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高分子链相关函数与液体小分子速度/应力-时间相关函数的可类比性

DOI: 10.3724/SP.J.1105.2012.12008, PP. 685-688

Keywords: 高分子链相关函数,幂率衰减,指数衰减,长时间拖尾

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Abstract:

通过标度关系,给出了良溶剂和熔体或θ溶剂中真实高分子链相关函数的幂率衰减关系.这一问题的物理背景,与液体中小分子速度和应力的时间相关函数的长时间拖尾现象,具有可类比的物理图像,但是由于高分子系统的复杂性,高分子的链相关函数表现出更复杂和丰富的可能形式.

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