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Citation: DENG Mengmeng, WANG Yongli, ZHANG Zhiyong, LIU Yun, WEI Benmei, XUAN Li. Synthesis and Low-temperature Viscosity Characters of Difluorometheneoxy-bridged Alkylbenzene Compounds[J]. Chinese Journal of Applied Chemistry, ;2012, 29(9): 1093-1095. doi: 10.3724/SP.J.1095.2012.00338 shu

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

1.
a Department of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China;
2.
b Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Corresponding author: ZHANG Zhiyong,
Received Date: 29 July 2011
Available Online: 16 November 2011

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.
- difluorometheneoxy-bridged alkylbenzenes,
- two-ring liquid crystal compounds,
- synthesis,
- low-temperature viscosity,
- temperature dependence
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