期刊
THERMOCHIMICA ACTA
卷 571, 期 -, 页码 60-63出版社
ELSEVIER
DOI: 10.1016/j.tca.2013.08.029
关键词
Dicumyl peroxide; Kinetic parameter; Mechanism function model; SADT
Currently, dicumyl peroxide (DCP)'s thermal hazard studies mainly focus on kinetic parameters upon an assumptive n-order reaction equation. This paper aimed to obtain activation energy E with the model free method, Friedman, based on data from differential scanning calorimeter (DSC). We employed Malek method to calculate the most probable mechanism model for decomposition of DCP. After comparing the simulated temperature history with adiabatic experimental curve, we found these kinetic parameters were suitable for simulation of DCP's decomposition. Therefore, the self-accelerating decomposition temperature (SADT) of DCP was predicted with AKTS software. The SADT values of 25-2000 kg packages DCP varied from 89 to 84 degrees C. Our calculations give clearness to the decomposition kinetic model of DCP and provide a variation range of E values. Meanwhile, the SADTs can guide temperature control for transportation. (C) 2013 Elsevier By. All rights reserved.
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