The thermal stability of some semi-interpenetrated polymer networks based on epoxy resin and aromatic polyurethane
作者： Dan Rosu , Liliana Rosu , Cristian-Dragos Varganici
DOI: 10.1016/J.JAAP.2012.12.003
关键词: Fourier transform infrared spectroscopy 、 Infrared 、 Materials science 、 Polyurethane 、 Polymer 、 Polymer chemistry 、 Chemical engineering 、 Thermal stability 、 Epoxy 、 Spectroscopy 、 Thermal analysis
摘要: Abstract Thermal stability of some semi-interpenetrating polymer networks based on aromatic polyurethane and a crosslinked epoxy resin were investigated by simultaneous thermal analysis coupling thermogravimetry–dynamic scanning calorimetry–Fourier transform infrared spectroscopy–mass spectroscopy. The samples heated at four different heating rates (5, 10, 15 20 K min −1 ) the kinetic parameters determined isoconversional methods Friedman Flynn–Wall–Ozawa. form model which best described global decomposition process was calculated multiple linear regressions. gases evolved identified Fourier spectroscopy mass
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