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首页> 外文期刊>The Journal of Chemical Physics >Semiflexible polymer brushes: A scaling theory
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Semiflexible polymer brushes: A scaling theory

机译:半柔性聚合物刷:缩放理论

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We present a simple scaling theory to describe the conformational properties of semiflexible polymers grafted on a flat surface. For orientation-dependent interactions between polymer segments, we analyzed the physical properties of a polymer brush from the collapsed to strongly stretched regimes. Our analysis predicts first-order isotropic-nematic phase transitions between isotropically and nematically collapsed brushes, and between stretched and nematically collapsed brushes. It is also found that the orientational interactions would raise the effective a temperature as compared with the isotropic counterparts. (C) 1998 American Institute of Physics. [S0021-9606(98)50349-4]. [References: 64]
机译:我们提出了一个简单的缩放理论来描述接枝在平坦表面上的半柔性聚合物的构象性质。对于聚合物片段之间的取向依赖性相互作用,我们分析了从塌陷状态到强烈拉伸状态的聚合物刷的物理性能。我们的分析预测了各向同性和向列塌陷的刷子之间以及拉伸和向列向塌陷的刷子之间的一阶各向同性-向列相变。还发现与各向同性对应物相比,取向相互作用将提高有效温度。 (C)1998美国物理研究所。 [S0021-9606(98)50349-4]。 [参考:64]

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