Research Article
Study of Thermal Decomposition of the Copolymer Based on Polyethylene Glycol Fumarate with Acrylic Acid
Table 1
Some of the kinetic models used in the solid-state kinetics.
| | Reaction model | Code | f(α) | |
| 1 | Power law | P4 | 4α3/4 | α1/4 | 2 | Power law | P3 | 3α2/3 | α1/3 | 3 | Power law | P2 | 2α1/2 | α1/2 | 4 | Power law | P2/3 | 2/3α−1/2 | α3/2 | 5 | One-dimensional diffusion | D1 | 1/2α−1 | α2 | 6 | Mampel (first order) | F1 | 1−α | −ln(1 − α) | 7 | Avrami–Erofeev | A4 | 4(1 − α)[−ln(1 − α)]3/4 | [−ln(1 − α)]1/4 | 8 | Avrami–Erofeev | A3 | 3(1 − α)[−ln(1 − α)]2/3 | [−ln(1 − α)]1/3 | 9 | Avrami–Erofeev | A2 | 2(1 − α)[−ln(1 − α)]1/2 | [−ln(1 − α)]1/2 | 10 | Three-dimensional diffusion | D3 | 3/2(1 − α)2/3[1−(1 − α)]1/3]−1 | [1−(1 − α)]1/3]2 | 11 | Contracting sphere | R3 | 3(1 − α) | 1−(1 − α)1/3 | 12 | Contracting cylinder | R2 | 2(1 − α) | 1−(1 − α)1/2 | 13 | Two-dimensional diffusion | D2 | [−ln(1 − α)]−1 | (1−α) ln(1 − α) + α |
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