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Flexible cement fibers with high toughness and water-activated setting behavior for construction

Author

Listed:
  • Kunkun Zhu

    (Wuhan Textile University
    Wuhan Textile University)

  • Yaoting Liang

    (Wuhan Textile University)

  • Jingjing Yuan

    (Wuhan Textile University)

  • Hao Yu

    (Wuhan Textile University)

  • Liquan Jiang

    (Wuhan Textile University)

  • Jinfeng Wang

    (Wuhan Textile University)

  • Jinming Zhang

    (Chinese Academy of Sciences (CAS))

  • Jun Zhang

    (Chinese Academy of Sciences (CAS))

  • Dengpeng Song

    (Wuhan Textile University)

  • Liangjun Xia

    (Wuhan Textile University)

  • Xiaofang Zhang

    (Wuhan Textile University)

  • Weilin Xu

    (Wuhan Textile University)

Abstract

Brittle fracture and facile crack initiation present significant challenges for the toughening and processing of cementitious composites. In this work, the continuous and large-scale fabrication of cement-based fiber is enabled by cellulose-assisted wet spinning strategy, during which cement grains are in-situ implanted into porous cellulose matrix. The subsequent hydration process induces the in-situ formation of a hard continuous network which interconnects with the flexible porous cellulose skeleton, leading an interpenetrating dual-network architecture formed within the resulting cellulose-supported cement-based (CSC) fibers. This architecture provides simultaneous mechanical strength and toughness. Moreover, the resulting CSC fibers exhibit hydration-enabled manufacturability and can be woven into fabrics. The CSC fiber fabric demonstrates high toughness and impact resistance, lightweight properties, low thermal conductivity, and great water-resistance, holding significant potential for applications in thermal insulation, seismic high-rise buildings, and durable construction materials.

Suggested Citation

  • Kunkun Zhu & Yaoting Liang & Jingjing Yuan & Hao Yu & Liquan Jiang & Jinfeng Wang & Jinming Zhang & Jun Zhang & Dengpeng Song & Liangjun Xia & Xiaofang Zhang & Weilin Xu, 2025. "Flexible cement fibers with high toughness and water-activated setting behavior for construction," Nature Communications, Nature, vol. 16(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-61855-2
    DOI: 10.1038/s41467-025-61855-2
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    References listed on IDEAS

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    1. Singh, Aditya Kumar & Rathore, Pushpendra Kumar Singh & Sharma, R.K. & Gupta, Naveen Kumar & Kumar, Rajan, 2023. "Experimental evaluation of composite concrete incorporated with thermal energy storage material for improved thermal behavior of buildings," Energy, Elsevier, vol. 263(PA).
    2. Luca Caruso & Vincent M. Buhagiar & Simon P. Borg, 2023. "The Double C Block Project: Thermal Performance of an Innovative Concrete Masonry Unit with Embedded Insulation," Sustainability, MDPI, vol. 15(6), pages 1-19, March.
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