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.

φPETNPBX-PN-85PBX-PP-85
Eφ (kJ⋅mol−1)ln A, (min−1)R2Eφ (kJ⋅mol−1)ln A, (min−1)R2Eφ (kJ⋅mol−1)ln A, (min−1)R2

0.1133.824.70.9955124.521.30.9835139.327.80.9880
0.2138.326.30.9915136.325.40.9905150.432.50.9950
0.3141.327.20.9850136.524.90.9945152.633.20.9915
0.4145.228.40.9884138.626.80.9964152.132.40.9835
0.5145.328.60.9935137.924.80.9924155.534.10.9980
0.6147.129.90.9828136.624.60.9920153.232.20.9909
0.7145.828.90.9845135.824.70.9960148.531.30.9945
0.8141.427.50.9899137.926.40.9949147.629.80.9952
0.9141.827.70.9854127.222.60.9935146.727.80.9960
Mean144.928.6137.125.2152.432.6