摘要
采用热重差热联用分析仪研究了废旧酚醛树脂电路板的热解特征,结果表明,热失重曲线有两个主要快速失重阶段(270℃—350℃,350℃—480℃),通过裂解气相谱质谱联用仪分析其主要裂解产物为苯酚、溴酚、二氧化碳、对甲苯酚、邻异丙烯基苯酚、邻甲苯酚、对异丙基苯酚、糠醛等.
Pyrolysis characteristics of waste phenolic-resin-based printed circuit boards （PR-WPCBs） have been studyed by thermogravimetry and differential scanning calorimetry （TG-DSC）. The reactions in two distinct stages of thermagravimetic process （270℃--350℃, 350℃---480℃） were discussed. In addition, the compositions of pyrolysis products were analysed by pyrolysis gas chromatography mass spectrometry（ Py-GC/ MS ）. The pyrolysis products were mainly composed of phenol, bromophenol, carbon dioxide, 4-methylphenol, p-isopropylenephenol, 2-methylphenol, o-isopropylphenol and furaldehyde.
出处
《环境化学》
CAS
CSCD
北大核心
2009年第1期99-102,共4页
Environmental Chemistry
基金
广东省科技重点计划项目(2006A36703001)
广州市科技计划项目(2006J1-C0431)．
关键词
废旧电路板
酚醛树脂
热解
热失重分析.
waste printed circuit boards, phenolic resin-based, pyrolysis, thermogravimetry analysis.
