动态力学分析技术在类玻璃高分子性能表征中的应用  

Application of Dynamic Mechanical Analysis in Characterization of Vitrimers

作　　者：刘卫卫 陈宇迪 韩倚天 李亚莉 赵瑾 郭姝 邹涛 LIU Wei-wei;CHEN Yu-di;HAN Yi-tian;LI Ya-li;ZHAO Jin;GUO Shu;ZOU Tao(Institute of Analysis and Testing(Beijing Center for Physical&Chemical Analysis),Beijing Academy of Science and Technology,Beijing Key Laboratory of Organic Materials Testing Technology&Quality Evaluation,Beijing 100089,China)

机构地区：[1]北京市科学技术研究院分析测试研究所(北京市理化分析测试中心),有机材料检测技术与质量评价北京市重点实验室,北京100089

出　　处：《高分子通报》2024年第3期328-337,共10页Polymer Bulletin

基　　金：北京市自然科学基金青年项目(基金号2224102);北科院萌芽项目(项目号23CE-BGS-02)。

摘　　要：类玻璃高分子因结合了热塑性材料可塑形变的能力以及热固性材料永久定型的特征,目前在高分子研究领域备受青睐。采用动态力学分析技术可深入研究此类材料的动态黏弹性和流变行为,建立类玻璃高分子交联网络、动态键等结构与材料性能间的关系。本文重点阐述动态力学分析技术在类玻璃高分子的动态黏弹性、交联网络结构、流变行为、膨胀及形状记忆行为等方面的表征应用,为此类材料的结构设计、性能评价以及加工应用等从测试表征角度提供参考。Vitrimers are booming in macromolecule research field because of the combination of the plasticity of thermoplastic materials and the permanent properties of thermosetting materials.The dynamic viscoelastic and rheological behaviors of these materials can be studied in-depth by dynamic mechanics analysis,contributing to establishing the relationships between vitrimer structures,such as crosslinking networks and dynamic bonds,and material properties.In this short review,applications of dynamic mechanical analysis in the detection of the dynamic viscoelasticity,cross-linking network structures,rheological behavior,expansion and shape memory behavior of vitrimers are summarized,providing a reference for the structural design,performance characterization and processing applications of such materials.

关 键 词：动态力学分析 类玻璃高分子 动态黏弹性 流变行为 形状记忆 

分 类 号：TQ317[化学工程—高聚物工业]