纳米纤维素的制备及其高强度透明薄膜性能调控

李崚湾; 张博; 刘芷苡; 龚嘉瑜; 王亚琴; 曹鹏飞

doi:10.11687/j.issn1003-3726.2026.26280

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纳米纤维素的制备及其高强度透明薄膜性能调控

教育与教学 | 更新时间：2026-10-29

- 纳米纤维素的制备及其高强度透明薄膜性能调控
- Preparation and Investigation of High-strength and Transparent Nanocellulose Films
- 高分子通报 2026年页码：1-11
- 作者机构：
  
  北京化工大学材料科学与工程学院　有机无机复合材料全国重点实验室　　北京 100029
- 作者简介：
  
  李崚湾，E-mail: lengwan.li@buct.edu.cn
  曹鹏飞，E-mail: caopf@buct.edu.cn
- 基金信息：
  
  新材料重大专项项目资助(项目号 2025ZD0618702)；中央高校基本科研业务费专项(项目号 buctrc202501)
- DOI：10.11687/j.issn1003-3726.2026.26280
  中图分类号：
- 收稿：2026-06-03，
  
  录用：2026-07-04，
  
  纸质出版：2026-10
- 稿件说明：
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李崚湾, 张博, 刘芷苡, 龚嘉瑜, 王亚琴, 曹鹏飞. 纳米纤维素的制备及其高强度透明薄膜性能调控. 高分子通报

Li, L. W.; Zhang, B.; Liu, Z. Y.; Gong, J. Y.; Wang, Y. Q.; Cao, P. F. Preparation and investigation of high-strength and transparent nanocellulose films. Polymer Bulletin (in Chinese
李崚湾, 张博, 刘芷苡, 龚嘉瑜, 王亚琴, 曹鹏飞. 纳米纤维素的制备及其高强度透明薄膜性能调控. 高分子通报 DOI： 10.11687/j.issn1003-3726.2026.26280.

Li, L. W.; Zhang, B.; Liu, Z. Y.; Gong, J. Y.; Wang, Y. Q.; Cao, P. F. Preparation and investigation of high-strength and transparent nanocellulose films. Polymer Bulletin (in Chinese DOI： 10.11687/j.issn1003-3726.2026.26280.

摘要

为响应国家鼓励发展绿色可持续高分子材料，加强高分子创新人才培养的号召，将纳米纤维素基透明高强度材料前沿研究引入本科教学，设计了包含纳米纤维素的化学合成、薄膜加工和表征测试等领域交叉的综合性实验。通过预氧化实验制备纤维素纳米纤维(CNFs)分散液，进而通过溶液浇筑及热加工制备CNFs薄膜，研究NaClO添加量和添加速率对CNFs薄膜光学与力学性能的影响规律。通过红外光谱、电导滴定对CNFs进行定性和定量分析；通过原子力显微镜、万能试验机和紫外–可见光分光光度计对样品进行结构表征和性能测试。该实验涵盖CNFs化学合成、光学薄膜加工成型、纳米纤维结构表征及性能测试，兼具科研性和实践价值，运用到本科高年级开设的“前沿高分子课程”，有助于激发学生科研兴趣、培养学术思维和创新能力。

Abstract

In the present study

we incorporated nanocellulose-based transparent high-strength materials into undergraduate education by designing comprehensive experiments

including the synthesis of nanocellulose

fabrication of films

and characterization testing

providing students with practical experience in green and sustainable polymeric materials

strengthening their understanding of innovative material design and development

and also matching the national development policy. Cellulose nanofibers (CNFs) dispersions were prepared through pre-oxidation experiments

followed by the fabrication of CNF films

via

solution casting and hot press processing. The present study investigated the effects of NaClO content and its drop rate on the optical and mechanical properties of CNF films. Qualitative and quantitative analyses of CNFs were performed using infrared spectroscopy and conductometric titration

respectively. Structure characterization and properties testing experiments were conducted using atomic force microscopes

universal testing machines

and UV-Vis spectrophotometers. The integrated experiments including CNFs synthesis

film processing and fabrication

characterization of nanofiber structures and investigation of the

properties. The present study combines both scientific research and practical value

which is incorporated into the “Frontiers in Polymer Science” course offered to senior undergraduate students

helping to stimulate students' interest in scientific research and cultivate their academic thinking and innovative abilities.

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references

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