高强韧细菌纤维素膜及块体材料

赵自强; 马琳琳; 车国俊; 范纪豪; 吴跃; 于猛; 孔胜文; 赵创奇

doi:10.11777/j.issn1000-3304.2026.26015

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高强韧细菌纤维素膜及块体材料

研究论文 | 更新时间：2026-04-15

- 高强韧细菌纤维素膜及块体材料
- High-strength and High-toughness Bacterial Cellulose Membranes and Bulk Materials
- 高分子学报 2026年页码：1-10
- 作者机构：
  
  中国科学技术大学苏州高等研究院仿生界面材料科学国家重点实验室苏州 215123
- 作者简介：
  
  E-mail: kongsw@ustc.edu.cn
- 基金信息：
  
  国家自然科学基金青年科学基金项目B类(基金号 2252200918)
- DOI：10.11777/j.issn1000-3304.2026.26015
  中图分类号：
- CSTR：32057.14.GFZXB.2026.7590
- 收稿：2026-01-21，
  
  录用：2026-03-24，
  
  网络首发：2026-04-15，
- 稿件说明：
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赵自强, 马琳琳, 车国俊, 范纪豪, 吴跃, 于猛, 孔胜文, 赵创奇. 高强韧细菌纤维素膜及块体材料. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26015.

Zhao, Z. Q.; Ma, L. L.; Che, G. J.; Fan, J. H.; Wu, Y.; Yu, M.; Kong, S. W.; Zhao, C. Q. High-strength and high-toughness bacterial cellulose membranes and bulk materials. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26015.
赵自强, 马琳琳, 车国俊, 范纪豪, 吴跃, 于猛, 孔胜文, 赵创奇. 高强韧细菌纤维素膜及块体材料. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26015. DOI： CSTR： 32057.14.GFZXB.2026.7590.

Zhao, Z. Q.; Ma, L. L.; Che, G. J.; Fan, J. H.; Wu, Y.; Yu, M.; Kong, S. W.; Zhao, C. Q. High-strength and high-toughness bacterial cellulose membranes and bulk materials. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26015. DOI： CSTR： 32057.14.GFZXB.2026.7590.

摘要

随着绿色制造与可持续材料技术的快速发展，结构工程与高端装备领域对兼具高力学性能与环境友好的结构材料提出了更高要求. 细菌纤维素(BC)因其高纯度纳米纤维网络结构、可再生及可生物降解性，在高性能材料领域展现出重要应用潜力. 然而，原生BC膜中存在的结构疏松与杂质残留问题，导致其力学性能和尺寸稳定性受限，限制了其在高强度结构材料中的进一步应用. 本工作通过优化碱处理过程，制备了高强韧的细菌纤维素薄膜，拉伸强度达到(645.50±14.70) MPa，断裂韧性达到(40.10±1.90) MJ/m

. 此外，细菌纤维素薄膜通过层压工艺可以制备成块体材料，所制备的块体材料抗弯强度可达(206.10±5.50) MPa. 这一高效的细菌纤维素制备策略为生产坚固、可生物降解的高性能生物基结构材料提供了新途径.

Abstract

With the rapid development of green manufacturing and sustainable material technologies

the fields of structural engineering and advanced equipment place increasing demands on structural materials that combine high mechanical performance with environmental friendliness. Bacterial cellulose (BC)

owing to its high-purity nanofibrous network structure

renewability

and biodegradability

has shown significant potential in high-performance materials. However

the loose network structure and residual impurities present in native BC membranes result in limited mechanical properties and poor dimensional stability

thereby restricting their further application as high-strength structural materials. In this study

high-strength and high-toughness bacterial cellulose membranes were prepared by optimizing the alkaline treatment process. The resulting BC membranes exhibited a tensile strength of (645.50±14.70) MPa and a fracture toughness of (40.10±1.90) MJ·m

-3

. Furthermore

bulk BC materials were successfully fabricated from the membranes

via

a lamination process

achieving a maximum plane-strain fracture toughness of (1.20±0.10) MPa·m

1/2

. This efficient bacterial cellulose processing strategy provides a new pathway for fab

ricating robust

biodegradable

and high-performance bio-based structural materials.

关键词

Keywords

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