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Received May 20, 2011
Accepted January 8, 2012
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Isothermal and non-isothermal kinetic and safety parameter evaluation of tert-butyl(2-ethylhexyl)monoperoxy carbonate by differential scanning calorimetry
Department of Energy Engineering, National United University, Miaoli, Taiwan 36003, ROC 1Department of Fire Science, WuFeng University, Chiayi, Taiwan 62153, ROC 2Institute of Safety and Disaster Prevention Technology, Central Taiwan University of Science and Technology, Taichung, Taiwan 40601, ROC 3Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan 41354, ROC 4Graduate Institute of Environmental Engineering, National Central University, Taiwan 32001, ROC
jmtseng@ctust.edu.tw
Korean Journal of Chemical Engineering, October 2012, 29(10), 1292-1297(6), 10.1007/s11814-012-0001-8
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Abstract
Tert-butyl(2-ethylhexyl)monoperoxy carbonate (TBEHC) 95 mass% is intrinsically a very unstable substance that can induce self-decomposition even under normal atmospheric condition. During storage, TBEHC 95mass% can release an enormous amount of heat if the temperature is higher than the recommended storage temperature, due to the self-accelerating reaction having been ignited. In this study, TBEHC 95mass% was tested by differential scanning_x000D_
calorimetry (DSC) under five heating rates (1, 2, 4, 6, and 8 ℃/min) and four isothermal conditions (120, 125, 130, and 135 ℃) to evaluate the basic kinetic and safety parameters of time to maximum rate (TMR), self-accelerating decomposition temperature (SADT), and temperature of no return (TNR). Under runaway reaction TBEHC 95 mass% releases a great quantity of heat. This study establishes an important guiding principle for related manufacturing processes worldwide.
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References
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