Research Article

Study of Thermal Decomposition of the Copolymer Based on Polyethylene Glycol Fumarate with Acrylic Acid

Table 3

Activation energies according to Kissinger–Akahira–Sunose and Friedman.

αKissinger–Akahira–SunoseFriedman
E, kJ/molR2E, kJ/molR2

0.5268 ± 170.9913296 ± 150.9948
0.1297 ± 200.9976324 ± 170.9944
0.15290 ± 100.9976292 ± 90.9982
0.2281 ± 130.9956265 ± 130.9952
0.25279 ± 160.9934284 ± 450.9512
0.3286 ± 290.9796273 ± 630.9032
0.35274 ± 330.9720248 ± 530.9158
0.4264 ± 360.9642239 ± 480.9242
0.45254 ± 340.9660219 ± 340.9546
0.5250 ± 270.9764197 ± 190.9808
0.55245 ± 220.9838209 ± 280.9660
0.6233 ± 300.9687214 ± 260.9714
0.65229 ± 210.9838199 ± 170.9853
0.7222 ± 200.9841201 ± 150.9890
0.75215 ± 200.9825188 ± 400.9123
0.8214 ± 180.9860219 ± 120.9940
0.85218 ± 180.9863225 ± 180.9878
0.9223 ± 180.9864230 ± 150.9915
0.95233 ± 130.9939249 ± 260.9779
Mean251 ± 210.9836241 ± 270.9681