Table 1 Mechanical properties and crystallinity of PLA and PLA composites
From: Polylactic acid composites incorporating casein functionalized cellulose nanowhiskers
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 |