酸性环境下环氧结构胶的老化寿命预测  

Prediction of aging life of epoxy structural adhesives in acidic environment

作　　者：高振东 洪彬 高建业[1] 纪雅 李晓琴 GAO Zhen-dong;HONG Bin;GAO Jian-ye;JI Ya;LI Xiao-qin(Tianjin University School of Mechanical Engineering,Tianjin 300072,China;Internal Combustion Engine Research Institute,Tianjin University,Tianjin 300072,China;Tianjin Tianbo Science &Technology Co.,Ltd.,Tianjin 300034,China;Tianjin Sino-German University of Applied Sciences,Tianjin 300350,China)

机构地区：[1]天津大学机械工程学院,天津300072 [2]天津大学内燃机研究所,天津300072 [3]天津天波科达科技有限公司,天津300034 [4]天津中德应用技术大学,天津300350

出　　处：《热固性树脂》2018年第6期47-50,共4页Thermosetting Resin

摘　　要：以环氧树脂和改性芳胺固化剂制备能够提高汽车轻量化水平的环氧树脂结构胶,采用真空灌胶工艺实现全程密封操作,提高环氧结构胶的性能,利用力学试验机、介质强度测试仪及玻璃化温度测试仪研究了模拟强化酸性条件环氧结构胶的耐腐蚀性能,通过OriginPro9.1数据拟合软件对实验数据拟合分析,建立环氧结构胶的老化寿命预测模型,并且对完全暴露酸雨条件下的环氧结构胶进行寿命预测。结果表明,在完全暴露在pH值5.6的酸雨条件下,环氧树脂结构胶的预测寿命可以达到6a。The epoxy resin structural adhesives that could improve the lightweight level of automobiles were prepared by the epoxy resin and modified arylamine curing agent.The vacuum encapsulation process was used to achieve the full sealing operation to improve the performance adhesives.The corrosion resistance of the epoxy structural adhesive in the simulated reinforced acidic condition were investigated by the mechanical testing machines,medium strength tester and the glass temperature tester.The experimental datas were fitted and analyzed by the Origin Pro 9.1 data fitting software to establish the epoxy structural adhesive aging life prediction model The life of epoxy structural adhesive under full exposure to acid rain was predicted and the results showed that the predicted lifetime of epoxy structural adhesive could reach six years under the condition of full exposure to acid rain with a pH value of 5.6.

关 键 词：环氧结构胶粘剂 汽车轻量化 酸雨 老化寿命预测 

分 类 号：TQ323.5[化学工程—合成树脂塑料工业]