Dynamics and rheology of immiscible polymer-liquid-crystal systems

被引：7
|
作者：
Yu, W [1 ]
Zhou, CX [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Polymer Sci & Engn, Shanghai 200240, Peoples R China
来源：
JOURNAL OF CHEMICAL PHYSICS | 2005年 / 123卷 / 01期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.1940049
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The morphology evolution in immiscible polymer-liquid-crystal systems is quite different from flexible polymer-polymer mixtures due to the anisotropic properties of liquid crystals. The dynamics and rheology of such system are discussed. A theoretical model is proposed to describe the dynamics of liquid-crystal droplets in a flow field and the rheological properties of immiscible liquid-crystal/polymer mixtures. The deformation of liquid-crystal droplet is found to be greatly dependent on the interfacial properties of polymer-liquid crystal. The scaling relationships of interfacial contribution to the stresses are found to be quite different from the isotropic mixtures with droplet morphology. (c) 2005 American Institute of Physics.
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页数：10
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