Relationship between the coefficient of friction of additive in the bulk and chain graft surface density through a diffusion process: Erucamide–stearyl erucamide mixtures in polypropylene films,Journal of Vinyl and Additive Technology

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Relationship between the coefficient of friction of additive in the bulk and chain graft surface density through a diffusion process: Erucamide–stearyl erucamide mixtures in polypropylene films
Journal of Vinyl and Additive Technology ( IF 3.8 ) Pub Date : 2021-03-13 , DOI: 10.1002/vnl.21820
Rafael Catarino‐Centeno ₁ , Miguel A. Waldo‐Mendoza ₂ , Erwin García‐Hernández ₁ , José Elías Pérez‐López ₃

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A relationship between chain graft density calculated by coarse‐grained simulation and the one obtained from experimental results is compared in the present work. Two slip additives for polypropylene films were studied, erucamide and stearyl erucamide. The diffusion equation (Fick's second law) was used to relate real‐time experimental results with coarse‐grained simulations and rendered slip additive surface density as a function of the coefficient of friction. The normalized surface density values obtained from the simulation showed a qualitative trend consistent with the experimentally observed results.

中文翻译：

本体中添加剂的摩擦系数与通过扩散过程的链接枝表面密度之间的关系：聚丙烯薄膜中的芥酸酰胺-硬脂基芥酸酰胺混合物

在本工作中，比较了通过粗粒度模拟计算的链移植物密度与从实验结果获得的密度之间的关系。研究了用于聚丙烯薄膜的两种增滑剂，芥酸酰胺和硬脂基芥酸酰胺。扩散方程（菲克第二定律）用于将实时实验结果与粗粒度模拟相关联，并将滑移添加剂表面密度作为摩擦系数的函数。从模拟获得的归一化表面密度值显示出与实验观察到的结果一致的定性趋势。

更新日期：2021-05-10

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