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首页> 外文期刊>Journal of Applied Polymer Science >Enhancing flame retardant and antistatic properties of polyamide 6 by a grafted multiwall carbon nanotubes
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Enhancing flame retardant and antistatic properties of polyamide 6 by a grafted multiwall carbon nanotubes

机译：通过接枝多壁碳纳米管增强聚酰胺6的阻燃性和抗静电性能

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摘要

In order to improve the flame retardancy and antistatic properties of polyamide 6 (PA6) at as low amount of additives as possible, an integrated-functional additive was synthesized by 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and multiwalled carbon nanotubes (MWCNTs). The results showed 2 wt% of DOPO-MWCNTs distributed in PA6 formed an electric network and decreased volume resistivity sharply to 3.1 x 10(8) omega cm. In other words, it helped PA6 to get to the percolation threshold of semiconductor. By using of 3 wt% DOPO-MWCNTs, the severe dripping in burning of PA6 was almost controlled. The possible reason was also ascribed to the network formed by evenly dispersed DOPO-MWCNTs, which strengthened the char structure and held severe dripping of PA6. As a result, the heat and smoke release were also suppressed obviously. The most important is that CO release was about half cut in CONE test.
机译：为了在尽可能低的添加剂用量下提高聚酰胺6（PA6）的阻燃性和抗静电性能，以9,10-二氢-9-氧杂-10-磷菲-10-氧化物（DOPO）和多壁碳纳米管（MWCNTs）为原料合成了一种综合功能添加剂。结果表明，2 wt%的DOPO多壁碳纳米管分布在PA6中形成了一个电网络，体积电阻率急剧下降至3.1 x 10（8）Ωcm。换句话说，它帮助PA6达到了半导体的渗流阈值。通过使用3 wt%的DOPO MWCNTs，PA6燃烧过程中的严重滴落几乎得到了控制。可能的原因还归因于均匀分散的DOPO MWCNTs形成的网络，这加强了炭结构，并保持了PA6的严重滴落。因此，热量和烟雾释放也受到明显抑制。最重要的是，在锥形试验中，CO释放量约为一半。

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  • 来源
    《Journal of Applied Polymer Science》 |2021年第12期|共11页
  • 作者

    Xue Boqiong; Li Yuchun; Guo Jia; Sun Jun; Liu Xiaodong; Li Hongfei; Gu Xiaoyu; Zhang Sheng; Jiang Shengling; Zhang Zhiyuan;

  • 作者单位

    Beijing Univ Chem Technol State Key Lab Organ Inorgan Composites Beijing Peoples R China;

    Beijing Univ Chem Technol State Key Lab Organ Inorgan Composites Beijing Peoples R China;

    State Key Lab Special Funct Waterproof Mat Beijing Peoples R China;

    Beijing Univ Chem Technol State Key Lab Organ Inorgan Composites Beijing Peoples R China;

    Beijing Univ Chem Technol State Key Lab Organ Inorgan Composites Beijing Peoples R China;

    Beijing Univ Chem Technol State Key Lab Organ Inorgan Composites Beijing Peoples R China;

    Beijing Univ Chem Technol State Key Lab Organ Inorgan Composites Beijing Peoples R China;

    Beijing Univ Chem Technol State Key Lab Organ Inorgan Composites Beijing Peoples R China;

    Beijing Univ Chem Technol Key Lab Carbon Fiber &

    Funct Polymers Minist Educ Beijing Peoples R China;

    Beijing Univ Chem Technol Key Lab Carbon Fiber &

    Funct Polymers Minist Educ Beijing Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 高分子化合物工业（高聚物工业）;
  • 关键词

    composites; flame retardance; grafting; polyimides;

    机译：复合材料;阻燃;嫁接;聚酰亚胺;

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