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CARBON NANOTUBES BASED TERMOSETTING COMPOSITES: CONDUCTIVITY AND TRIBOLOGICAL PROPERTIES

机译：碳纳米管基固结复合材料的导电性和摩擦学性能

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摘要

Multi-wall carbon nanotubes (CNT) containing different concentration of nickel nanoparticles (10-40 wt.%) have been coated with a conducting polymer, polyaniline (PANI), during aniline oxidation. First, series of PANI-CNT composites, where PANI concentrations varies from 20 to 80 wt.%, were prepared and classified by electrical and magnetic properties. Then, the surface-modified CNT with 20 wt.% of PANI, i.e. in the case when polymer is only deposited on CNT and doesn't present in a free form, were used for mechanical reinforcement of high temperature and chemically stable thermoset of a new type (brand name "Rolivsan MV-1"). The results show that: (1) CNT coated by PANI form uniform dispersion in a low viscous polyfunctional styreneless and solvent-free unsaturated resin; (2) the presence of a small amount of PANI-CNT in the cured Rolivsan resin improved the tribological properties of the filled polymer material as well as increased its conductivity by ten orders of magnitude compared with rubber. The enhanced tribological properties have been attributed to the microstructure of the CNT-PANI-Rolivsan composites. Uniformly dispersed CNTs coated by PANI play role of admixtures participated in the Rolivsan post-crosslinking reactions and thus increased micro-hardness of composite.
机译：在苯胺氧化过程中，已用导电聚合物聚苯胺（PANI）涂覆了包含不同浓度的镍纳米颗粒（10-40 wt。％）的多壁碳纳米管（CNT）。首先，制备一系列PANI-CNT复合材料，其中PANI浓度在20至80 wt。％之间变化，并通过电和磁性能进行分类。然后，将具有20 wt。％PANI的表面改性的CNT（即在聚合物仅沉积在CNT上但不以游离形式存在的情况下）用于机械增强高温和化学稳定的碳纳米管。新型（品牌名称为“ Rolivsan MV-1”）。结果表明：（1）PANI包覆的CNT在低粘度的多官能无苯乙烯，无溶剂的不饱和树脂中形成均匀的分散体； （2）固化的Rolivsan树脂中少量PANI-CNT的存在改善了填充聚合物材料的摩擦学性能，并且与橡胶相比，其导电率提高了10个数量级。增强的摩擦学性能归因于CNT-PANI-Rolivsan复合材料的微观结构。由PANI包覆的均匀分散的CNT在掺合料中起着Rolivsan后交联反应的作用，从而提高了复合材料的显微硬度。

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  • 来源
    《》|2008年|76-79|共4页
  • 会议地点 Crete(GR);Crete(GR)
  • 作者

    N.E. Kazantseva; J. Vilcakova; P. Saha; B.A. Zaitsev; I. Yu. Sapurina; L.G. Kleptsova; G.I. Khramova; J. Stejskal; M.M. Tomishko; O.V. Demicheva;

  • 作者单位

    Polymer Centre, Faculty of Technology, Tomas Bata University in Zlin,762 72 Zlin, Czech Republic Institute of Radio-Engineering and Electronics, Russian Academy of Sciences,Friasino, Moscow region 141190, Russia;

    Polymer Centre, Faculty of Technology, Tomas Bata University in Zlin,762 72 Zlin, Czech Republic;

    Polymer Centre, Faculty of Technology, Tomas Bata University in Zlin,762 72 Zlin, Czech Republic;

    Institute of Macromolecular Compounds, Russian Academy of Sciences,St. Petersburg 199004, Russia;

    Institute of Macromolecular Compounds, Russian Academy of Sciences,St. Petersburg 199004, Russia;

    Institute of Macromolecular Compounds, Russian Academy of Sciences,St. Petersburg 199004, Russia;

    Institute of Macromolecular Compounds, Russian Academy of Sciences,St. Petersburg 199004, Russia;

    Instit;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    carbon nanotubes; composites; polyaniline; tribological properties; conductivity; and magnetic properties;

    机译：碳纳米管；复合材料聚苯胺摩擦学性能电导率和磁性;

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