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半刚性链分子的统计热力学(Ⅱ)

Statistical Thermodeynamics of Semi-rigid Chain Modecules (Ⅱ)

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【作者】 于义松王井岗焦扬声李世瑨

【Author】 Yu Yisong;Wang Jingang;Jiao Yangsheng;Li Shijin Depatment of Materials Science, Fudan University Department of Polymer Materials Science, The East China Institute of Chemical Technology

【机构】 复旦大学材料科学系华东化工学院高分子材料系华东化工学院高分子材料系

【摘要】 在前一篇文章中,我们用柔性连接点联系的刚棒模型代表半刚性链,建立了极小浓度方程。只有当体系浓度高于极小浓度时,才能得到稳定的各向异性相。本文根据前文的结果,分析了各种因素对液晶态稳定性的影响以及对各向同性—各向异性两相平衡的影响。

【Abstract】 A general expression of the minmum concentration required for stableanisotropity was derived in preceding paper. The minimum concebtration is the func-tion of axtio and characteric stiffness of chain and temperature. In this paper, these fac-tors are discussed thoretically. Separation into an isotropic phase and somewhat moreconcentrated anisotropic phase arises as V2>V2?. The concentration of both phase inequilibrium are influenced by the axis ratio and characteric stiffness of chain and tem-perature. The solvent and solute chemical potential for the order, or anisotropic solu-tion pass through a maximum and minimum, respectively.

  • 【文献出处】 功能高分子学报 ,Journal of Functional Polymers , 编辑部邮箱 ,1992年03期
  • 【下载频次】49
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