可自修复生物基聚芳醚酮的制备与性能研究

王晴; 李战胜; 丁子淳; 焦健健; 宗立率; 王锦艳; 蹇锡高

doi:10.11777/j.issn1000-3304.2025.25073

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可自修复生物基聚芳醚酮的制备与性能研究

研究论文 | 更新时间：2025-07-02

- 可自修复生物基聚芳醚酮的制备与性能研究
- Preparation and Properties of Self-healing Bio-based Polyaryletherketones
- 高分子学报 2025年页码：1-14
- 作者机构：
  
  大连理工大学高分子材料系大连 116024
- 作者简介：
  
  E-mail: wangjinyan@dlut.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2025.25073
  中图分类号：
- CSTR：32057.14.GFZXB.2025.7416
- 收稿日期：2025-03-14，
  
  录用日期：2025-05-11，
  
  网络出版日期：2025-07-02，
- 稿件说明：
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王晴, 李战胜, 丁子淳, 焦健健, 宗立率, 王锦艳, 蹇锡高. 可自修复生物基聚芳醚酮的制备与性能研究. 高分子学报, doi: 10.11777/j.issn1000-3304.2025.25073

Wang, Q.; Li, Z. S.; Ding, Z. C.; Jiao, J. J.; Zong, L. S.; Wang, J. Y.; Jian, X. G. Preparation and properties of self-healing bio-based polyaryletherketones. Acta Polymerica Sinica, doi: 10.11777/j.issn1000-3304.2025.25073
王晴, 李战胜, 丁子淳, 焦健健, 宗立率, 王锦艳, 蹇锡高. 可自修复生物基聚芳醚酮的制备与性能研究. 高分子学报, doi: 10.11777/j.issn1000-3304.2025.25073 DOI： CSTR： 32057.14.GFZXB.2025.7416.

Wang, Q.; Li, Z. S.; Ding, Z. C.; Jiao, J. J.; Zong, L. S.; Wang, J. Y.; Jian, X. G. Preparation and properties of self-healing bio-based polyaryletherketones. Acta Polymerica Sinica, doi: 10.11777/j.issn1000-3304.2025.25073 DOI： CSTR： 32057.14.GFZXB.2025.7416.

摘要

生物基高分子材料具有环境友好、原料可再生以及低碳排放等优点，符合可持续发展的目标. 本研究通过分子结构设计了一种主链含动态席夫碱键的生物基聚芳醚酮树脂(PVFEKKs)，赋予其自修复功能. 以香草醛与4

4'-二氨基二苯醚合成双席夫碱单体(VODA)，与2

5-二(4-氟苯甲酰基)呋喃(BFBF)通过亲核取代反应合成了主链含双席夫碱结构的PVFEKKs树脂. 红外光谱(FTIR)和氢核磁共振谱(

H-NMR)证明了树脂结构与预期设计一致；通过测试表明，PVFEKKs具有良好的机械性能，

最高可达160 ℃，800 ℃残炭率为66.4%，高残炭率得益于席夫碱在高温下形成的炭层；双席夫碱动态结构的引入赋予材料自修复功能，刚性结构在温和条件下进行修复后，力学性能恢复超过90%，解决了材料强度与自修复之间的矛盾. 该工作为开发可持续、耐高温、可自修复的高性能工程塑料提供了新策略.

Abstract

Bio-based polymeric materials have the advantages of environmentally friendly

renewable raw materials and low carbon emission

which are in line with the goal of sustainable development. In this study

bio-based poly(aryl ether ketone) resins (PVFEKKs) containing dynamic Schiff base bonds in the main chain were designed through molecular structure

endowing it with self-healing function. Vanillin and 4

4'-diaminodiphenyl ether were used to synthesize a bis-Schiff base monomer (VODA)

and the PVFEKKs resin containing a bis-Schiff base structure in the main chain was synthesized

via

nucleophilic substitution reaction with 2

‍5-bis(4-fluorobenzoyl)furan (BFBF). Infrared spectroscopy (IR) and hydrogen nuclear magnetic resonance (

H-NMR) proved that the structure of the resin was consistent with the expected design; Dynamic mechanics analysis (DMA) and mechanical tests showed that the PVFEKKs had good mechanical properties; spectroscopy Differential Scanning Calorimetry (DSC) and thermogravimetric analysis (TGA) tests showed that the

of the PVFEKKs resin could reach up to 160 ℃

and the residual carbon rate at 800 ℃ was 66.4%

which was attributed to the formation of a carbon layer by the Schiff bases at elevated temperatures; the introduction of the dynamic structure of the bis-Schiff bases endowed the material with a self-healing function

and the rigid structure could be utilized in a mild condition for the self-healing function of the material. The introduction of the dynamic structure of the bis-Schiff base gives the material a self-healing function

and the rigid structure recovers more than 90% of its mechanical properties after repairing under mild conditions

which solves the contradiction between material strength and self-healing. This work provides a new strategy for the development of sustainable

hig

h-temperature resistant and self-healing high-performance engineering plastics.

关键词

Keywords

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