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.
| α | Kissinger–Akahira–Sunose | Friedman | E, kJ/mol | R2 | E, kJ/mol | R2 |
| 0.5 | 268 ± 17 | 0.9913 | 296 ± 15 | 0.9948 | 0.1 | 297 ± 20 | 0.9976 | 324 ± 17 | 0.9944 | 0.15 | 290 ± 10 | 0.9976 | 292 ± 9 | 0.9982 | 0.2 | 281 ± 13 | 0.9956 | 265 ± 13 | 0.9952 | 0.25 | 279 ± 16 | 0.9934 | 284 ± 45 | 0.9512 | 0.3 | 286 ± 29 | 0.9796 | 273 ± 63 | 0.9032 | 0.35 | 274 ± 33 | 0.9720 | 248 ± 53 | 0.9158 | 0.4 | 264 ± 36 | 0.9642 | 239 ± 48 | 0.9242 | 0.45 | 254 ± 34 | 0.9660 | 219 ± 34 | 0.9546 | 0.5 | 250 ± 27 | 0.9764 | 197 ± 19 | 0.9808 | 0.55 | 245 ± 22 | 0.9838 | 209 ± 28 | 0.9660 | 0.6 | 233 ± 30 | 0.9687 | 214 ± 26 | 0.9714 | 0.65 | 229 ± 21 | 0.9838 | 199 ± 17 | 0.9853 | 0.7 | 222 ± 20 | 0.9841 | 201 ± 15 | 0.9890 | 0.75 | 215 ± 20 | 0.9825 | 188 ± 40 | 0.9123 | 0.8 | 214 ± 18 | 0.9860 | 219 ± 12 | 0.9940 | 0.85 | 218 ± 18 | 0.9863 | 225 ± 18 | 0.9878 | 0.9 | 223 ± 18 | 0.9864 | 230 ± 15 | 0.9915 | 0.95 | 233 ± 13 | 0.9939 | 249 ± 26 | 0.9779 | Mean | 251 ± 21 | 0.9836 | 241 ± 27 | 0.9681 |
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