合成了4个二氟亚甲氧基苯类液晶化合物,经过IR、1 H 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.
参考文献
| [1] | Pauluth D,Tarumi K J.Advanced Liquid Crystals for Television[J].Mater Chem,2004,14:1219-1227. |
| [2] | Krisch P,Bremer M.Difluorooxymethylene Bridged Liquid Crystals:A Novel Synthesis Based on the Oxidative Alkoxydifluorodesulfuration of Dithianylium Salts[J].Angew Chem Int Ed,2000,39:4216-4235. |
| [3] | Peng Z H,Liu Y G,Yao L S,et al.Improvement of Response Performance of LC Optical Devices by Using a Low Viscosity Component[J].Chinese Phys Lett,2011,28(9):094207. |
| [4] | Kirsch P,Bremer M,Taugerbeck A,et al.Difluorooxymethylene-Bridged Liquid Crystals:A Novel Synthesis Based on the Oxidative Alkoxydifluorodesulfuration of Dithianylium Salts[J].Angew Chem Int Ed,2001,40:1480-1484. |
| [5] | LIU Yun,ZHANG Zhiyong,REN Zhandong,et al.Effect of Difluorooxymethylene Alkylbenzene on Properties of Low-temperature Viscosity[J].Chinese J Liq Cryst Displays,2010,25 (4):490-493 (in Chinese).刘运,张智勇,任占门,等.二氟亚甲氧基化合物对液晶低温黏度的影响[J].液晶与显示,2010,25(4):490-493. |
| [6] | Fukumura K,Sonoda H,Hayashi H,et al.Process for Producing α,α-Difluoro-cycloalkane Compound:US,6686509[P],2004. |
| [7] | Kirsch P,Pauluth T,Bremer M.Producing Liquid Crystals with CF2 O Bond:US,6787062[P],2004. |
| [8] | Kondo T,Sagou K,Matsui S,et al.Difluoromethyl Ether Derivative and Process for Producing the Same:US,0016906[P],2004. |
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：
-
10%
-
20%
-
30%
-
40%
-
50%