power of chiral liqiud crystals[J].Chinese Journal of Liquid Crystals and Displays,2011,26 (1):5-8.(in Chinese)
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%