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Characteristic thermal degradation temperatures (Tmax) and wt % of char residues from TGA curves.
| Samples | T5% (°C) | Tmax (°C) | Char Residues at 500 °C (wt %) |
|---|---|---|---|
| PLA | 389.4 | 423.5 | 0.5 |
| PLA/Ac-lignin | 357.5 | 407.7 | 3.4 |
| PLA/At-lignin | 371.5 | 413.4 | 2.4 |
| PLA/By-lignin | 374.9 | 413.2 | 3.9 |
