通过CVD-浮动辅助催化法在Si基底上制备了管径约为80 nm、高度400～500 μm的碳纳米管阵列膜,将其和环氧树脂进行复合,同时添加了二丁酯作为增韧剂,固化得到了环氧树脂复合碳纳米管阵列热界面材料.并测量了热界面材料的拉伸力学、导电、导热性能.结果表明:加入增韧剂提高了复合材料的拉伸延展性,当增韧剂的质量份额为20％时,其拉伸延展性最好;电导率随着增韧剂含量的增加而逐渐减小;当增韧剂的质量份额为10％时,导热系数为12.5W/(m·K),随着增韧剂含量的增加导热系数有所减小.
参考文献
| [1] | Paul L. McEuen;Ji-Yong Park .Electron Transport in Single-Walled Carbon Nanotubes[J].MRS bulletin,2004(4):272-275. |
| [2] | C. H. Liu;H. Huang;Y. Wu;S. S. Fan .Thermal conductivity improvement of silicone elastomer with carbon nanotube loading[J].Applied physics letters,2004(21):4248-4250. |
| [3] | M. J. Biercuk;M. C. Llaguno;M. Radosavljevic;J. K. Hyun;A. T. Johnson;J. E. Fischer .Carbon nanotube composites for thermal management[J].Applied physics letters,2002(15):2767-2769. |
| [4] | Hua Huang;Changhong Liu;Yang Wu;Shoushan Fan .Aligned Carbon Nanotube Composite Films for Thermal Management[J].Advanced Materials,2005(13):1652-1656. |
| [5] | 徐化明,李聃,梁吉.PMMA/定向碳纳米管复合材料导电与导热性能的研究[J].无机化学学报,2005(09):1353-1356. |
| [6] | Du FM;Guthy C;Kashiwagi T;Fischer JE;Winey KI .An infiltration method for preparing single-wall nanotube/epoxy composites with improved thermal conductivity[J].Journal of Polymer Science, Part B. Polymer Physics,2006(10):1513-1519. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%