Table 2.
Physico-mechanical properties of UV-C-irradiated crosslinked GT-based films.
| Films | TS (MPa) |
TM (MPa) |
Eb (%) |
WVP (g·mm/m2·day·kPa) | WS (%) |
|---|---|---|---|---|---|
| Pure GT (without RF) without UV-C | 21.02 ± 0.33 b | 125.93 ± 1.66 a | 86.01 ± 4.25 e | 20.49 ± 0.29 i | 100 ± 0.00 |
| RF without UV-C | 28.05 ± 1.24 c | 294.49 ± 2.10 c | 80.55 ± 1.48 de | 17.11 ± 0.14 h | 31.78 ± 0.36 i |
| RF-4 min UV-C | 34.14 ± 0.9 d | 323.51 ± 2.56 d | 82.83 ± 6.73 e | 13.33 ± 0.18 f | 22.14 ± 1.74 g |
| RF-9 min UV-C | 44.11 ± 4.57 fg | 427.6 ± 2.13 g | 35.26 ± 0.94 a | 9.72 ± 0.15 e | 17.38 ± 0.74 f |
| RF-13 min UV-C | 46.69 ± 2.18 g | 573.1 ± 2.43 j | 67.4 ± 1.98 c | 6.71 ± 0.18 c | 11.85 ± 0.083 d |
| RF-17 min UV-C | 42.35 ± 3.05 ef | 495.06 ± 8.52 i | 74.43 ± 5.09 cd | 7.42 ± 0.23 d | 13.08 ± 0.069 e |
| RF-22 min UV-C | 9.33 ± 0.77 a | 166.4 ± 3.8 b | 44.6 ± 5.28 b | 14.74 ± 0.39 g | 25.26 ± 0.61 h |
| RF-0.5% NE-13 min UV-C | 43.31 ± 0.53 fg | 470.59 ± 5.79 h | 70.61 ± 2.43 c | 6.27 ± 0.45 c | 9.37 ± 0.24 c |
| RF-0.75% NE-13 min UV-C | 40.69 ± 2.19 ef | 410.59 ± 10.23 f | 81.95 ± 3.05 e | 4.87 ± 0.72 b | 6.82 ± 0.51 b |
| RF-1% NE-13 min UV-C | 38.78 ± 1.46 e | 333.92 ± 7.39 e | 97.99 ± 3.51 f | 3.74 ± 0.32 a | 5.50 ± 0.24 a |
Values are presented as mean ± standard deviation. In each column, means with the same lowercase letter are not significantly different (p > 0.05). RF was used at a concentration of 1.25% (w/w of GT).