Preparation and Property Investigation of Polybenzimidazole Nanofiber Membranes <italic style="font-style: italic">via</italic> Electrospinning

FAN Ya-lin; CHEN Gang; LIU Yong

doi:10.14028/j.cnki.1003-3726.2025.25.243

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Preparation and Property Investigation of Polybenzimidazole Nanofiber Membranes via Electrospinning

更新时间：2025-12-05

- Preparation and Property Investigation of Polybenzimidazole Nanofiber Membranes via Electrospinning
- Polymer Bulletin Vol. 38, Issue 12, Pages: 1826-1834(2025)
- 作者机构：
  
  1.北京化工大学材料科学与工程学院，北京 100029
  2.西安交通大学电子与信息学部电子科学与工程学院，西安 710049
  3.山东正熵能源科技有限公司，诸城 262200
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2025.25.243
  CLC：
- Received：27 August 2025，
  
  Accepted：26 September 2025，
  
  Published Online：05 November 2025，
  
  Published：20 December 2025
- 稿件说明：
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范亚霖, 陈刚, 刘勇. 静电纺丝制备聚苯并咪唑纳米纤维膜及其性能研究. 高分子通报, 2025, 38(12), 1826–1834.

Fan, Y. L.; Chen, G.; Liu, Y. Preparation and property investigation of polybenzimidazole nanofiber membranes via electrospinning. Polym. Bull. (in Chinese), 2025, 38(12), 1826–1834.
范亚霖, 陈刚, 刘勇. 静电纺丝制备聚苯并咪唑纳米纤维膜及其性能研究. 高分子通报, 2025, 38(12), 1826–1834. DOI： 10.14028/j.cnki.1003-3726.2025.25.243.

Fan, Y. L.; Chen, G.; Liu, Y. Preparation and property investigation of polybenzimidazole nanofiber membranes via electrospinning. Polym. Bull. (in Chinese), 2025, 38(12), 1826–1834. DOI： 10.14028/j.cnki.1003-3726.2025.25.243.

摘要

聚苯并咪唑(PBI)具有优异的高温稳定性和化学稳定性，可溶于

-二甲基乙酰胺(DMAc)、

-二甲基甲酰胺(DMF)等强极性溶液。以PBI为溶质、DMAc为溶剂配制不同浓度的纺丝液，通过静电纺丝法一步合成聚苯并咪唑纳米纤维，并对该纳米纤维膜进行表征与性能测试，探究PBI纺丝液中溶质质量分数对纤维形貌的影响机制及性能特点。结果表明：所制备纤维膜平均厚度为0.034 mm，具有良好的柔韧性，并且具有50 MPa以上的抗拉伸强度，耐高温温度高达485.6 ℃，在室温下的热导率仅为0.0709 W/(m·K)，表明其具有优异的耐高温性能，可应用于防护服、航空航天等隔热领域。

Abstract

Polybenzimidazole (PBI) exhibits excellent high-temperature stability and chemical resistance

and is soluble in strongly polar solvents such as

-dimethylacetamide (DMAc) and

-dimethyl-formamide (DMF). Spinning solutions with varying PBI concentrations were prepared using PBI as the solute and DMAc as the solvent. Polybenzimidazole nanofibers were synthesized in one step

via

electrospinning. The resulting nanofiber membranes were characterized and tested to investigate the influence of PBI mass fraction in the spinning solution on the strength exceeding 50 MPa. Their high-temperature resistance reached 485.6 ℃

and the thermal conductivity at room temperature was only 0.0709 W/(m·K)

indicating outstanding high-temperature performance. These properties make the membranes suitable for applications in thermal insulation fields

such as protective clothing and aerospace.

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Preparation and Property Investigation of Polybenzimidazole Nanofiber Membranes via Electrospinning

DOI：10.14028/j.cnki.1003-3726.2025.25.243

摘要

Abstract

关键词

Keywords

references