Table 3.
Thickness, mechanical, and thermal characteristics of unmodified and modified alginate films.
| Sample | Thickness (mm) | TS (MPa) | EB (%) | Tm (°C) | ∆Hm (J/g) |
|---|---|---|---|---|---|
| ALG | 0.041 ± 0.020 a | 7.59 ± 2.69 a | 2.16 ± 0.96 a | 127.5 ± 1.9 a | 103.0 ± 13.2 a |
| ALG + 0.10% MEL | 0.045 ± 0.028 aA | 5.97 ± 1.12 aA | 2.12 ± 1.12 aA | 128.1 ± 1.9 aA | 106.0 ± 13.6 aA |
| ALG + 0.25% MEL | 0.036 ± 0.020 aA | 7.26 ± 6.80 aA | 3.44 ± 1.97 bB | 128.0 ± 1.9 aA | 73.5 ± 9.4 bB |
| ALG + 0.50% MEL | 0.036 ± 0.014 aA | 17.59 ± 3.91 bB | 5.21 ± 1.40 cC | 99.8 ± 1.5 bB | 66.7 ± 8.5 bB |
| ALG + 0.10% MEL + nZnO | 0.047 ± 0.007 bA | 5.95 ± 2.84 aA | 1.98 ± 1.04 aA | 97.5 ± 1.5 bA | 129.3 ± 16.6 aA |
| ALG + 0.25% MEL + nZnO | 0.044 ± 0.010 aA | 5.45 ± 1.85 aA | 1.39 ± 0.67 aA | 100.8 ± 1.5 cB | 126.2 ± 16.2 aA |
| ALG + 0.50% MEL + nZnO | 0.041 ± 0.008 aA | 6.10 ± 3.06 aA | 1.60 ± 0.32 aA | 96.9 ± 1.5 bA | 122.6 ± 15.7 aA |
| ALG + 0.10% MEL + nAg | 0.033 ± 0.003 aA | 14.99 ± 3.16 bA | 1.69 ± 0.25 aA | 105.1 ± 1.6 bA | 158.4 ± 20.3 bA |
| ALG + 0.25% MEL + nAg | 0.030 ± 0.006 aA | 15.64 ± 8.27 bA | 2.19 ± 0.36 aA | 95.3 ± 1.4 cB | 147.7 ± 18.9 bA |
| ALG + 0.50% MEL + nAg | 0.037 ± 0.012 cA | 15.78 ± 6.47 bA | 2.40 ± 1.06 aA | 97.5 ± 1.5 cB | 151.7 ± 19.4 bA |
Values are means ± standard deviation. Means with different lowercase (a–c) are significantly different at p < 0.05 (compared to control), means with different uppercase (A–C) are significantly different at p < 0.05 (compared to other variants within groups).