Abstract
Disasters caused by organic peroxides, such as di(2,4-dichlorobenzoyl) peroxide (DCBP), are mainly attributed to the presence of unstable oxygen atom bonds. In this study, DCBP was investigated through differential scanning calorimetry and thermal activity monitor III, which yielded thermokinetic data to delve into the pure decomposition characteristics of DCBP undergoing chemical reactions. In addition, the thermokinetic data were used to determine the thermal safety parameters through simulation using a best-fit approach based on an appropriately chosen kinetic model and thermal safety software. We found that DCBP decomposes more satisfactorily by an autocatalytic reaction at low temperatures. The apparent activation energy determined through various approaches, such as Kissinger and Ozawa methods, and thermal safety software simulation were studied. Although DCBP decomposition deposits with dioxins, which require major decontamination measures, DCBP is used to produce silicone products globally. The present study establishes threshold thermokinetic parameters for packing and handling thermally sensitive organic peroxides; these thresholds help predict unwarranted runaway reactions, which entail enormous pressure rise and release of toxic by-products to the environment.
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