| Sample | Thermal properties | |
| ΔHm (J∙g−1) | Crystallinity (%) | |
| PLA | 31.23 | 33.33 |
| PLA-g-GMA 7 min | 24.52 | 26.17 |
| PLA-g-GMA 10 min | 22.96 | 24.50 |
| PLA-g-GMA 14 min | 23.88 | 25.49 |