Thermal Degradation Studies of Terpolymer Derived from 2-Aminothiophenol, Hexamethylenediamine, and Formaldehyde

Table 6

Thermoanalytical data for each degradation step of 2-ATPHMDF-I terpolymer.

Methods	Decomposition steps
	I			II			III
	𝐸𝑎	𝑛	𝑧	𝐸𝑎	𝑛	𝑧	𝐸𝑎	𝑛	𝑧
Friedman	32.11	1.14	5.34	42.01	1.05	12.23	28.67	1.15	12.01
Chang	31.93	1.0	5.38	43.90	1.0	12.44	28.34	1.0	12.03
Sharp-Wentworth	13.95	1.0	7.04	18.19	1.0	7.66	12.42	1.0	8.47
Freeman-Carroll	15.56	0.9	6.12	25.19	1.33	5.30	8.12	1.32	5.21