Table 1.
Tensile strength in machine direction (TS MD), tensile strength in transversal direction (TS TD), burst strength (BS), seal strength (SS) and Water Vapor Transmission Rate (WVTR) of pure PLA and PLA/melanin modified films.
| Sample | TS MD (MPa) | TS TD (MPa) | BS (MPa) | SS (MPa) | WVTR (g/(m2 × Day)) |
|---|---|---|---|---|---|
| 0 | 59.47 ± 8.86 | 45.87 ± 1.01 | 23.50 ± 2.41 | 10.18 ± 1.68 | 24.60 ± 0.33 |
| 1 | 63.40 ± 4.30 | 61.55 ± 3.23 | 27.45 ± 1.45 | 8.75 ± 2.35 | 21.30 ± 2.56 |
| 2 | 63.78 ± 5.16 | 54.87 ± 2.56 | 23.78 ± 1.59 | 8.92 ± 0.92 | 23.60 ± 0.98 |
| 3 | 45.42 ± 2.84 | 40.78 ± 1.04 | 16.10 ± 2.92 | 7.12 ± 0.77 | 28.20 ± 1.31 |