Table 4 The thermal decomposition characteristics of BHT and BHTOOH under different heating conditions
From: Thermal decomposition characteristics of BHT and its peroxide (BHTOOH)
Sample | β (K min−1) | Ti (K) | Tmax (K) | Te (K) | Tr (K) | Weight loss (%) | The residue (%) |
|---|---|---|---|---|---|---|---|
BHT | 5 | 445.8 | 475.6 | 484.9 | 572.9 | 93.6 | 6.40 |
10 | 448.6 | 479.6 | 491.9 | 572.5 | 93.1 | 6.66 | |
15 | 450.3 | 483.1 | 504.7 | 572.3 | 93.5 | 6.29 | |
20 | 452.8 | 490.2 | 519.2 | 552.5 | 93.2 | 6.69 | |
25 | 452.4 | 493.6 | 523.7 | 568.2 | 93.3 | 6.69 | |
BHTOOH | 5 | 419.1 | 458.9 | 492.2 | 772.4 | 99.3 | 0.29 |
10 | 426.0 | 476.7 | 522.6 | 771.7 | 98.5 | 1.05 | |
15 | 428.3 | 482.5 | 543.2 | 772.0 | 99.2 | 0.64 | |
20 | 429.8 | 494.4 | 564.5 | 770.3 | 98.4 | 1.20 | |
25 | 430.5 | 500.1 | 572.9 | 769.8 | 99.4 | 0.39 |