| MOLECULAR FIELD THEORY FOR NEMATIC LIQUID CRYSTAL POLYMER COMPRISING FLEXIBLE SPACER |
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| 作者姓名： | 王晓工 刘德山 周其庠 |
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| 作者单位： | Department of Chemical Engineering，Tsinghua University，Beijing，100084，Department of Chemical Engineering，Tsinghua University，Beijing，100084，Department of Chemical Engineering，Tsinghua University，Beijing，100084 |
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| 摘 要： | Basea on the new model and concept of mtramolecular orientational order parameter, a molecular field theory was built up for main chain liquid crystalline polymer (MC-LCPs) with flexible spacers. The theory takes account of orientational correlation among all mesogens in a polymer chain and the relationship between the intramolecular orientation and spatial orientation of the mesogens. The free energy, temperature and entropy of the nematic-isotropic transition were determined with the theory and compared with experiments in current work. It was found that many unique transition properties of the MC-LCPs comprising flexible spacer are correctly predicted by the theory and the agreement of the theory with the experiments is impressive.
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| 收稿时间： | 1992-05-15 |
MOLECULAR FIELD THEORY FOR NEMATIC LIQUID CRYSTAL POLYMER COMPRISING FLEXIBLE SPACER |
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| WANG Xiaogong,LIU Deshan,ZHOU Qixiang.MOLECULAR FIELD THEORY FOR NEMATIC LIQUID CRYSTAL POLYMER COMPRISING FLEXIBLE SPACER[J].Chinese Journal of Polymer Science,1993,0(4):316-326. |
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| Authors: | WANG Xiaogong LIU Deshan ZHOU Qixiang |
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| Institution: | Department of Chemical Engineering; Tsinghua University; Beijing |
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| Abstract: | Basea on the new model and concept of mtramolecular orientational order parameter, a molecular field theory was built up for main chain liquid crystalline polymer (MC-LCPs) with flexible spacers. The theory takes account of orientational correlation among all mesogens in a polymer chain and the relationship between the intramolecular orientation and spatial orientation of the mesogens. The free energy, temperature and entropy of the nematic-isotropic transition were determined with the theory and compared with experiments in current work. It was found that many unique transition properties of the MC-LCPs comprising flexible spacer are correctly predicted by the theory and the agreement of the theory with the experiments is impressive. |
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| Keywords: | New molecular held theory Nematic Irquid crystal polymer Flexible spacer |
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