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<p>Advanced fiber paper-based functional materials (AFPFMs) are manufactured from aramid fibers, polyimide fibers, carbon fibers and inorganic high-performance fibers through wet-laid forming, which have&#xa0;overcome the inherent performance limitations of conventional plant fiber paper. These porous sheet composites serve as strategic core materials for aerospace, rail transit, national defense, and new energy sectors, arousing growing global research interest. Distinct from traditional papermaking, AFPFM manufacturing relies on an integrated technical chain covering fiber modification, slurry tuning, forming regulation, and post-treatment; yet, it confronts a series of fundamental and engineering challenges. This review first elaborates core wet-forming theories, and systematically clarifies intrinsic correlations between fiber morphology manipulation, surface functionalization, slurry rheology and macro-micro paper performances. Four representative AFPFM systems are then discussed to summarize their structure–function design principles and practical application scenarios. Furthermore, a multi-dimensional evaluation framework for fiber slurries and final paper products is established. Critical industrialization barriers are highlighted, including inconsistent batch quality, insufficient precision fabrication and weak translation from laboratory findings to large-scale production. By constructing a full-spectrum analytical system spanning fiber raw materials to advanced functional applications, this review offers a holistic theoretical and technical reference for relevant researchers and industrial practitioners.</p> Graphical Abstract <p></p>

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Advanced Fiber Paper-Based Functional Materials: From Fiber Engineering, Wet‑Forming Mechanism, and Structure–Function Integration to Emerging Applications

  • 期刊论文

  • 发表日期：

    2026年8月1日

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  • Fengfeng Jia,
  • Haojian Shen,
  • Ting Sun,
  • Hongfei Zou,
  • Ruixue Pang,
  • Jingru Zhang,
  • Zizhan Guo,
  • An Du,
  • Li Hua,
  • Zhaoqing Lu

摘要

Advanced fiber paper-based functional materials (AFPFMs) are manufactured from aramid fibers, polyimide fibers, carbon fibers and inorganic high-performance fibers through wet-laid forming, which have overcome the inherent performance limitations of conventional plant fiber paper. These porous sheet composites serve as strategic core materials for aerospace, rail transit, national defense, and new energy sectors, arousing growing global research interest. Distinct from traditional papermaking, AFPFM manufacturing relies on an integrated technical chain covering fiber modification, slurry tuning, forming regulation, and post-treatment; yet, it confronts a series of fundamental and engineering challenges. This review first elaborates core wet-forming theories, and systematically clarifies intrinsic correlations between fiber morphology manipulation, surface functionalization, slurry rheology and macro-micro paper performances. Four representative AFPFM systems are then discussed to summarize their structure–function design principles and practical application scenarios. Furthermore, a multi-dimensional evaluation framework for fiber slurries and final paper products is established. Critical industrialization barriers are highlighted, including inconsistent batch quality, insufficient precision fabrication and weak translation from laboratory findings to large-scale production. By constructing a full-spectrum analytical system spanning fiber raw materials to advanced functional applications, this review offers a holistic theoretical and technical reference for relevant researchers and industrial practitioners.

Graphical Abstract