在乙二醇(EG)与对苯二甲酸(PTA)酯化过程中加入经浓HNO3/浓H2SO4(1/3,体积比)氧化处理的多壁碳纳米管(MWCNTs),采用原位聚合法制备了不同MWCNTs含量(质量分数分别为0.2%、 0.6%和1.0%)的MWCNTs/PET纳米复合材料.扫描电子显微镜(SEM)观察发现当MWCNTs含量较低时,其在PET基体中分散良好;Instron 1122力学性能测试表明,经MWCNTs复合后,PET盯样品的拉伸强度与模量都有所提高;差示扫描量热(DSC)分析表明MWCNTs具有成核剂的作用,促进了PET熔体的结晶行为.
参考文献
| [1] | Iijima S .Helical microtubules of graphitic carbon[J].Nature,1991,354(6348):56. |
| [2] | Kamaras K;Pekker A;Bruckner M;Borondics F;Rinzler AG;Tanner DB;Itkis ME;Haddon RC;Tan Y;Resasco DE .Wide-range optical spectra of carbon nanotubes: a comparative study[J].Physica status solidi, B. Basic research,2008(10):2229-2232. |
| [3] | 郭纪生.碳纳米管的新应用[J].世界科学,2009(02):17. |
| [4] | 曹萌,丁克强,冬连红.碳纳米管的制备及其在电化学中的应用研究进展[J].河北师范大学学报（自然科学版）,2008(01):89-93. |
| [5] | Ahn BW;Chi YS;Kang TJ .Preparation and Characterization of Multi-Walled Carbon Nanotube/Poly(ethylene terephthalate) Nanoweb[J].Journal of Applied Polymer Science,2008(6):4055-4063. |
| [6] | 朱雷,李仲谨,余丽丽,邱辉,张莎.碳纳米管/聚合物复合材料研究进展[J].化工科技,2009(01):71-75. |
| [7] | 黄从树,李彦锋.碳纳米管增强高聚物功能复合材料研究进展[J].材料科学与工程学报,2008(01):152-155. |
| [8] | Coleman, JN;Khan, U;Gun'ko, YK .Mechanical reinforcement of polymers using carbon nanotubes[J].Advanced Materials,2006(6):689-706. |
| [9] | Li, ZY;Xu, SZ;Liu, WT;He, SQ;Zhu, CS .Preparation and Characterization of Nylon610/Functionalized Multiwalled Carbon Nanotubes Composites[J].Journal of Applied Polymer Science,2009(5):2805-2812. |
| [10] | Antoniadis, G;Paraskevopoulos, KM;Bikiaris, D;Chrissafis, K .Melt-Crystallization Mechanism of Poly(ethylene terephthalate)/Multi-Walled Carbon Nanotubes Prepared by In Situ Polymerization[J].Journal of Polymer Science, Part B. Polymer Physics,2009(15):1452-1466. |
| [11] | Park D H;Yoon K H;Park Y B et al.Electrical resistivity of polycarbonate/multiwalled carbon nanotube composites under varying injection molding conditions[J].Journal of Applied Polymer Science,2009,113(01):450. |
| [12] | Liu Y J .Single-point determination of intrinsic viscosity of semirigid thermotropic copolyesters in phenol/1,1,2,2-tetrachloroethane[J].Macromot Mater Eng,2001,286(10):611. |
| [13] | Y. Ma;U. S. Agarwal;D. J. Sikkema;P. J. Lemstra .Solid-state polymerization of PET: influence of nitrogen sweep and high vacuum[J].Polymer: The International Journal for the Science and Technology of Polymers,2003(15):4085-4096. |
| [14] | Kuznetsova A.;Naumenko V.;Yates JT.;Liu J.;Smalley RE.;Mawhinney DB. .Enhancement of adsorption inside of single-walled nanotubes: opening the entry ports[J].Chemical Physics Letters,2000(3-4):292-296. |
| [15] | 成会明.纳米碳管制备、结构、物性及应用[M].北京:化学工业出版社,2002:231. |
| [16] | 李宏伟,高绪珊,童俨.聚丙烯/多壁碳纳米管复合材料的结晶行为[J].中国塑料,2005(04):23-28. |
| [17] | Ebengou R H .Adsorption as a mechanism for nuclcating activity:A thermodynamic explanation[J].Journal of Polymer Science Part B:Polymer Physics,1997,35:1333. |
| [18] | 李振华,曹有名,刘莉,申士和.MWCNTs/PS复合材料阻燃性能研究[J].国外塑料,2008(11):64-68. |
| [19] | Kashiwagi T;Du F M;Douglas J F et al.Nanoparticle networks reduce the flammability of polymer nanocomposites[J].Nature Materials,2005,4:928. |
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