Table 5.
Averaged tensile properties of the composite films.
| Sample | Stress at Yield (MPa) |
Stress at Break (MPa) |
Strain at Break (%) |
Young’s Modulus (MPa) |
|---|---|---|---|---|
| PLLA/CaCO3 (%wt) | ||||
| 100/0 | - | 59.4 ± 4.6 | 3.3 ± 1.2 | 923 ± 26 |
| 95/5 | - | 52.1 ± 3.1 | 2.6 ± 0.8 | 817 ± 31 |
| 90/10 | - | 44.8 ± 3.6 | 2.5 ± 1.1 | 605 ± 23 |
| 80/20 | - | 41.7 ± 5.3 | 1.8 ± 0.6 | 425 ± 38 |
| 70/30 | - | 27.4 ± 2.6 | 1.5 ± 0.7 | 332 ± 16 |
| PLLA-b-PEG-b-PLLA/CaCO3 (%wt) | ||||
| 100/0 | 21.8 ± 3.4 | 18.9 ± 3.2 | 108.3 ± 8.6 | 280 ± 27 |
| 95/5 | 25.2 ± 2.6 | 21.6 ± 2.4 | 42.1 ± 5.4 | 396 ± 14 |
| 90/10 | 24.9 ± 4.1 | 18.5 ± 3.6 | 20.7 ± 3.1 | 345 ± 38 |
| 80/20 | 18.5 ± 3.8 | 13.5 ± 2.1 | 17.5 ± 2.5 | 218 ± 23 |
| 70/30 | 17.8 ± 2.7 | 13.2 ± 1.7 | 11.6 ± 2.4 | 219 ± 29 |