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| 多壁碳纳米管/环氧树脂复合材料的制备及性能 | |
| 引用本文： | 邓华阳,王小峰,曹琪,王先友,陈权启,李晓云. 多壁碳纳米管/环氧树脂复合材料的制备及性能[J]. 高分子材料科学与工程, 2011, 0(11): 149-152 |
| 作者姓名： | 邓华阳 王小峰 曹琪 王先友 陈权启 李晓云 |
| 作者单位： | 湘潭大学化学学院环境友好化学与应用教育部重点实验室;长沙市化工研究所; |
| 基金项目： | 湖南省教育厅青年项目基金(09B101) |
| 摘 要： | 以化学修饰法在多壁碳纳米管上成功接枝了四乙烯五胺,并用溶液共混法制备出多壁碳纳米管/环氧树脂复合材料。使用电子拉力试验机、Agilent 4294A、差示扫描量热(DSC)和扫描电镜(SEM)对复合材料进行研究。结果表明,修饰后的碳纳米管能均匀分散在基体中,添加经修饰后的碳管比添加原始碳管更能提高环氧树脂的力学强度、热稳定性和介电性能。当经修饰后的碳管质量分数为1.5%时拉伸强度和断裂伸长率分别增加了84.3%和150%,玻璃化转变温度提高了32℃,复合材料的介电常数高达25.8。 |
| 关 键 词： | 多壁碳纳米管 环氧树脂 复合材料 介电常数 |
Preparation and Properties of Multi-Walled Carbon Nanotubes/Epoxy Composites |
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| Huayang Deng,Xiaofeng Wang,Qi Cao,Xianyou Wang,Quanqi Chen,Xiaoyun Li. Preparation and Properties of Multi-Walled Carbon Nanotubes/Epoxy Composites[J]. Polymer Materials Science & Engineering, 2011, 0(11): 149-152 | |
| Authors: | Huayang Deng Xiaofeng Wang Qi Cao Xianyou Wang Quanqi Chen Xiaoyun Li |
| Affiliation: | Huayang Deng1,Xiaofeng Wang2,Qi Cao1,Xianyou Wang1,Quanqi Chen1,Xiaoyun Li1(1.College of Chemistry,Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education,Xiangtan University,Xiangtan 411105,China,2.Changsha Chemical Industry Research Institute,Changsha 410000,China) |
| Abstract: | The tetraethylenepentamine was grafted to the multi-walled carbon nanotubes by chemical modification method.The composites were produced by solution blending method.Tensile testing machine,differential scanning calorimetry,Agilent 4294A and scanning electron microscope were used to investigate the properties of the composites.The results show that the modified carbon nanotubes are well dispersed in the matrix.When the MWCNT-TEPA content was 1.5% the tensile strength and breaking elongation of composites inc... |
| Keywords: | multi-walled carbon nanotubes epoxy resin composites dielectric constant |
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