Articles written in Journal of Chemical Sciences
Volume 129 Issue 2 February 2017 pp 281-288 Regular Article
1,1-Diamino-2,2-dinitroethylene (DADNE), commonly known as FOX-7, is one of the novel high energy density molecules recently developed along with CL-20, TNAZ and ADN. DADNE is well-known for its insensitive nature and this has motivated the research in understanding the thermal and explosive decompositionbehaviour of DADNE. We have studied the thermal decomposition kinetics of DADNE employing two isoconversional methods viz., Friedman’s differential method and Vyazovkin’s non-linear integral method. For the study, Differential Scanning Calorimetry as well as Thermogravimetry data collected at lower heatingrates (<5◦C/min) were used. This study indicated a four stage decomposition behaviour of DADNE, where each stage is characterised by different activation energy. Computed activation energy values have been usedto understand the thermal decomposition mechanism of DADNE.
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