复合导电高分子材料微观网络结构及导电行为仿真分析

导电填料的形貌、尺寸、材料特性及导电填料之间、导电填料与基体之间的相互作用等因素,均能对复合导电高分子材料的导电行为产生重要的影响。为此,通过建立球状导电填料填充的复合导电高分子材料微观结构模型,利用Matlab计算软件,仿真分析了复合导电高分子材料的导电行为即渗流现象,研究了导电填料的粒径大小和体积分数对复合导电高分子材料导电特性的影响。研究结果表明,该仿真模型能够从整体上反映复合导电高分子材料的导电特性,并能推广到其他形貌的导电填料的情况以及三维领域。

Simulation Analysis on the Micro-network Structure and Conducting Behavior of Conductive Polymer Composites

The morphology,size,and material properties of composite conductive polymer conductive filler,along with the interaction among the conductive filler particles and the matrix,have important impacts on the filler’s conductive behavior.Establisheing a micro-structural model of the composite conductive polymer with spherical conductive fillers,we simulated and analyzed the conductive behavior of the composite conductive,mainly,the percolation phenomenon,by the Matlab software.Moreover,we studied the effect of conductive filler particle size and volume fraction of composite electrical properties of conductive polymer materials on the filler’s conductive behavior.It is concluded that the simulation model can reflect electrical properties of composite conducting polymer materials,and can be extended to other conductive filler morphologies or three-dimension.