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二氟亚甲氧基苯类液晶的合成与低温性能

邓萌萌1,王勇丽1,张智勇1*,刘运1,未本美1,宣丽2   

  1. (1.武汉工业学院化学与环境工程系 武汉 430023;2.中国科学院长春光学精密机械与物理研究所 长春 130033)
  • 收稿日期:2011-07-29 修回日期:2011-11-16 出版日期:2012-09-10 发布日期:2012-09-10
  • 通讯作者: ZHANG Zhiyong ; Tel:027-83943956; Fax:027-83946362; E-mail:zzy6211@126.com; Research Interests：Optoelectronic Materials Research
  • 基金资助:
    Sopported by the national natural science foundation of China(Grant 60736042) and the innovating foundation of graduate students of Wuhan polytechnic university（09cx019）

Synthesis and Low-temperature Viscosity Characters of Difluorometheneoxy-bridged Alkylbenzene Compounds

DENG Mengmeng1, WANG Yongli1, ZHANG Zhiyong1*, LIU Yun1, WEI Benmei1, XUAN Li2   

  1. (1.Department of Chemistry and Environmental Engineering,Wuhan Polytechnic University,Wuhan 430023,China；
    2.Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China)
  • Received:2011-07-29 Revised:2011-11-16 Published:2012-09-10 Online:2012-09-10

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被引次数

1

摘要： 合成了4个二氟亚甲氧基苯类液晶化合物，经过IR、1H NMR、13C NMR、19F NMR和MS谱图表明分子结构正确；并用动态流变仪测试分析了不同温度下的粘度，发现这些液晶不仅粘度低、对温度的依赖小，而且可以用作替代酯类的液晶溶剂。 如果用于液晶溶剂可以提高液晶器件的低温响应速度。

关键词: 二氟亚甲氧基烷基苯, 两环液晶化合物, 合成, 低温粘度, 温度依赖性

Abstract: Four double-ring difluorometheneoxy-bridged benzene compounds were synthesized and characterized by means of IR, 1H NMR, 13C NMR, 19F NMR and MS. Their viscosities at different temperatures were also measured and analyzed by using liquid dynamic rheometer. It was found that these compounds not only have super low viscosity and small temperature-dependent viscosity, but also can be used as the solvent of LC to replace ester components. They may be used as the LC solvent to improve the low-temperature response speed of LCD.

Key words: difluorometheneoxy-bridged alkylbenzenes, two-ring liquid crystal compounds, synthesis, low-temperature viscosity, temperature dependence

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