RTM工艺用室温可固化环氧树脂体系性能研究  

Study on Properties of Room Temperature-Curable Epoxy Resins

作　　者：樊虎[1,2] 杜瑞奎[1,2] 王智[1,2] 赵贵哲[1,2] 张彦飞[1,2] 

机构地区：[1]山西省高分子复合材料工程技术研究中心,太原030051 [2]中北大学材料科学与工程学院,太原030051

出　　处：《工程塑料应用》2016年第4期35-38,共4页Engineering Plastics Application

基　　金：山西省科技创新项目(2009101004)

摘　　要：选取了三种低黏度且可以室温固化的环氧树脂体系：QC350A/B,1564/HY3487,EV6620/HVC188,表征了树脂体系的流变性能、室温固化固化度及固化物弯曲性能.结果表明：三种环氧树脂体系在20～50℃有适于树脂传递模塑（RTM） 工艺的低黏度操作平台;室温固化2 周内固化度可达到90%,可以完成室温固化;室温固化21 d弯曲强度与高温后处理试样相当,弯曲弹性模量优于高温后处理试样,室温固化能够满足使用性能要求.Three room temperature-curable epoxy candidate resins with low viscosity:QC350A/B,1564/HY3487,EV6620/HVC188 were characterized for rheological properties,degree of cure for different time in room temperature and room temperature cured flexural properties. The results indicate that three epoxy resins exhibite a long-term stable resin transfer moulding operating platform in 20-50℃. The degree of cure reach 90%after been cured at room temperature for different elapsed times. The flexural strength of samples cured at room temperature for twenty-one days is comparable to the samples cured at higher temperature. The flexural modulus of samples cured at room temperature for twenty-one days is superior to the samples cured at higher temperature. So the mechanical properties of candidate resins cured at room temperature met the requirements when used as structural parts.

关 键 词：室温固化 流变性能 固化度 弯曲性能 

分 类 号：TQ323.5[化学工程—合成树脂塑料工业]