EAA中丙烯酸含量对PP/EAA/LDH复合材料结构与性能的影响  

Effect of AA in EAA on structure and properties of PP/EAA/LDH composites

作　　者：杨红艳 王恋恋 张天云 Yang Hongyan;Wang Lianlian;Zhang Tianyun(College of Chemical Engineering,Guizhou University of Engineering Science,Bijie 551700,China;The Coal Chemical Engineering Collaborative Innovation Center of Guizhou Province,Guizhou University of Engineering Science,Bijie 551700,China)

机构地区：[1]贵州工程应用技术学院化学工程学院,贵州毕节551700 [2]贵州工程应用技术学院贵州省煤化工工程协同创新中心,贵州毕节551700

出　　处：《合成树脂及塑料》2024年第6期30-33,共4页China Synthetic Resin and Plastics

基　　金：贵州省教育厅项目(黔教合协同创新字[2014]08);毕节市科学技术项目(联合基金)项目(毕科联合[2023]44);大学生创新创业项目(202110668036,202210668034)。

摘　　要：研究了不同丙烯酸(AA)含量的乙烯-丙烯酸共聚物(EAA)对聚丙烯(PP)/EAA/水滑石(LDH)复合材料结构、热稳定性和动态力学性能的影响。结果表明:EAA中AA含量越高,复合材料中LDH的剥离或插层程度越高,分散越均匀;采用AA含量高的EAA制备的复合材料的热稳定性更好;EAA中AA含量越高,复合材料的损耗模量和损耗因子越高,但是储能模量低于AA含量低的复合材料。EAA中AA的含量高有利于LDH的插层和剥离,复合材料的抗冲击性能和热稳定性好。The effects of ethylene-acrylic acid copolymer(EAA)with different acrylic acid(AA)contents on the structure,thermal stability,and dynamic mechanical properties of polypropylene(PP)/EAA/hydrotalcite(LDH)composite materials were investigated.The results show that the higher the AA content of EAA is,the higher the degree of exfoliation or intercalation of LDH in the composite materials is,and the more uniform the dispersion is.The composite materials prepared with EAA with higher AA content perform better in thermal stability.The higher the AA content in EAA is,the higher the loss modulus and loss factor of the composite materials are,but the energy storage modulus of the materials is lower than that of the composite materials with low AA content.The high content of AA in EAA is beneficial for intercalation and exfoliation of LDH,improving the impact resistance and thermal stability of the composites.

关 键 词：聚丙烯 丙烯酸 剥离 动态力学性能 

分 类 号：TQ325.14[化学工程—合成树脂塑料工业]