电场诱导碳纳米管在聚合物中定向有序排列的研究进展

Research Progress of Orientation and Alignment of Carbon Nanotubes in Polymer Implemented by Applying Electric Field

碳纳米管特殊的结构和优异的性能使之成为复合材料增强的首选填料,综述了电场条件下碳纳米管在聚合物中有序排列的研究进展。分析了电场类型、碳纳米管表面官能化、加电时间、碳纳米管尺寸和含量等因素对电场诱导碳纳米管有序排列的影响,讨论了定向有序排列的碳纳米管对复合材料的力学、电学和热学等性能的影响,分析了碳纳米管定向排列机理以及碳纳米管定向程度的表征方法。

The special structure and excellent properties of carbon nanotubes make it the preferred filler for composites.This paper summarized the development of the studies on the orientation and alignment of CNTs in polymers induced by electric field.The factors which influence the orientation and alignment of CNTs in electric field are analyzed,such as electric field type,surface functionalization of CNTs,application time,CNTs size and content.The improvement of CNTs alignment reinforced composites in mechanical,electrical,and thermal properties is discussed.The mechanisms of orientation of CNTs and the characterization method of CNTs orientation degree were analyzed.