Abstract
The degradation kinetics of the ABS terpolymer (acrylonitrile-butadiene-styrene) was investigated by means of thermogravimetric analysis. The samples were heated from 30 to 900°C in nitrogen atmosphere applying three different heating rates: 5, 10 and 20°C min−1. The Vyazovkin model-free kinetic method was used to calculate the activation energy (E) of the degradation process as a function of conversion and temperature. Between 20 and 80% of conversion, E was calculated and the figures were: for ABS GP, E is 204.5±11.5 kJ mol−1 (medium value); for ABS HI, E is 239.0±9.8 kJ mol−1; for ABS HH, E is 242.4±5.4 kJ mol−1.
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Polli, H., Pontes, L.A.M., Araujo, A.S. et al. Degradation behavior and kinetic study of ABS polymer. J Therm Anal Calorim 95, 131–134 (2009). https://doi.org/10.1007/s10973-006-7781-1
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DOI: https://doi.org/10.1007/s10973-006-7781-1