E-玻纤/环氧树脂预浸料固化动力学及其动态热力学性能  

Curing kinetic and dynamic thermodynamicproperties of E-glass fiber/epoxy resin prepreg

作　　者：张成林 董抒华[1] 李丽君[2] 田龙雨 谭洪生[1] ZHANG Cheng-lin;DONG Shu-hua;LI Li-jun;TIAN Long-yu;TAN Hong-sheng(College of Materials Science and Engineering,Shandong University of Technology,Zibo 255049,Shandong,China;College of Transportation and Vehicle Engineering,Shandong University of Technology,Zibo 255049,Shandong,China)

机构地区：[1]山东理工大学材料科学与工程学院,山东淄博255049 [2]山东理工大学交通与车辆工程学院,山东淄博255049

出　　处：《材料工程》2020年第9期152-157,共6页Journal of Materials Engineering

基　　金：国家自然科学基金(51505261);淄博市校城融合发展计划项目(2018ZBXC005)。

摘　　要：为得到E-玻纤/环氧树脂预浸料的固化反应温度参数,对该预浸料进行DSC分析,利用Kissinger和Crane方程求得该预浸料的唯象型n级反应固化动力学参数,并通过T-β外推法得出了该预浸料的最佳固化温度,建立了预浸料的唯象固化动力学模型。采用模压工艺制得单层板及[0]10层合板,通过动态热机械分析仪(DMA)研究层合板的动态热力学性能。结果表明:该预浸料的固化反应表观活化能为87.8 kJ/mol,反应级数为0.93;层合板的玻璃化转变温度T g为130~133℃,[0]10层合板的损耗因子tanδ高于单层板。In order to obtain the curing reaction temperature parameters of E-glass fiber/epoxy resin prepreg,DSC was carried out.Kissinger and Crane equations were used to obtain the phenomenological n th-order reaction curing kinetic parameters of the prepreg.The optimal curing temperature of the prepreg was obtained by T-βextrapolation method,and the phenomenological curing kinetic model of the prepreg was established.Monolayer board and laminate of[0]10 were prepared by molding process.The dynamic thermodynamic properties of the prepreg were studied by dynamic mechanical analysis(DMA).The results show that the apparent activation energy and the reaction order of the prepreg are 87.8 kJ/mol and 0.93,respectively.The glass transition temperature T g of the laminates is 130-133℃.The loss factor tanδof[0]10 laminate is higher than that of monolayer board.

关 键 词：固化动力学 预浸料 玻纤/环氧树脂 动态热力学 

分 类 号：TB332[一般工业技术—材料科学与工程]