Synthesis and Liquid Crystal Properties of Isothiocyanate Tolane Compounds

PENG Zeng-hui; LIU Yong-gang; Yao Li-shuang; CAO Zhao-liang; MU Quan-quan; LU Xing-hai; HU

doi:10.3788/YJYXS20112604.0427

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Synthesis and Liquid Crystal Properties of Isothiocyanate Tolane Compounds

Material Physics & Chemistry | 更新时间：2020-08-12

- Synthesis and Liquid Crystal Properties of Isothiocyanate Tolane Compounds
- Chinese Journal of Liquid Crystals and Displays Vol. 26, Issue 4, Pages: 427-431(2011)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所应用光学国家重点实验室,吉林长春 130033
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20112604.0427
  CLC： O753+.2
- Received：10 March 2011，
  
  Revised：30 March 2011，
  
  Published Online：20 August 2011，
  
  Published：20 August 2011
- 稿件说明：
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彭增辉, 刘永刚, 姚丽双, 曹召良, 穆全全, 鲁兴海, 胡立发, 宣丽. 二苯乙炔基异硫氰酸酯的合成与液晶性质研究[J]. 液晶与显示, 2011,26(4): 427-431

PENG Zeng-hui, LIU Yong-gang, Yao Li-shuang, CAO Zhao-liang, MU Quan-quan, LU Xing-hai, HU Li-fa, XUAN Li. Synthesis and Liquid Crystal Properties of Isothiocyanate Tolane Compounds[J]. , 2011,26(4): 427-431
彭增辉, 刘永刚, 姚丽双, 曹召良, 穆全全, 鲁兴海, 胡立发, 宣丽. 二苯乙炔基异硫氰酸酯的合成与液晶性质研究[J]. 液晶与显示, 2011,26(4): 427-431 DOI： 10.3788/YJYXS20112604.0427.

PENG Zeng-hui, LIU Yong-gang, Yao Li-shuang, CAO Zhao-liang, MU Quan-quan, LU Xing-hai, HU Li-fa, XUAN Li. Synthesis and Liquid Crystal Properties of Isothiocyanate Tolane Compounds[J]. , 2011,26(4): 427-431 DOI： 10.3788/YJYXS20112604.0427.

摘要

通过先偶联后还原的方法合成了3种具有氟取代的二苯乙炔基异硫氰酸酯化合物。液晶性质测试表明

这些材料均具有较高的

值

且随着分子中电子共轭长度增加而变大

最大可达0.576。将这些高

液晶化合物溶于商品炔类液晶材料

可提高其响应速度;其中苯基二苯乙炔基异硫氰酸酯对器件响应性能的提升幅度最大。实验结果表明

二苯乙炔基异硫氰酸酯是一种具有高

、低旋转黏度的快速液晶材料

在液晶空间光调制器件中具有一定的应用价值。

Abstract

Three types of LC materials with isothiocyanate tolane group were prepared via couple and electronation reaction. These LCs exhibit a high birefringence

and the

increased with conjugation length of -electron

the maximal value among these LCs was 0.576. When these LCs were mixed in the commercial alkyne LCs respectively

the response performance of the device could be improved. These data demonstrates that the isothiocyanate tolane LCs have high

and low rotational viscosity

which can be used in the device of LC spatial modulator.

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references

高鸿锦,董友梅. 液晶与平板显示技术 [M]. 第一版.北京:北京邮电大学出版社,2007.[2] Mu Q Q,Cao Z L, Peng Z H, et al. Modal interaction matrix measurement for liquid-crystal corrector: precision evaluation[J]. Optics Express, 2009, 17(11):9330-9336.[3] 彭增辉,刘永刚,曹召良, 等. 含氟双环NCS液晶的合成与性质研究[J]. 液晶与显示 , 2010,25(5):622-625.[4] Catanescu C, Wu S, Chien L. Tailoring the physical properties of some high birefringence isothiocyanato-based liquid crystals[J]. Liquid Crystals, 2004, 31(4):541-555.[5] Sabourin E T, Onopchenko A. A convenient synthesis of 4-ethynylphthalic anhydride via 2-methyl-butynn-2-ol[J]. J. Org. Chem., 1983, 48(25): 5135-5137.[6] 杜晓华,许响生,傅幼锋, 等. 非硫光气法合成一些难合成的芳基异硫氰酸酯[J]. 农药, 2004,43(2):78-79.[7] 彭增辉,张然,刘永刚, 等. 双环NCS液晶的合成与性质研究[J]. 液晶与显示, 2009,24(5):630-634.[8] Dunmur D, Fukuda A, Luckhurst G. Physical Properties of Liquid Crystals: Nematics[M]. London:the Institution of Electrical Engineers, 2001.[9] Chinchilla R, Najera C. The Sonogashira reaction: a booming methodology in synthetic organic chemistry[J]. Chem. Rev., 2007, 107:874-922.

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Related Institution

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