Journal
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
Volume 106, Issue 1, Pages 227-234Publisher
SPRINGER
DOI: 10.1007/s10973-011-1482-0
Keywords
Differential scanning calorimetry (DSC); Di-tert-butyl peroxide (DTBP); Reactive incompatibility; Thermal runaway reactions; Vent sizing package 2 (VSP2)
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Di-tert-butyl peroxide (DTBP) is an organic peroxide (OP) which has widespread use in the various chemical industries. In the past, thermal runaway reactions of OPs have been caused by their general thermal instability or by reactive incompatibility in storage or operation, which can create potential for thermal decomposition reaction. In this study, differential scanning calorimetry was applied to measure the heat of decomposition reactions, which can contribute to understand the reaction characteristics of DTBP. Vent sizing package 2 was also employed to evaluate rates of increase for temperature and pressure in decomposition reactions, and then the thermokinetic parameters of DTBP were estimated. Finally, hazard characteristics of the gassy system containing DTBP, specifically with respect to thermal criticality, were clearly identified.
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