| 热致液晶规则芳-脂族聚酯酰胺的结构与液晶性能 |
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| 引用本文： | 傅清红,刘德山,周其庠.热致液晶规则芳-脂族聚酯酰胺的结构与液晶性能[J].清华大学学报(自然科学版),1991(3). |
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| 作者姓名： | 傅清红 刘德山 周其庠 |
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| 作者单位： | 化学工程系
(傅清红，刘德山)，化学工程系(周其庠) |
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| 摘 要： | 利用热台偏光显微镜、示差扫描量热法（ＤＳＣ）和Ｘ光衍射分析研究了规则芳－脂族聚酯酸胺的结构，包括分子量、介晶单元的空间构型、介晶单元长度，芳环取代基、扭曲结构单元、酯键与酰胺键的比例和柔性间隔基的长度等对其热致液晶性能的影响。
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| 关 键 词： | 规则芳-脂族聚酯酰胺 热致液晶 链结构 液晶性能 空间构型 |
Structure and Liquid Crystalline Properties of Thermotropic Liquid Crystalline Polyesteramides with Regular Aromatic-Aliphatic Chain Structure |
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| Fu Qinghong, Liu Deshan, Zhou Qixiang.Structure and Liquid Crystalline Properties of Thermotropic Liquid Crystalline Polyesteramides with Regular Aromatic-Aliphatic Chain Structure[J].Journal of Tsinghua University(Science and Technology),1991(3). |
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| Authors: | Fu Qinghong Liu Deshan Zhou Qixiang |
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| Institution: | Department of Chemical Engineering |
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| Abstract: | In this paper, the effects of the conformation of mesomorphic units, the length of mesomorphic units, molecular weight of polyesteramides, substituent on aromatic rings of mesomorphic units, the ratio of ester and amide bond in polyesteramide chain and the number of -CH2- of flexible spacers on the liquid crystalline properties of regular aromaticaliphatic polyesteramides prepared were studied by polarizing microscope, DSC and X-ray diffraction. The results show that the conformation of mesomorphic units was the most important factor of thermotropic liquid crystals for these regular aromatic-aliphatic polyesteramides prepared. |
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| Keywords: | regular aromatic-aromatic-aliphatic polyesteramides thermotropic liquid crystal chain structure conformation liquid crystalline property |
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