玻纤织物/3068环氧树脂复合材料性能研究  

Study on Properties of 3068 Epoxy Resin Composites Reinforced by Glass Fiber

作　　者：嵇培军[1] 欧秋仁[1] 柳琼燕[2] 赵亮[1] 

机构地区：[1]航天特种材料及工艺技术研究所,北京100074 [2]北京机电工程研究所,北京100074

出　　处：《高科技纤维与应用》2010年第6期43-45,50,共4页Hi-Tech Fiber and Application

摘　　要：采用流变仪、凝胶时间测试仪和DMA法研究了3068改性环氧树脂的流变性能、凝胶时间和玻璃化转变温度,结果表明,3068树脂在70～125℃粘度约为70Pa·s,80℃下凝胶时间达到160min,玻璃化转变温度为159.3℃,常温和70℃下复合材料具有良好的力学性能,经湿热试验处理后复合材料吸水率为0.96%,力学性能保持率>75%。Rheodynamics,gel time and glass transition temperature of 3068 modified epoxy resin were studied with rheometer,gel timer and DMA and showed in this paper.Its viscosity is about 70Pa.s at temperature range from 70 ℃ to 125℃,its gel time is 160minutes at 80 ℃ and glass transition temperature is 159.3 ℃.It has high mechanical properties at room temperature and 70 ℃.Moisture content and mechanical properties ratio of 3068 epoxy resin composites reinforced by glass yarns after hygrothermal aging experiments are 0.96% and larger than 75%,respectively.

关 键 词：环氧树脂 复合材料 湿热试验 吸水率 力学性能 

分 类 号：TB332[一般工业技术—材料科学与工程]