Surface-induced liquid crystal transitions of wormlike polymers confined in a narrow slit. A mean-field theory
Surface-induced liquid crystal transitions of wormlike polymers confined in a narrow slit. A mean-field theory
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DOI：
10.1021/ma062160m
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发表时间：
2007-02-20
期刊：
影响因子：
5.5
通讯作者：
Yuan, Xiangqun
中科院分区：
文献类型：
--
作者：
Chen, Jeff Z. Y.;Sullivan, D. E.;Yuan, Xiangqun
在半柔性聚合物链的平均场处理的基础上，我们分析了空间上限制在两个平行的、无结构的壁之间的长蠕虫状聚合物的结构，壁之间的距离为W。在聚合物链段间的Onsager排斥体积相互作用下，该体系表现出三个相，即单轴相、双轴相和凝聚相，这取决于聚合物密度和W。我们还确定了诱导的吸引力作用在墙上，介导的Onsager排除体积之间的相互作用聚合物链段。
On the basis of a mean-field treatment of semiflexible polymer chains, we analyze the structure of long wormlike polymers sterically confined between two parallel, structureless walls separated by a distance W. With the Onsager excluded-volume interaction between polymer segments, the system displays three phases, uniaxial, biaxial, and condensed, depending on the polymer density and W. We have also determined the induced attractive force acting on the walls, mediated by the Onsager excluded-volume interaction between polymer segments.