Table 4.
Tensile parameters of PLA composites.
| Films | Young’s Modulus (MPa) | Maximum Resistance (MPa) | Elongation at Break (%) |
|---|---|---|---|
| PLA | 2768 ± 154 b | 58.7 ± 2.0 d | 6.1 ± 2.3 a |
| PLA/ZN | 2410 ± 393 a | 50.5 ± 3.4 c | 10.1 ± 5.3 b |
| PLA/ZN.Q | 2627 ± 138 ab | 48.1 ± 2.1 b,c | 11.8 ± 2.7 b,c |
| PLA/ZN.CNC0.5 | 2602 ± 250 a,b | 49.2 ± 3.2 b,c | 11.6 ± 4.2 b,c |
| PLA/ZN.CNC1 | 2566 ± 355 a,b | 48.7 ± 2.7 b,c | 12.1 ± 3.2 b,c |
| PLA/ZN.Q.CNC0.5 | 2631 ± 75 a,b | 48.1 ± 2.7 b | 11.3 ± 3.1 b,c |
| PLA/ZN.Q.CNC1 | 2453 ± 300 a | 44.8 ± 2.0 a | 14.5 ± 4.7 c |
Lower case letters a–c indicate statistically significant differences of the same mechanical parameter among films according to ANOVA analysis (p < 0.05).