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首页> 外文期刊>Journal of Applied Polymer Science >Influence of different polyesters and their molecular weight on the textural and electrooptical behavior of polymer-dispersed liquid crystals
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Influence of different polyesters and their molecular weight on the textural and electrooptical behavior of polymer-dispersed liquid crystals

机译：不同聚酯及其分子量对聚合物分散液晶纹理和电光行为的影响

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摘要

The textural and electrooptical behavior of a nematic liquid crystal (LC) dispersed in a flexible and rigid polyester was studied. The dispersion of LC in the polymer matrix and light transmission through the polymer-dispersed liquid crystal (PDLC) is governed by the nature of the polymer, its molecular weight, and the applied voltage. It was observed that the transmission of light and the dispersion of LC maximizes their respective values at the minimum molecular weight irrespective of the nature of the polymer and at the maximum voltage. The reason is the predominance of chain alignment over entanglement at the minimum molecular weight. As molecular weight increases, the transmission of light as well as the dispersion of LC in the polymer may increase or decrease depending on the predominance of chain entanglement or chain alignment. The alignment of LC droplets in the direction of the applied voltage is increased by an increase in the applied voltage, causing enhancement of the light transmission. (C) 2002 Wiley Periodicals, Inc. [References: 22]
机译：研究分散在柔性刚性聚酯中的向列液晶（LC）的纹理和电光行为。通过聚合物分散的液晶（PDLC）的LC在聚合物基质中的分散和通过聚合物分散的液晶（PDLC）的分散由聚合物的性质，其分子量和施加的电压控制。观察到，无论聚合物的性质和最大电压都在最小分子量下，LC的光和Lc的分散率最大化它们的各自值最大化。原因是链对最小分子量下缠结的主要偏向。随着分子量的增加，光的透射以及LC在聚合物中的分散可以根据链缠结或链对取向的主要偏移而增加或减少。 LC液滴在施加电压方向上的对准通过施加的电压的增加而增加，导致光传输的增强。 （c）2002 Wiley期刊，Inc。[参考：22]

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