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首页> 外文期刊>Journal of Applied Polymer Science >Fabrication of high mechanical performance UHMWPE nanocomposites with high-loading multiwalled carbon nanotubes
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Fabrication of high mechanical performance UHMWPE nanocomposites with high-loading multiwalled carbon nanotubes

机译：高装多壁碳纳米管的高机械性能UHMWPE纳米复合材料的制备

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摘要

Using conventional mixing techniques, the mechanical properties of prepared carbon nanotube (CNT)/polymer composites are not impressive enough, because of their aggregation problem at a high loading of CNTs. In this article, high mechanical performance ultrahigh molecular weight polyethylene (UHMWPE) nanocomposites with high loading of multiwalled CNTs were successfully fabricated by a new manufacturing technique. Specifically, the tensile strength and storage modulus at 25 degrees C of UHMWPE nanocomposites with 32 wt % of nanotubes prepared by the novel technique reaches 107.6 MPa and 6.0 GPa, respectively, about 4.7 times and 5.0 times of that of pure UHMWPE resin, which are also very high experimental results compared with polyethylene nanocomposite prepared by traditional hot-compression techniques. These attractive results suggest that the high-loading CNTs without sacrificing their dispersion and the impregnation quality of polymer-impregnated buckypapers are essential for fabricating CNTs/polymer composites with superior mechanical properties. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 137, 48667.
机译：采用常规混合技术，由于其在高负荷的CNTS的聚集问题，所制备的碳纳米管（CNT）/聚合物复合材料的机械性能不够令人印象深刻。在本文中，通过新的制造技术成功地制造了高负载多壁CNT的高机械性能超高分子量聚乙烯（UHMWPE）纳米复合材料。具体地，uHMWPE纳米复合材料中25℃的拉伸强度和储存模量，具有新的技术制备的32wt％的纳米管，分别达到107.6MPa和6.0GPa，约4.7倍和5.0倍的纯UHMWPE树脂，即与传统热压缩技术制备的聚乙烯纳米复合物相比，也非常高的实验结果。这些有吸引力的结果表明，不牺牲它们的分散和聚合物浸渍的乳蛋白的浸渍质量的高负载CNT对于制造具有优异机械性能的CNT /聚合物复合材料是必不可少的。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,137,48667。

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