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Published on: October 31, 2019
Dynamics and rheology of immiscible polymer-liquid-crystal systems
1Department of Polymer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China. wyu@stju.edu.cn
Abstract:
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.
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