摘要
研究了一种含二氮杂萘酮结构耐热型环氧固化剂 ,与低分子质量聚酰胺复合使用得到的环氧胶粘剂具有良好的耐热性 ,固化工艺为 140℃ / 2h +180℃ / 3h ,15 0℃有 2 5MPa以上的拉伸剪切强度 ,以及极好的高温保持率 ,可达到 10 0 %。详细研究了表面处理方式和固化工艺对其在常温和 15
A novel heat resistant epoxy resin adhesive containing two curing agents was investigated. The main curing agent is 4(4-hydroxyphenyl)-1-phthalazinone(DHPZ) and the another is polyamide with low molecular weight (H-4).The structure of phthalazinone gives the adhesive a good heat resistant properties and good shear strength at 150 ℃.The ideal weight ratios of the adhesive was m (E44)∶ m (DHPZ)∶ m (H-4)=100∶40∶20,which was proved by IR spectrum and shear strength data.The effects of the surface treatment,the curing time and temperature,and the speading number on the shear strength were studied.
出处
《粘接》
CAS
2002年第3期1-3,共3页
Adhesion
基金
国家自然科学基金资助项目 ( 5 947390 1)
