Table 1 Thermo-oxidative activation energies (E a) at various mass losses of lac dye
From: Thermo-oxidative and weathering degradation affecting coloration performance of lac dye
| % Mass loss | E a (kJ/mol) | r 2* |
|---|---|---|
| 12 | 283 | 0.9900 |
| 14 | 275 | 0.9710 |
| 16 | 193 | 0.9780 |
| 18 | 205 | 0.9990 |
| 20 | 195 | 0.9680 |