Table 3.
Thermal parameters of PLA, PLA-ATBC and hybrid plasticized biocomposite films obtained from DSC during the first heating scan.
| Film Formulations | Tg (°C) | Tcc (°C) | ∆Hcc (J g−1) | Tm (°C) | ∆Hm (J g−1) | χc (%) | ||
| First Heating Scan | ||||||||
| PLA | 59 | 109 | 30.2 | 175 | 52.0 | 22.1 | ||
| PLA-ATBC | 50 | 74 | 13.4 | 166 | 54.0 | 51.3 | ||
| PLA-ATBC-SiA0.5% | 49 | 75 | 11.9 | 166 | 51.9 | 50.9 | ||
| PLA-ATBC-SiA1% | 47 | 79 | 13.7 | 167 | 53.0 | 50.2 | ||
| PLA-ATBC-SiA3% | 48 | 75 | 10.9 | 166 | 48.3 | 49.0 | ||
| PLA-ATBC-SiA5% | 48 | 78 | 12.6 | 167 | 49.2 | 49.1 | ||
| Film Formulations | Cooling Scan | Second Heating Scan | ||||||
| Tg (°C) | Tcc (°C) | ∆Hcc (J g−1) | Tcc (°C) | ∆Hcc (J g−1) | Tm (°C) | ∆Hm (J g−1) | χc (%) | |
| PLA | 63 | 109 | 21.0 | 107 | 4.0 | 175 | 53.4 | 30.5 |
| PLA-ATBC | - | 88 | 28.5 | - | 0.6 | 167 | 46.2 | 58.4 |
| PLA-ATBC-SiA0.5% | - | 88 | 23.2 | - | - | 167 | 46.2 | 58.7 |
| PLA-ATBC-SiA1% | - | 89 | 24.3 | - | - | 168 | 46.8 | 59.9 |
| PLA-ATBC-SiA3% | - | 89 | 24.3 | - | - | 166 | 40.6 | 53.2 |
| PLA-ATBC-SiA5% | - | 87 | 25.4 | - | - | 167 | 40.3 | 54.2 |