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Synthesis and properties of lateral fluorinated three-ring diester liquid crystals containing cyano group
Author(s): 
Pages: 559-565
Year: Issue:  4
Journal: Chinese Journal of Liquid Crystals and Displays

Keyword:  liquid crystaldiesterfluorinatedcyano group;
Abstract: 以4-烷基苯甲酸、4-羟基苯甲醛及3-氟-4-氰基苯酚为原材料合成了4种侧向氟取代三环双酯氰基液晶化合物,通过核磁共振(NMR)、质谱(MS)、红外光谱(IR)等分析方法确定了其分子结构,并对上述化合物的相变温度、介电各向异性、光学各向异性进行了测试研究.结果表明,该类化合物在升温过程中均呈现向列相,且具有清亮点高、向列相范围宽、介电各向异性大、光学各向异性大的特点.
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