Table 8.
Comparison in mechanical properties of PLA, F3 and low density polyethylene (LDPE) extruded films.
| Tensile Test on Dumbell Specimens | ||||||
|---|---|---|---|---|---|---|
| Orientation | E (GPa) | σy (MPa) | εy (%) | σb (MPa) | εb (%) | |
| PLA pure | MD | 3.31 | 37.6 ± 3.2 | 3.2 ± 0.1 | 30.5 ± 2.5 | 17.7 ± 9.8 |
| CD | 2.60 | 31.8 ± 3.9 | 2.9 ± 0.2 | 26.5 ± 3.6 | 14.0 ± 6.8 | |
| F3 | MD | 0.09 | 2.3 ± 1.1 | 3.6 ± 0.9 | 23.3 ± 5.0 | 493.4 ± 25.3 |
| CD | 0.10 | 2.5 ± 1.0 | 3.2 ± 0.5 | 21.9 ± 3.5 | 482.1 ± 41.1 | |
| LDPE | MD | 0.13 | 6.0 ± 0.9 | 8.1 ± 2.3 | 17.7 ± 4.1 | 421 ± 119 |
| CD | 0.13 | 3.2 ± 2.2 | 4 ± 0.7 | 10. 9 ± 1.8 | 685 ± 290 | |