嵌段聚合物非共价修饰对碳纳米管／聚苯乙烯复合材料导电性能的影响  

Effect of Block Polymer Modification of Multiwalled Carbon Nanotubes on the Electrical Conductivity of MWNTs/Polystyrene Nanocomposites

作　　者：唐蒙[1] 刘刚[1] 邢琳 

机构地区：[1]中航工业第一飞机设计研究院,西安710089

出　　处：《现代涂料与涂装》2016年第8期8-11,16,共5页Modern Paint & Finishing

摘　　要：采用嵌段共聚物PS-b-PAH非共价修饰碳纳米管,透射电镜(TEM)结果表明,PS-b-PAH均匀包覆在碳管表面,有利于碳纳米管在PS基体中分散。电性能表征结果显示,PS-b-PAH非共价修饰碳纳米管P-MWNTs/PS复合材料的渗流阈值远低于未修饰MWNTs/PS复合材料。The block polymer of poly （styrene-b-pyrene） （PS-b-PAH） was successfully applied on the surface of muhiwalled carbon nanotubes （MWNTs）. The morphology of MWNTs modified by PS-b-PAH was investigated by transmission electron microscopy（TEM）. The TEM results of PS-b-PAH modified MWNTs in polystyrene（PS） matrices show that PS-b-PAH can effectively help to disperse MWNTs well in PS matrices. The percolation threshold of the modified P-MWNTs/PS composites was lower than that of pristine MWNTs/PS composites.

关 键 词：多壁碳纳米管 非共价键修饰 嵌段共聚物 分散性 渗流阈值 

分 类 号：TQ633[化学工程—精细化工]