Thermal decomposition and hydrolysis of polyacrylamide-co-tert-butyl acrylate
作者： Ghaithan A. Al-Muntasheri , Hisham A. Nasr-El-Din , Joop A. Peters , Pacelli L.J. Zitha
DOI: 10.1016/J.EURPOLYMJ.2008.01.022
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摘要: Abstract Hydrolysis and thermal decomposition of polyacrylamide tert-butyl acrylate (PAtBA) copolymer were investigated. Carbon-13 nuclear magnetic resonance (13C NMR) spectroscopy was used to monitor the structural changes PAtBA. amide groups occurred only after complete conversion tBA. Activation energy for PAtBA found be 86.4 kJ/mol. Gas chromatography identify gas products analysis showed conclusively formation isobutene carbon dioxide from tBA copolymer. Tertiary butanol hydrolysis product in aqueous phase at temperatures 60 130 °C. Kinetics governing contribution total degree is presented. An nth order equation check reaction both groups. Analysis 13C NMR spectra revealed that randomly distributed on chain.
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