【摘要】 液晶环氧树脂融合了液晶有序与网络交联的优点 ,是一种很有应用前景的结构和功能材料。本文合成了一种含芳香酯基液晶基元的环氧化物 -对羟基苯甲酸对苯二酚二缩水甘油醚(PHBHQ) ,研究了不同固化剂DDM、DDBA、DDS ,不同固化反应条件对液晶环氧浇铸体性能的影响 ,并采用FTIR、GPA、SEM等方法对其结构以及固化行为和固化物的形态进行了表征。结果表明该液晶环氧树脂与DDM交联聚合的网络保持了较好的液晶织态 ,聚合物具有较好的综合性能。更多还原

【Abstract】 Liquid crystalline epoxy resin is a kind of strutural and functional material with good application prospects because it combines the liguid crystal order with crth cross network advantages.Liquid crystalline epoxy with the aromatic ester mesogen-the diglycidlether of 4-hydroxyphenyl-4-hydroxybenzoate (PHBHQ)is synthesized.The effects of curing agents such as DDM、DDBA、DDS and technology on properties of liquid crystalline epoxy resin have been studied.The structre、cured behavior and cured resin morphology have been characterized by methods such as FTIR、GPC、DTA、SEM, etc.The results show that the cured liquid crystalline epoxy taking DDM as curing agent have good liquid crystalline behaviors and comprehensive property is the best.更多还原