摘要
用双马来酰亚胺与环氧树脂进行共聚制得预聚体,并用预聚体改性酚醛树脂,通过综合热分析进行性能表征,可以得到其最高分解温度为526.8℃。根据双马来酰亚胺改性酚醛树脂热重微分曲线的特点,把树脂的热解过程分为2个阶段,用Kissinger法求其总的活化能,并用峰值分析法对每个阶段分别建模,通过分析表明,该模型可以很好地描述双马来酰亚胺改性酚醛树脂的热解过程。
Phenolic resin was modified by propolymer, which was made of bismaleimide copolymerized with epoxy resin. Its properties were characterized by comprehensive thermal analysis, and the heat decomposition temperature came up to 526.8 ℃. A peak separation was performed to separate the thermal decomposition into two stages according to the characteristic of the experimental differential mass loss curve. The total activation energy was obtained by the method of Kissinger, and kinetic parameters for each stage were determined using peak analysis method. The study results showed that the decomposition kinetic modal could accurately describe the decomposition process of phenolic resin modified by bismaleimide.
出处
《武汉理工大学学报》
CAS
CSCD
北大核心
2009年第20期4-7,共4页
Journal of Wuhan University of Technology
基金
军工项目(200501YB07)
关键词
酚醛树脂
双马来酰亚胺
降解动力学
耐热性
phenolic resin
bismaleimide
decomposition kinetics
heat resistance
