Table 1.
Mechanical properties and crystallinity of PLA and PLA composites
| Samples | Young’s modulus (GPa) | Tensile strength (MPa) | Strain at break (%) | Crystallinity (%) (XRD) |
|---|---|---|---|---|
| PLA |
2.5 ± 0.2 |
32.8 ± 2.6 |
2.0 ± 0.3 |
47.8 ± 4.1 |
| PLA-CNW2 |
2.9 ± 0.1 |
31.6 ± 2.3 |
1.4 ± 0.1 |
48.6 ± 0.5 |
| PLA-CNW5 |
2.7 ± 0.3 |
27.1 ± 3.2 |
1.3 ± 0.1 |
43.2 ± 0.7 |
| PLA-CNW10 |
2.9 ± 0.3 |
24.3 ± 3.0 |
1.0 ± 0.1 |
37.1 ± 1.8 |
| PLA-CS-CNW2 |
3.0 ± 0.1 |
33.1 ± 1.4 |
1.9 ± 0.3 |
41.7 ± 1.3 |
| PLA-CS-CNW5 |
3.2 ± 0.1 |
28.4 ± 3.0 |
1.0 ± 0.1 |
44.8 ± 4.4 |
| PLA-CS-CNW10 | 3.5 ± 0.1 | 25.1 ± 2.1 | 0.8 ± 0.1 | 40.1 ± 1.3 |