对多壁碳纳米管进行了表面羧基化处理,将羧基化碳纳米管添加到环氧树脂基体中,通过湿法缠绕工艺制备出具有高性能的T1000碳纤维增强环氧树脂复合材料.结果表明,复合材料的界面性能和耐热性能得到改善,当羧基化碳纳米管质量含量为1%时,复合材料的层间剪切强度提高了近29%.
Carhoxyl functionalized-multiwalled carbon nanotubes(COOH-MWNTs)were prepared as nano-reinforcement for T1000 carbon fiber/epoxy composites.COOH-MWNTs can be uniformly dispersed in epoxy matrix.The experimental results show the interfacial properties and heat-resistance properties of composite were improved.Mechanical test of filament wound composites exhibit a 28% enhancement in the shear strength after adding 1 wt % COOH-MWNTs.
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