Research Article
Kinetic Analysis of the Thermal Decomposition of Polymer-Bonded Explosive Based on PETN: Model-Fitting Method and Isoconversional Method
Table 4
Kinetic parameters of PETN and PBXs by the modified KAS method.
| φ | 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 |
| 0.1 | 133.8 | 24.7 | 0.9955 | 124.5 | 21.3 | 0.9835 | 139.3 | 27.8 | 0.9880 | 0.2 | 138.3 | 26.3 | 0.9915 | 136.3 | 25.4 | 0.9905 | 150.4 | 32.5 | 0.9950 | 0.3 | 141.3 | 27.2 | 0.9850 | 136.5 | 24.9 | 0.9945 | 152.6 | 33.2 | 0.9915 | 0.4 | 145.2 | 28.4 | 0.9884 | 138.6 | 26.8 | 0.9964 | 152.1 | 32.4 | 0.9835 | 0.5 | 145.3 | 28.6 | 0.9935 | 137.9 | 24.8 | 0.9924 | 155.5 | 34.1 | 0.9980 | 0.6 | 147.1 | 29.9 | 0.9828 | 136.6 | 24.6 | 0.9920 | 153.2 | 32.2 | 0.9909 | 0.7 | 145.8 | 28.9 | 0.9845 | 135.8 | 24.7 | 0.9960 | 148.5 | 31.3 | 0.9945 | 0.8 | 141.4 | 27.5 | 0.9899 | 137.9 | 26.4 | 0.9949 | 147.6 | 29.8 | 0.9952 | 0.9 | 141.8 | 27.7 | 0.9854 | 127.2 | 22.6 | 0.9935 | 146.7 | 27.8 | 0.9960 | Mean | 144.9 | 28.6 | | 137.1 | 25.2 | | 152.4 | 32.6 | |
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