4′- (5-溴代戊氧基) -4-甲氧基联苯的合成及其液晶性能研究
首发时间:2006-06-26
摘要:本文合成了4′- (5-溴代戊氧基) -4-甲氧基联苯,讨论了合成条件对产率的影响。红外光谱和核磁共振表征了产物的结构。差示扫描量热(DSC)显示产物的熔点88℃,清亮点172℃。热台偏光显微镜观察到产物液晶态镶嵌织构,X射线衍射表明产物呈现近晶SE相。
关键词: 4′- (5-溴代戊氧基) -4-甲氧基联苯 液晶中间体
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Synthesis and Liquid Crystalline Properties of 4′- (5-Bromopentyloxy) -4-methoxybiphenyl
Abstract:The synthesis and liquid crystalline behavior of 4′- (5-Bromopentyloxy) -4-methoxybiphenyl were described. The product structure was characterized by FTIR and 1HNMR. Differential Scanning Calorimetry(DSC) showed that the melting point and the clearing temperature of the product were 88℃ and 172℃, respectively. Polarizing Optical Microscopy(POM) observation exhibited mosaic texture and the X-ray diffraction measurement revealed therrnotropic smectic E phase of the product .
Keywords: 4′- (5-Bromopentyloxy) -4-methoxybiphenyl liquid crystal intermediate
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4′- (5-溴代戊氧基) -4-甲氧基联苯的合成及其液晶性能研究
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