导电热塑性弹性体研究进展

Research Progress in the Conductive Thermoplastic Elastomer

热塑性弹性体基填料填充型导电复合材料由于可回收、品种多、价廉和易工业化生产等优点,应用广泛。除了受导电填料自身性质的影响之外,其导电性能还受导电填料在基体中的分散状态、两相界面等因素的影响。本文主要阐述导电填料在基体中分布的控制理念,分析影响导电填料在基体中分布的因素,简述填料分布与复合材料导电性之间的关系。若配方和工艺合理,则有望制备低逾渗阈值高性能导电热塑性弹性体。最后展望了导电热塑性弹性体的研究前景及发展趋势。

The filler-filled conductive thermoplastic elastomers are widely used due to their advantages such as recyclability, variety, low cost, and easy industrial production. The conductivities of thermoplastic elastomers are affected by the properties of the conductive filler, the dispersed state, two-phase interface and so on. The review mainly discloses the control concept of the distribution of conductive fillers in the matrix, analyzes the factors on the distribution of conductive fillers in the matrix, and briefly describes the relationship between the distribution of fillers and the conductivity of thermoplastic elastomers The conductive thermoplastic elastomers with low percolation threshold and high performance are expected to be prepared if the formulation and process are reasonable. Finally, the development trend of conductive thermoplastic elastomers is prospected.