作者
Guanda Yang, Dirk W Schubert, Fritjof Nilsson, Muchao Qu, Michael Redel
发表日期
2020/9
期刊
Macromolecular Theory and Simulations
卷号
29
期号
5
页码范围
2000035
简介
For polymer composites containing two types of conductive fillers, the electrical conductivity can be predicted with a ternary mixing equation. However, a slight deviation from the foreseen trend is recently observed for ternary polymethyl methacrylate (PMMA) nanocomposites containing carbon nanotubes (CNT) and carbon black (CB). In this study, the reason for the deviation is examined. Representative composite geometries are generated with Monte‐Carlo technique and the composite conductivity is calculated with Finite Element Modeling (FEM) Traditional FEM strategies would give results resembling the ternary mixing equation, but when the CB particles are modeled as solid spheres whereas the CNT are modeled as solid cylinders surrounded by soft, conductive shells, the composite conductivity gained the same shape as observed experimentally. One possible interpretation is that a small geometrical …
学术搜索中的文章
G Yang, DW Schubert, F Nilsson, M Qu, M Redel - Macromolecular Theory and Simulations, 2020