Table 1.
Thickness, water solubility, and water-vapor permeability of thermoplastic modified cornstarch and chitosan composite film.
| Starch:Chitosan Volume Solution Ratios | Thickness (µm) | Solubility (%) | Contact Angle (°) | WVP × 10−11 (g·m−1·s−1·Pa−1) |
|---|---|---|---|---|
| TPS100-CH0 | 110.36 ± 1.61 d | 30.70 ± 2.35 a | 90.58 ± 0.40 d | 26.20 ± 6.43 e |
| TPS75-CH25 | 162.54 ± 7.84 e | 47.24 ± 2.07 b | 86.08 ± 0.06 c | 4.95 ± 0.81 c |
| TPS50-CH50 | 70.06 ± 0.95 b | 49.86 ± 5.30 b | 72.39 ± 0.51 b | 5.74 ± 0.77 d |
| TPS25-CH75 | 90.46 ± 6.48 c | 70.92 ± 7.42 c | 56.79 ± 1.05 a | 0.55 ± 0.03 a |
| TPS0-CH100 | 49.07 ± 2.59 a | 68.84 ± 6.68 c | 67.51 ± 2.02 b | 4.01 ± 0.52 b |
Values with a different letter in the same column denote significant difference (Tukey test; p < 0.05). Values are given as mean ± standard deviation (n = 10 for thickness and n = 3 for solubility, contact angle, and WVP).