摘要
采用端羧基液体丁腈橡胶(CTBN)增韧环氧树脂,制备了双组分室温固化环氧结构胶。利用傅里叶变换红外光谱仪(FTIR)、微机控制万能材料试验机及扫描电镜(SEM)对固化过程、固化产物剪切强度及固化产物微观形态进行了表征。该胶树脂甲组分的最佳制备条件如下:环氧树脂与CTBN的质量比8∶1,反应温度200℃,保温时间2.5 h。该胶在室温下固化24 h,室温剪切强度可达29.24 MPa,耐介质性能良好,CTBN改性环氧树脂增韧效果显著。
Two-component liquid carboxyl terminated nitrile rubber(CTBN) modified epoxy adhesive was prepared in room temperature.The curing progress,shear strength and micrograph of the adhesives were tested by fourier transform infrared spectroscopy(FTIR),universal testing machine and scanning electronic microscope(SEM).The optium preparation conditions of resin component were as follows:weight ratio of epoxy resin to CTBN 8∶1,reaction temperature 200 ℃,reaction time 2.5 h.The results showed shear strength of the ad...
出处
《热固性树脂》
CAS
CSCD
2008年第2期33-36,共4页
Thermosetting Resin
基金
建设部“耐高温建筑结构胶的研制及应用”项目资助(03-2-019)
关键词
端羧基液体丁腈橡胶
改性
环氧树脂
结构胶
the liquid carboxyl terminated nitrile rubber
modification
epoxy resin
structural adhesive
