Dewetting of thin polymer films

被引：0
|
作者：
T. Vilmin
E. Raphaël
机构：
[1] ESPCI,Laboratoire de Physico
来源：
The European Physical Journal E | 2006年 / 21卷
关键词：
68.60.-p Physical properties of thin films, nonelectronic; 68.15.+e Liquid thin films; 68.55.-a Thin film structure and morphology; 83.10.-y Fundamentals and theoretical;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We study the dewetting of thin polymer films deposited on slippery substrate. Recent experiments on these systems have revealed many unexpected features. We develop here a model that takes into account the rheological properties of polymer melts, focussing on two dewetting geometries (the receding of a straight edge, and the opening of a hole). We show that the friction law associated with the slippage between the film and the substrate has a direct influence on the dewetting dynamic. In addition, we demonstrate that residual stresses, which can be stored in the films due to their viscoelasticity, are a source of destabilization for polymer films, and accelerate the dewetting process.
引用
收藏
页码：161 / 174
页数：13
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