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.

ModelPETNPBX-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

1137.432.40.9818122.027.60.9828144.434.60.9896
2138.532.50.9815121.627.20.9830144.534.40.9896
3138.332.30.9827121.927.10.9821144.534.00.9892
4139.133.60.9900123.528.70.9846146.435.80.9908
5138.533.00.9890122.828.20.9833146.235.40.9907
6134.131.40.9845122.927.90.9838146.135.10.9904
7139.433.00.9838123.928.30.9853146.935.30.9906
8139.132.70.9935123.928.10.9844146.935.10.9908
9139.432.30.9862123.728.50.9862147.635.80.9905
10139.833.30.9754119.727.20.9855146.735.20.9886
11140.632.60.9860125.628.00.9918148.534.90.9913
12139.734.40.9853124.929.80.9853148.236.60.9914
13141.336.20.9846124.831.10.9846150.636.90.9940
14142.638.20.9834129.634.20.9834152.440.00.9903