Film Composition (chitosan/PVA) | Neutralize (to pH 7) | Swelling (%w/w) |
100:0 | Yes | 147% ± 12% |
50:50 | Yes | 172% ± 10% |
35:65 | Yes | 201% ± 11% |
25:75 | Yes | 207% ± 13% |
5:95 | Yes | 206% ± 16% |
0:100 | Yes | 190% ± 2% |
50:50 | No | Dissolves |