文献类型：期刊文献

中文题名：基于动态共价交联化学的可回收生物基高分子研究进展

英文题名：Progress in recyclable bio-based polymers based on dynamic covalent cross-linking chemistry

作者：张顺文[1];朱云卿[1];杜建忠[1,2]

机构：[1]华东理工大学材料科学与工程学院,上海200237;[2]同济大学材料科学与工程学院高分子材料系,先进土木工程材料教育部重点实验室,上海201804

年份：2026

卷号：56

期号：3

起止页码：813

中文期刊名：中国科学:化学

外文期刊名：SCIENTIA SINICA Chimica

收录：;北大核心:【北大核心2023】；

基金：国家自然科学基金(编号: 22335005, 22575176, 22175131);上海市教育委员会科研创新计划(编号: 2023ZKZD28)资助项目。

语种：中文

中文关键词：类玻璃高分子;生物基;动态共价键;可回收

外文关键词：vitrimer;bio-based;dynamic covalent bonds;recyclable

摘要：本文系统总结了基于动态共价化学的可回收生物基高分子材料的研究进展. 首先介绍了类玻璃高分子(vitrimer)的基本概念及其在热塑性与热固性材料之间的桥梁作用, 阐述了动态共价键在实现材料自修复、可再加工、形状记忆和闭环回收等功能中的关键机制. 随后, 归纳了各类动态共价键在生物基高分子中的设计理念与应用领域, 包括其结构特性、响应机制及性能优势, 并详细讨论了双动态网络策略在提升材料综合性能方面的前沿进展. 进一步地, 总结了该类材料在形状记忆聚合物、高性能塑料、聚合物膜、3D打印、黏合剂及生物医用材料等领域的实际应用案例. 最后, 对当前研究面临的挑战进行了分析, 并展望了未来发展方向.
Presented in this review is the progress in the field of recyclable bio-based polymer materials based on dynamic covalent chemistry.It begins by introducing the fundamental concept of vitrimers and their role as a bridge between thermoplastic and thermosetting materials,elucidating the key mechanisms by which dynamic covalent bonds enable functionalities such as self-healing,reprocessability,shape memory,and closed-loop recycling.Subsequently,the design principles and application fields of various dynamic covalent bonds in bio-based polymers are summarized,including their structural characteristics,response mechanisms,and performance advantages,with a detailed discussion on cutting-edge developments in dual dynamic network strategies for enhancing comprehensive material properties.Furthermore,practical application cases of such materials in areas including shape memory polymers,high-performance plastics,polymer membranes,three-dimensional(3D)printing,adhesives,and biomedical materials are reviewed.Finally,the current research challenges are analyzed,and future development directions are outlooked.