引进一种碳纳米管的分散剂纤维素硝酸酯,研究纤维素硝酸酯在MWCNTs/PMMA复合体系中的助分散作用和可能的机理.通过观察MWCNTs在液体中的沉降情况评价纤维素硝酸酯的助分散效果；采用原位本体聚合法制备MWCNTs/PMMA复合材料并测试其耐划痕性和硬度.观察实验显示,酸处理和未酸处理的MWCNTs均能够稳定地悬浮于含有纤维素硝酸酯的MMA溶液中.测试结果表明,含有纤维素硝酸酯的酸处理MWCNTs/PMMA复合材料的耐划痕性比纯PMMA的提升了67％,布氏硬度提升了14％.纤维素硝酸酯的使用解决了MWCNTs在基体单体MMA中的沉降问题,其助MWCNTs分散作用优良.
参考文献
| [1] | Das M;Bandyopadhyay S.Chapter 11 PMMA-Carbon Nanotube Composites:Mechanical,Electrical and Thermal Properties[A].Singapore:Research Publishing,2011:335-360. |
| [2] | Kim DO;Lee MH;Lee JH;Lee TW;Kim KJ;Lee YK;Kim T;Choi HR;Koo JC;Nam JD .Transparent flexible conductor of poly(methyl methacrylate) containing highly-dispersed multiwalled carbon nanotube[J].Organic electronics,2008(1):1-13. |
| [3] | Takashi Kashiwagi;Jeffrey Fagan;Jack F.Douglas .Relationship between dispersion metric and properties of PMMA/SWNT nanocomposites[J].Polymer: The International Journal for the Science and Technology of Polymers,2007(16):4855-4866. |
| [4] | Shailaja Pande;R.B. Mathur;B.P. Singh .Synthesis and Characterization of Multiwalled Carbon Nanotubes-Polymethyl Methacrylate Composites Prepared by In Situ Polymerization Method[J].Polymer Composites,2009(9):1312-1317. |
| [5] | Clark, M.D.;Subramanian, S.;Krishnamoorti, R. .Understanding surfactant aided aqueous dispersion of multi-walled carbon nanotubes[J].Journal of Colloid and Interface Science,2011(1):144-151. |
| [6] | Cho J;Daniel IM .Reinforcement of carbon/epoxy composites with multi-wall carbon nanotubes and dispersion enhancing block copolymers[J].Scripta materialia,2008(7):533-536. |
| [7] | Mazov, I.N.;Kuznetsov, V.L.;Moseenkov, S.I.;Ishchenko, A.V.;Romanenko, A.I.;Anikeeva, O.B.;Buryakov, T.I.;Korovin, E.Y.;Zhuravlev, V.A.;Suslyaev, V.I. .Electrophysical and electromagnetic properties of pure MWNTs and MWNT/PMMA composite materials depending on their structure[J].Fullerenes, nanotubes, and carbon nanostructures,2010(1/6):505-515. |
| [8] | Lahelin, M.;Vesterinen, A.;Nyk?nen, A.;Ruokolainen, J.;Sepp?l?, J. .In situ polymerization of methyl methacrylate/multi-walled carbon nanotube composites using cationic stearyl methacrylate copolymers as dispersants[J].European Polymer Journal,2011(5):873-881. |
| [9] | 李玲.表面活性剂与纳米技术[M].北京:化学工业出版社,2004:171-175. |
| [10] | 孟令芝;龚淑玲;何永炳.有机波谱分析[M].武汉:武汉大学出版社,2003:219-225. |
| [11] | A. Eitan;F.T. Fisher;R. Andrews .Reinforcement mechanisms in MWCNT-filled polycarbonate[J].Composites science and technology,2006(9):1162-1173. |
| [12] | Huang Y;Yuen S;Ma C et al.Morphological,electrical,electromagnetic interference (EMI) shielding,and tribological properties of functionalized multi-walled carbon nanotube/poly methyl methacrylate (PMMA) composites[J].Composites Science and Technology,2009,69:1991-1996. |
| [13] | C.Xiang;H.-J.Sue;J.Chu;B.Coleman .Scratch Behavior and Material Property Relationship in Polymers[J].Journal of Polymer Science, Part B. Polymer Physics,2001(1):47-59. |
| [14] | Lu M;Lau K T;Tam W Y et al.Enhancement of Vicker's hardness of nanoclay-supported nanotube reinforced novel polymer composites[J].Carbon,2006,44:381-392. |
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