Structural effects on the decomposition kinetics of EPDM elastomers by high-resolution TGA and modulated TGA
Date
2000
Authors
Matisons, J.G.
Ginic Markovic, M.
Dutta, N.K.
Choudhury, N.R.
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Journal of Thermal Analysis and Calorimetry, 2000; 59(1):319-336
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Effects of ethylene content and maleated EPDM content on the thermal stability and degradation kinetics of ethylene propylene diene monomer (EPDM) have been studied using high resolution thermogravimetric analysis (Hi-Res TGA) and Modulated TGA (MTGA). Modulated TGA shows that EPDM degradation is complex, with activation energy of degradation increasing throughout the degradation. Values from both dynamic and constant heating rate experiments are in good agreement with each other and with the literature value. However, the dynamic heating rate experiment shows that if the difference of peak temperature of components in a system is less than 5 °C, Hi-Res TGA does not resolve them.
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