CF/CNTs多尺度混杂填充PA6复合材料性能研究  

Study on Properties of CF/CNTs Multiscale Hybrid Filled PA6 Composites

作　　者：闫盼盼 熊伟 张保丰 蒋爱云 

机构地区：[1]黄河科技学院机械工程学院 [2]河南省纳米复合材料与应用重点实验室

出　　处：《塑料科技》2018年第1期37-41,共5页Plastics Science and Technology

基　　金：郑州市科技攻关项目(20150346)

摘　　要：以碳纤维，碳纳米管（CF/CNTs）多尺度混杂填充聚酰胺6（PA6）复合材料为研究对象。采用不同的方法处理CNTs，并考察了对应复合材料的力学性能．导电性能和导热性能。结果表明：CNTs经过表面化学镀镍处理后，明显改善了CF与基体界面问的结合强度和相容性。表面镀镍处理的碳纳米管（CNTs．Ni）吸附在CF表面。不仅可促进CF与基体问形成“钉扎效应”，从而提高了复合材料的力学性能，还在CF与PA6基体间形成了导热桥路和导电网络，使材料的电阻牢和界面热阻有所下降；CF和CNTs混杂堰充基体树脂对复合材料的力学性能．导热性能及导电性能有着良好的协同增效作用；CNTs-Ni可明显改善CF增强复合材料的导热性能和导电性能。Using different methods to deal with carbon nanotubes （CNTs）, and the mechanical properties, electrical properties and thermal conductivity of carbon fiber （CF）/CNTs multiscale hybrid filled- polyamide 6 （PA6） composites were studied. The results show that the CNTs which surface treated by the electroless nickel plating process （CNTs-Ni）, has obviously improved the strength and compatibility of the interface between CF and PA6 matrix. The CNTs-Ni adsorbed on the surface of CF can promote the ＂nail effect＂ between CF and PA6 matrix, and the mechanical properties of composite materials are improved; moreover, the thermal bridges and conductive networks between CF and PA6 matrix can be formed, and the resistivity and interface heat resistance are reduced. The CF/CNTs multiscale hybrid filled-PA6 composites have good synergies on the mechanical properties, thermal conductivity and electrical properties. CNTs- Ni can significantly improve the thermal conductivity and electrical properties of CF reinforced composite materials.

关 键 词：碳纤维 碳纳米管 混杂填充 表面化学镀镍:钉扎效应 协同作用 

分 类 号：TQ323.6[化学工程—合成树脂塑料工业]