Table 1.
Thickness, water content, water-solubility, swelling, and water vapor permeability (WVP) of the SPS and SPS/SPP films at CA of 0%, 1%, 1.5%, and 2%.
| Sample | Thickness (mm) | Water Content (%) | Water Solubility (%) | Swelling (%) |
WVP (10−11 g/Pa h m) |
|---|---|---|---|---|---|
| SPS CA 0% | 0.103 ± 0.001 g | 8.14 ± 0.34 a | 15.4 ± 0.19 c | 6.61 ± 0.55 h | 1.81 ± 0.12 ab |
| SPS CA 1% | 0.138 ± 0.004 f | 7.90 ± 0.67 a | 45.23 ± 10.29 b | 98.34 ± 0.23 e | 1.34 ± 0.35 ab |
| SPS CA 1.5% | 0.155 ± 0.005 e | 8.20 ± 0.47 a | 65.29 ± 0.81 a | 91.87 ± 0.19 f | 0.68 ± 0.08 b |
| SPS CA 2% | 0.205 ± 0.003 c | 8.37 ± 1.17 a | 60.72 ± 5.14 a | 148.07 ± 2.73 b | 0.76 ± 0.58 b |
| SPS/SPP CA 0% | 0.161 ± 0.002 d | 7.50 ±1.01 a | 22.83 ± 1.63 c | 70.81 ± 1.15 g | 2.36 ± 0.79 a |
| SPS/SPP CA 1% | 0.209 ± 0.006 c | 8.43 ± 0.82 a | 57.26 ± 2.88 ab | 128.68 ± 0.96 c | 2.45 ± 0.40 a |
| SPS/SPP CA 1.5% | 0.219 ± 0.004 b | 7.44 ± 0.74 a | 57.60 ± 5.93 ab | 102.94 ± 0.96 d | 2.51 ± 0.90 a |
| SPS/SPP CA 2% | 0.238 ± 0.006 a | 6.77 ± 0.16 a | 60.58 ± 7.24 a | 223.32 ± 2.38 a | 2.37 ± 0.85 a |
Different superscript lowercase letters within the same column indicate significant differences by the Fisher’s test (p < 0.05).