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首页> 外文期刊>Polymer Composites >Synergistic effect of boron nitride and tetrapod-shaped zinc oxide whisker hybrid fillers on filler networks in thermal conductive HDPE composites
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Synergistic effect of boron nitride and tetrapod-shaped zinc oxide whisker hybrid fillers on filler networks in thermal conductive HDPE composites

机译：氮化硼和四藏形氧化锌晶须杂交填料在热导电HDPE复合材料中填料网络中的协同作用

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摘要

In this paper, in order to investigate and predict the synergistic effect of the tetra-needle-shaped zinc oxide whisker (T-ZnO) and boron nitride (BN) hybrid fillers in the thermal conductive high-density polyethylene (HDPE) composites, the filler networks were studied through dynamic rheological measurement. Moreover, the crystallinity of the HDPE in the composites, and the thermal and electrical conductivity of the composites were also investigated. It was found that when the ratio of the BN and T-ZnO in hybrid fillers was 20:10, the HDPE/hybrid fillers composite not only had the highest thermal conductivity but also can maintain the electrically insulating. Furthermore, the gel point of the HDPE/hybrid fillers composites was 11.2 wt%, and it was close to the 10 wt%. Therefore, the synergistic effect of the T-ZnO and BN hybrid fillers in the HDPE/hybrid fillers composites can be successfully predicted through dynamic rheology date. Simultaneously, the Scanning electron microscope results showed that the T-ZnO and BN particles can contact each other to form the thermal conductive paths so that the thermal conductivity of the HDPE can be enhanced through addition of the hybrid fillers. In addition, it was also found that the improved thermal conductivity of the HDPE/hybrid fillers composites was not because of a change in the crystallinity of the HDPE in the HDPE/hybrid fillers composites. POLYM. COMPOS., 38:1902-1909, 2017. (c) 2015 Society of Plastics Engineers
机译：在本文中，为了研究和预测热导电高密度聚乙烯（HDPE）复合材料中TETRA-针状氧化锌晶须（T-ZnO）和氮化硼（BN）杂交填料的协同效应，通过动态流变测量研究填充网络。此外，还研究了复合材料中HDPE的结晶度和复合材料的热和导电性。发现，当杂交填料中的BN和T- ZnO的比率为20:10时，HDPE /杂交填料复合物不仅具有最高的导热性，而且可以保持电绝缘。此外，HDPE /杂交填料复合材料的凝胶点为11.2重量％，其接近10wt％。因此，可以通过动态流变日期成功预测HDPE /杂交填料复合材料中T- ZnO和BN杂化填料的协同效应。同时，扫描电子显微镜结果表明，T-ZnO和BN颗粒可以彼此接触以形成导热路径，使得通过加入杂交填料可以提高HDPE的导热率。此外，还发现HDPE /杂交填料复合材料的改善的热导率不是因为HDPE /杂交填料复合材料中HDPE的结晶度的变化。聚合物。 Compos。，38：1902-1909,2017。（c）2015年塑料工程师协会

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  • 来源
    《Polymer Composites》 |2017年第9期|共8页
  • 作者

    Nie Shengqiang; Zhang Xianlong; Luo Jun; Liu Yuan; Yan Wei;

  • 作者单位

    Guiyang Univ Univ Guizhou Prov Coll Chem &

    Mat Engn Engn Res Ctr Mat Protect Wear &

    Corros Guizhou Pr Guiyang 550000 Guizhou Peoples R China;

    Sichuan Univ State Key Lab Polymer Mat Engn Polymer Res Inst Chengdu 610065 Sichuan Peoples R China;

    Guiyang Univ Univ Guizhou Prov Coll Chem &

    Mat Engn Engn Res Ctr Mat Protect Wear &

    Corros Guizhou Pr Guiyang 550000 Guizhou Peoples R China;

    Guiyang Univ Univ Guizhou Prov Coll Chem &

    Mat Engn Engn Res Ctr Mat Protect Wear &

    Corros Guizhou Pr Guiyang 550000 Guizhou Peoples R China;

    Guiyang Univ Univ Guizhou Prov Coll Chem &

    Mat Engn Engn Res Ctr Mat Protect Wear &

    Corros Guizhou Pr Guiyang 550000 Guizhou Peoples R China;

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  • 正文语种 eng
  • 中图分类 增强塑料、填充塑料;
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