Table 9 Activation energies and pre-exponential factors of PBS-OH calculated from isoconversional method (Flynn–Wall–Ozawa) at 5, 15 and 45 °C/min
α | β5 | β15 | β45 | ||||||
|---|---|---|---|---|---|---|---|---|---|
Tα | Ea (kJ/mol) | A(s−1) | Tα | Ea (kJ/mol) | A(s−1) | Tα | Ea (kJ/mol) | A(s−1) | |
0.1 | 450 | 37.35 | 1.96 × 105 | 432 | 35.85 | 2.04 × 105 | 402 | 33.36 | 2.20 × 105 |
0.2 | 527 | 43.74 | 2.45 × 1011 | 512 | 42.49 | 2.48 × 1011 | 509 | 42.24 | 2.49 × 1011 |
0.3 | 611 | 50.71 | 3.65 × 107 | 569 | 47.22 | 3.92 × 107 | 575 | 47.72 | 3.88 × 107 |
0.4 | 713 | 59.17 | 6.69 × 105 | 636 | 52.78 | 7.50 × 105 | 629 | 52.20 | 7.58 × 105 |
0.5 | 804 | 66.73 | 8.16 × 105 | 715 | 59.34 | 9.17105 | 691 | 57.35 | 9.49 × 105 |
0.6 | 892 | 74.03 | 4.66 × 106 | 812 | 67.39 | 5.12 × 106 | 765 | 63.49 | 5.43 × 106 |
0.7 | 978 | 81.17 | 5.26 × 107 | 916 | 76.02 | 5.62 × 107 | 849 | 70.46 | 6.06 × 107 |
0.8 | 1059 | 87.89 | 5.32 × 108 | 1020 | 84.66 | 5.52 × 108 | 964 | 80.01 | 5.84 × 108 |
0.9 | 1159 | 96.19 | 3.37 × 1011 | 1147 | 95.20 | 3.41 × 1011 | 1080 | 89.64 | 3.62 × 1011 |