Kinetics of formation of polymer dispersed liquid crystals in a liquid-crystalline polymer matrix

被引：0
|
作者：
S. V. Kostromin
S. V. Bronnikov
V. V. Zuev
机构：
[1] Russian Academy of Sciences,Institute of Macromolecular Compounds
来源：
Polymer Science Series A | 2011年 / 53卷
关键词：
Liquid Crystal; Polymer Science Series; Liquid Crystalline Polymer; Avrami Equation; Cluster Growth;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
With the use of optical polarization microscopy, the kinetics of phase separation during cooling of molten mixtures of a nematic low-molecular-mass liquid crystal and a liquid crystalline polymer is studied to produce polymer dispersed liquid crystals. The statistical drop-size distribution of a low-molecular-mass liquid crystal is described in the terms of equilibrium thermodynamics of irreversible processes. For a nematic polymer component of a mixture, the analysis of time dependences of the average diameter of drops of a low-molecular-mass liquid crystal makes it possible to reveal two stages in the kinetics of their growth and to describe this process according to the universal law of cluster growth. For a smectic polymer component, the Avrami equation is used to quantitatively describe the kinetics of growth of low-molecular-mass liquid-crystal drops.
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页码：317 / 322
页数：5
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