Kinetic Analysis of the Thermal Decomposition of Polymer-Bonded Explosive Based on PETN: Model-Fitting Method and Isoconversional Method

Table 5

Kinetic parameter of PETN and PBXs by the isothermal isoconversional method.

φ	PETN			PBX-PN-85			PBX-PP-85
	Eφ (kJ⋅mol^−1)	ln A, (min^−1)	R^2	Eφ (kJ⋅mol^−1)	ln A, (min^−1)	R^2	Eφ (kJ⋅mol^−1)	ln A, (min^−1)	R^2
0.1	130.2	29.4	0.9835	123.9	24.1	0.9966	135.6	31.1	0.9767
0.2	137.4	31.8	0.9830	127.2	26.3	0.9921	138.4	32.5	0.9773
0.3	137.9	32.0	0.9962	128.6	27.3	0.9938	145.6	34.9	0.9897
0.4	139.2	32.5	0.9949	132.3	28.9	0.9939	147.3	35.7	0.9890
0.5	142.6	33.7	0.9889	132.3	29.2	0.9924	147.9	36.2	0.9883
0.6	143.6	34.0	0.9930	135.9	30.5	0.9967	147.5	36.4	0.9885
0.7	136.8	32.0	0.9854	137.5	31.1	0.9858	145.5	36.1	0.9900
0.8	136.6	31.9	0.9868	128.7	28.6	0.9885	145.3	36.5	0.9857
0.9	131.2	30.2	0.9831	121.4	26.6	0.9941	142.0	36.2	0.9879
Mean	137.3	31.9		129.7	28.0		143.9	35.0