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Fabricating strong and tough aramid fibers by small addition of carbon nanotubes

Author

Listed:
  • Jiajun Luo

    (Peking University
    Beijing Graphene Institute (BGI))

  • Yeye Wen

    (Peking University
    Beijing Graphene Institute (BGI))

  • Xiangzheng Jia

    (Wuhan University)

  • Xudong Lei

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Zhenfei Gao

    (Beijing Graphene Institute (BGI))

  • Muqiang Jian

    (Beijing Graphene Institute (BGI))

  • Zhihua Xiao

    (Peking University
    Beijing Graphene Institute (BGI))

  • Lanying Li

    (China Bluestar Chengrand Chemical Co., Ltd)

  • Jiangwei Zhang

    (Inner Mongolia University)

  • Tao Li

    (Beijing Graphene Institute (BGI))

  • Hongliang Dong

    (Center for High Pressure Science and Technology Advanced Research)

  • Xianqian Wu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Enlai Gao

    (Wuhan University)

  • Kun Jiao

    (Peking University
    Beijing Graphene Institute (BGI))

  • Jin Zhang

    (Peking University
    Beijing Graphene Institute (BGI))

Abstract

Synthetic high-performance fibers present excellent mechanical properties and promising applications in the impact protection field. However, fabricating fibers with high strength and high toughness is challenging due to their intrinsic conflicts. Herein, we report a simultaneous improvement in strength, toughness, and modulus of heterocyclic aramid fibers by 26%, 66%, and 13%, respectively, via polymerizing a small amount (0.05 wt%) of short aminated single-walled carbon nanotubes (SWNTs), achieving a tensile strength of 6.44 ± 0.11 GPa, a toughness of 184.0 ± 11.4 MJ m−3, and a Young’s modulus of 141.7 ± 4.0 GPa. Mechanism analyses reveal that short aminated SWNTs improve the crystallinity and orientation degree by affecting the structures of heterocyclic aramid chains around SWNTs, and in situ polymerization increases the interfacial interaction therein to promote stress transfer and suppress strain localization. These two effects account for the simultaneous improvement in strength and toughness.

Suggested Citation

  • Jiajun Luo & Yeye Wen & Xiangzheng Jia & Xudong Lei & Zhenfei Gao & Muqiang Jian & Zhihua Xiao & Lanying Li & Jiangwei Zhang & Tao Li & Hongliang Dong & Xianqian Wu & Enlai Gao & Kun Jiao & Jin Zhang, 2023. "Fabricating strong and tough aramid fibers by small addition of carbon nanotubes," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-38701-4
    DOI: 10.1038/s41467-023-38701-4
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    References listed on IDEAS

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    1. Shuchen Zhang & Lixing Kang & Xiao Wang & Lianming Tong & Liangwei Yang & Zequn Wang & Kuo Qi & Shibin Deng & Qingwen Li & Xuedong Bai & Feng Ding & Jin Zhang, 2017. "Arrays of horizontal carbon nanotubes of controlled chirality grown using designed catalysts," Nature, Nature, vol. 543(7644), pages 234-238, March.
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