Table 3.
Mechanical properties of developed PLA-based films.
| Material | Young’s Modulus | Tensile Strength | Elongation at Break |
|---|---|---|---|
| (GPa) | (MPa) | (%) | |
| PLA | 1.61 ± 0.16 b | 47.9 ± 4.6 de | 3.4 ± 0.4 ab |
| 0.5PLA(PV/CNC)n | 1.66 ± 0.16 b | 52.0 ± 2.2 f | 4.3 ± 0.8 ab |
| 0.5PLA(PV)n | 1.54 ± 0.16 b | 51.2 ± 2.7 f | 5.9 ± 1.6 bc |
| 0.5PLACNC | 1.61 ± 0.13 b | 40.3 ± 2.2 b | 2.8 ± 0.4 ab |
| 1PLA(PV/CNC)n | 1.82 ± 0.16 b | 45.3 ± 2.3 cd | 12.3 ± 4.6 d |
| 1PLA(PV)n | 1.88 ± 0.13 b | 44.7 ± 2.5 cd | 5.8 ± 1.1 bc |
| 1PLACNC | 1.12 ± 0.25 a | 41.9 ± 4.2 bc | 2.9 ± 0.6 ab |
| 3PLA(PV/CNC)n | 1.72 ± 0.14 b | 40.2 ± 1.2 b | 8.3 ± 2.5 c |
| 3PLA(PV)n | 1.77 ± 0.11 b | 37.2 ± 2.2 b | 5.6 ± 0.9 abc |
| 3PLACNC | 1.24 ± 0.22 a | 31.2 ± 3.3 a | 2.6 ± 0.3 a |
Lower case letters a–d indicate significant differences in a mechanical parameter among the materials. a corresponds to the smaller values and d the higher ones.