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Topological effects on static and dynamic properties in an amorphous nanofiber composed of cyclic polymers

机译：拓扑对环状聚合物组成的非晶态纳米纤维中静态和动态特性的影响

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The static and dynamic properties of an amorphous polymer nanofiber are investigated via Monte Carlo simulation. Each nanofiber is composed of rings represented by 50 beads. The results are compared with recent simulation by a similar method, of a nanofiber composed of linear chains with the same number of beads. The coarse-grained model is one that permits reverse-mapping of the macromolecules to C100H202 or C100H200. The radial density profiles can be fitted to a hyperbolic tangent function. The orientation of the chains is similar in the two fibers. The cyclic chains move slower than the linear chains, both on the scale of individual beads and on the scale of entire molecules. Both fibers experience an increase in mobility in the surface region, with this increase being larger in the fibers composed of linear chains. [References: 30]
机译：通过蒙特卡洛模拟研究了非晶态聚合物纳米纤维的静态和动态特性。每个纳米纤维由代表50个珠子的环组成。通过类似的方法，将结果与最近的模拟结果相比较，该纳米纤维是由具有相同数量珠子的线性链组成的。粗粒度模型是允许将大分子反向映射到C100H202或C100H200的模型。径向密度分布可以拟合为双曲正切函数。两条纤维中链的取向相似。无论是在单个珠子的规模上，还是在整个分子的规模上，环状链的移动都比线性链慢。两种纤维在表面区域中的迁移率都增加，其中由线性链组成的纤维中的增加更大。 [参考：30]

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