环氧树脂/碳纳米管复合材料制备及导电性能研究进展

Research Progress in Preparation and Conductive Properties of Epoxy/Carbon Nanotube Composites

简要介绍了环氧树脂/碳纳米管复合材料的组成及碳纳米管在环氧树脂中的分散方法;综述了环氧树脂/碳纳米管复合材料的制备方法,包括溶液浇铸法、原位聚合法、化学改性法、混合固化剂辅助叠层法和树脂传递模塑法;总结了国内外对环氧树脂/碳纳米管复合材料导电性能的研究现状,并分析了影响其导电性能的因素,包括碳纳米管的比表面积、表面功能化和制备方法、剪切速率及固化条件等。

Preparation methods of epoxy/carbon nanotubes composites were introduced, including solution casting,in-situ polymerization, chemistry modification, mixed-curing agent assisted laying out, and resin transferring molding. Dispersion of carbon nanotubes in epoxy matrix was discussed. The recent development of conductive epoxy/carbon nanotube composites at home and abroad was summarized and factors affecting the conductive properties of the composites were analyzed, including the aspect ratio, surface modification, shear rate, and curing condition of the composites.