环氧树脂增韧改性技术及其在航空先进复合材料中的应用  

Research progress on toughening modification technology of epoxy resin and its application in aerospace advanced composites

作　　者：鹿海军 李亚锋 张杜鹃 黄浩 LU Haijun;LI Yafeng;ZHANG Dujuan;HUANG Hao(Composite Technology Center,AVIC Beijing Aeronautical Manufacturing Technology Research Institute,Beijing 101300,China;Key Laboratory of Advanced Composites,Beijing 100095,China)

机构地区：[1]中国航空制造技术研究院复合材料技术中心,北京101300 [2]先进复合材料重点实验室,北京100095

出　　处：《复合材料科学与工程》2023年第8期121-128,共8页Composites Science and Engineering

基　　金：先进复合材料重点实验室开放课题(KF1122F2111)。

摘　　要：环氧树脂因其良好的粘接能力、介电性能和优异的工艺性能,在航空领域被广泛地用作纤维增强复合材料的基体材料。然而环氧树脂固化产物交联密度高导致的断裂韧性差的问题,限制了其在航空先进复合材料方面的应用。文章综述了超支化聚合物、热致液晶聚合物、互穿聚合物网络和纳米粒子等方法增韧环氧树脂近年来的发展,介绍了韧性环氧树脂在航空先进树脂基复合材料的应用情况,并对其发展前景进行展望。Epoxy is a widely used matrix material in aerospace field because of its good bonding ability,dielec⁃tric properties and good processing performance.However,the poor fracture toughness of curing epoxy resin caused by the high cross-linking density greatly limits its application in aerospace advanced composites.In this paper,the recent development of epoxy resin toughened by hyperbranched polymers,thermotropic liquid crystal polymer,inter⁃penetrating polymer networks and nanoparticles is reviewed,and the application in aerospace field was introduced and prospected.

关 键 词：增韧 环氧树脂 改性 复合材料 研究进展 

分 类 号：TB332[一般工业技术—材料科学与工程]