Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
580921 | Journal of Hazardous Materials | 2010 | 5 Pages |
Abstract
The thermal decomposition of 3,4-bis(4â²-aminofurazano-3â²) furoxan (BAFF) was studied by DSC, TG, the combination technique of in situ thermolysis cell with rapid-scan Fourier transform infrared spectroscopy (thermolysis/RSFT-IR) and the fast thermolysis probe with rapid-scan Fourier transform infrared spectroscopy (fast thermolysis/RSFT-IR). The result shows that the melting point of BAFF is 168.4 °C, the peak temperatures of the two exothermic peaks are respectively 260.4 °C and 338.8 °C on DSC curve. The apparent activation energy Ea and the pre-exponential factor A are respectively 122.21 kJ molâ1 and 109.89 sâ1 for major exothermic decomposition process of BAFF. The kinetic equation of major exothermic decomposition for BAFF is dα/dt =1010.07exp(â1.46993 Ã 104/T)(1 â α) [âln(1 â α)]1/3. The thermal decomposition gaseous products of BAFF consist of CO2, NO2, N2O and NO. The BAFF is shown by IR spectroscopy to convert to ammonium dicyanamide (NH4[N(CN)2]), cyclic azine residues (melamine or melamine-like).
Keywords
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Chemical Health and Safety
Authors
Wei Zheng, Jiangning Wang, Xiaoning Ren, Zhiqun Chen, Jun Tian, Yanshui Zhou,