Table 3.
Thermal degradation properties of PLA/PHB/PCL blends with different compositions (wt % PLA/wt % PHB/wt % PCL) obtained by TGA characterization.
| PLA/PHB/PCL (wt %) | T5 (°C) | Tmax (°C) | Residual Weight (%) | ||
|---|---|---|---|---|---|
| PHB | PLA | PCL | |||
| 100/0/0 | 328.5 ± 2.6 | - | 368.5 ± 0.9 | - | 0.36 ± 0.12 |
| 60/40/0 | 281.8 ± 2.9 | 291.5 ± 1.2 | 363.2 ± 0.7 | 390.6 ± 1.2 | 4.49 ± 0.24 |
| 60/30/10 | 284.8 ± 3.3 | 292.5 ± 0.9 | 363.8 ± 0.8 | 403.2 ± 1.6 | 4.23 ± 0.23 |
| 60/20/20 | 285.5 ± 3.4 | 291.8 ± 1.1 | 363.6 ± 0.8 | 408.1 ± 1.3 | 2.73 ± 0.41 |
| 60/10/30 | 294.3 ± 3.1 | 297.4 ± 0.6 | 360.6 ± 1.1 | 407.4 ± 0.9 | 1.82 ± 0.54 |
| 60/0/40 | 336.0 ± 2.4 | - | 366.3 ± 0.6 | 413.3 ± 0.7 | 2.54 ± 0.35 |