Fabrication and Thermal Degradation Kinetics of PBT/BEO/Nano-Sb₂O₃ Composites

Table 4

Reaction kinetic parameters are calculated by the Friedman method.

Specimens	Correlation coefficient	Activation energy (kJ/mol)	Reaction order
Neat PBT	0.9934	195.98	0.89
PBT/BEO/nano-Sb2O3 1 wt%	0.9942	253.72	0.92
PBT/BEO/nano-Sb2O3 3 wt%	0.9953	267.94	0.95
PBT/BEO/nano-Sb2O3 5 wt%	0.9952	258.97	0.91