Research Article
Kinetic Analysis of the Thermal Decomposition of Polymer-Bonded Explosive Based on PETN: Model-Fitting Method and Isoconversional Method
Table 6
Kinetic parameters of PETN and PBXs calculated from the model-fitting method.
| Model | PETN | PBX-PN-85 | PBX-PP-85 | Eφ (kJ mol−1) | ln A, (min−1) | R2 | Eφ (kJ mol−1) | ln A, (min−1) | R2 | Eφ (kJ mol−1) | ln A, (min−1) | R2 |
| 1 | 137.4 | 32.4 | 0.9818 | 122.0 | 27.6 | 0.9828 | 144.4 | 34.6 | 0.9896 | 2 | 138.5 | 32.5 | 0.9815 | 121.6 | 27.2 | 0.9830 | 144.5 | 34.4 | 0.9896 | 3 | 138.3 | 32.3 | 0.9827 | 121.9 | 27.1 | 0.9821 | 144.5 | 34.0 | 0.9892 | 4 | 139.1 | 33.6 | 0.9900 | 123.5 | 28.7 | 0.9846 | 146.4 | 35.8 | 0.9908 | 5 | 138.5 | 33.0 | 0.9890 | 122.8 | 28.2 | 0.9833 | 146.2 | 35.4 | 0.9907 | 6 | 134.1 | 31.4 | 0.9845 | 122.9 | 27.9 | 0.9838 | 146.1 | 35.1 | 0.9904 | 7 | 139.4 | 33.0 | 0.9838 | 123.9 | 28.3 | 0.9853 | 146.9 | 35.3 | 0.9906 | 8 | 139.1 | 32.7 | 0.9935 | 123.9 | 28.1 | 0.9844 | 146.9 | 35.1 | 0.9908 | 9 | 139.4 | 32.3 | 0.9862 | 123.7 | 28.5 | 0.9862 | 147.6 | 35.8 | 0.9905 | 10 | 139.8 | 33.3 | 0.9754 | 119.7 | 27.2 | 0.9855 | 146.7 | 35.2 | 0.9886 | 11 | 140.6 | 32.6 | 0.9860 | 125.6 | 28.0 | 0.9918 | 148.5 | 34.9 | 0.9913 | 12 | 139.7 | 34.4 | 0.9853 | 124.9 | 29.8 | 0.9853 | 148.2 | 36.6 | 0.9914 | 13 | 141.3 | 36.2 | 0.9846 | 124.8 | 31.1 | 0.9846 | 150.6 | 36.9 | 0.9940 | 14 | 142.6 | 38.2 | 0.9834 | 129.6 | 34.2 | 0.9834 | 152.4 | 40.0 | 0.9903 |
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