Table 1.
Experimental design. Amount of additive(s) in the PLA matrix and their codename.
| Experiment # | Code | Thymol (wt%) | Carvacrol (wt%) | Limonene (wt%) | Cinnamaldehyde (wt%) |
|---|---|---|---|---|---|
| 1 | PLA | 0 | 0 | 0 | 0 |
| 2 | PLA-5Th | 5 | 0 | 0 | 0 |
| 3 | PLA-10Th | 10 | 0 | 0 | 0 |
| 4 | PLA-5Ca | 0 | 5 | 0 | 0 |
| 5 | PLA-10Ca | 0 | 10 | 0 | 0 |
| 6 | PLA-5Lim | 0 | 0 | 5 | 0 |
| 7 | PLA-10Lim | 0 | 0 | 10 | 0 |
| 8 | PLA-5Ci | 0 | 0 | 0 | 5 |
| 9 | PLA-10Ci | 0 | 0 | 0 | 10 |
| 10 | PLA-ThCaLim | 3.33 | 3.33 | 3.33 | 0 |
| 11 | PLA-ThCaCi | 3.33 | 3.33 | 0 | 3.33 |
| 12 | PLA-ThLimCi | 3.33 | 0 | 3.33 | 3.33 |
| 13 | PLA-CaLimCi | 0 | 3.33 | 3.33 | 3.33 |
| 14 | PLA-ThCaLimCi | 2.5 | 2.5 | 2.5 | 2.5 |