Table 5.
Degradation temperature, weight loss, and residue for different post-consumer rPP composites.
| Sample | 23–310 °C | 310–560 °C | 560–700 °C | 700 °C | Onset Degradation | ||||
|---|---|---|---|---|---|---|---|---|---|
| Wt. Loss (%) |
Wt. Loss (%) |
Tmax.1 (°C) |
Tmax.2 (°C) |
Wt. Loss (%) |
Tmax.3 (°C) |
Wt. Loss (%) |
Ti (°C) |
Wt. Loss (%) |
|
| rPP | 1.94 | 83.35 | 463.4 | - | 5.04 | 633.4 | 9.68 | 445.3 | 96.01 |
| SBS | 0.29 | 99.26 | 452.3 | - | 0.23 | - | 0.22 | 415.8 | 99.69 |
| rPP/SBS | 1.62 | 85.14 | 461.7 | - | 4.51 | 641.8 | 8.72 | 434.9 | 96.72 |
| rPP/SBS/GB 5 | 1.28 | 84.46 | 463.7 | - | 4.46 | 645.1 | 9.80 | 437.0 | 97.11 |
| rPP/SBS/GB 20 | 1.16 | 82.52 | 464.9 | - | 4.35 | 653.1 | 11.98 | 437.6 | 97.31 |
| SIS | 0.90 | 98.63 | 375.3 | 423.6 | 0.03 | - | 0.44 | 353.0 | 96.86 |
| rPP/SIS | 1.46 | 85.40 | 370.9 | 458.4 | 4.47 | 641.3 | 8.6 | 429.5 | 95.97 |
| rPP/SIS/GB 5 | 1.35 | 84.67 | 374.7 | 461.5 | 4.51 | 649.9 | 9.47 | 431.8 | 96.17 |
| rPP/SIS/GB 20 | 1.26 | 82.76 | 373.3 | 460.8 | 4.31 | 648.2 | 11.67 | 431.0 | 96.30 |