本文采用浓酸(浓硫酸/浓硝酸)氧化法对纳米碳纤维进行表面处理,在水热和超声分散条件下,制备纳米碳纤维/环氧树脂复合材料.X射线光电子能谱分析表明,酸化处理在纳米碳纤维表面引入了羟基和羧基等能参与环氧树脂固化反应的官能团.流变试验结果表明,酸化处理在一定程度上提高了复合材料流体的流动性.断裂韧性测试结果和扫描电子显微镜(SEM)分析也显示了酸化处理能有效改善纤维与树脂的界面结合状况,提高复合材料的断裂韧性.
参考文献
[1] | 张勇,唐元洪,裴立宅,郭池.纳米碳纤维的批量制备和应用[J].高科技纤维与应用,2005(02):20-25. |
[2] | 赵稼祥.纳米碳纤维及其应用[J].纤维复合材料,2003(04):48-50. |
[3] | Choi Young Kuk;Sugimoto Koh Ichi;Song Sung Moo et al.Mechanical and thermal properties of vapor-grewn carbon nanofiber and polycathonate composite sheets[J].Materials Letters,2005,59(27):3515-3520. |
[4] | Kazuki Enomoto;Toshiyuki Yasuhara;Naoto Ohtake .Mechanical Properties of Injection-Molded Composites of Carbon Nanofibers in Polypropylene Matrix[J].New Diamond and Frontier Carbon Technology,2005(2):59-72. |
[5] | Zhu HW.;Li XS.;Ci LJ.;Xu CL.;Wu DH.;Mao ZQ. .Hydrogen storage in heat-treated carbon nanofibers prepared by the vertical floating catalyst method[J].Materials Chemistry and Physics,2003(3):670-675. |
[6] | Meng-Kao Yeh;Nyan-Hwa Tai;Jia-Hau Liu .Mechanical behavior of phenolic-based composites reinforced with multi-walled carbon nanotubes[J].Carbon: An International Journal Sponsored by the American Carbon Society,2006(1):1-9. |
[7] | Sophie B;Philippe D;Emile P;Alain P Christophe L Colette L .Effect of Palmitic Acid on the Electrical Conductivity of CarbonNanotubes-Epoxy Resin Composites[J].Macromolecules,2003,36:9678-9680. |
[8] | Young S S;Jae BY.Evaluation of effective thermal conductivity for-[M]. |
[9] | 张兵,郭燕川,陈丽娟,彭必先.载气对注入CVD法制备碳纳米管和碳纳米纤维的影响[J].化学学报,2004(22):2253-2258. |
[10] | 于立岩,张乾,崔作林.螺旋纳米碳纤维的制备与表征[J].高等学校化学学报,2005(01):5-8. |
[11] | 朱春野,谢自立,郭坤敏.气相生长纳米碳纤维的形态控制[J].无机材料学报,2004(03):599-604. |
[12] | A.Zubeldia;M.Larranaga;P.Remiro;P.Remiro,L.Mondragon .Fracture toughening of epoxy resins of different molecolar matrices with blends of weights and other modifiers[J].Journal of Polymer Science Part B:Polymer Physics,2004,42(21):3920-3933. |
[13] | Jin Ah Kim;Dong Gi Scong;Tae Jin Kang;Jae Ryonn Yonn .Effects of surface modification on theological and mechanical properties of CNT/epoxy composites[J].Carbon,2006,44:1898-1905. |
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%