Table 4.
% water sorption, water vapor transmission rate (WVTR), and oxygen permeability (OP) of all tested PVOH/ZnO/NaMt nanocomposite films as well as of PVOH/NaMt nanocomposite and pure PVOH films.
Samples Code Names | % Water Sorption | WVTR (g/m2/d) | OP (cm3.mm/m2/d) |
---|---|---|---|
PVOH | 633.3 ± 5.5 | 30.1 ± 0.3 | 9.5 ± 0.4 |
PVOH/NaMt | 626.3 ± 4.4 | 28.5 ± 0.4 | 6.5 ± 0.3 |
PVOH/ZnO/NaMt-4 | 66.5 ± 2.3 | 23.7 ± 0.3 | 4.5 ± 0.2 |
PVOH/ZnO/NaMt-2 | 155.9 ± 3.2 | 25.3 ± 0.3 | 4.6 ± 0.3 |
PVOH/ZnO/NaMt-1 | 165.2 ± 3.1 | 27.2 ± 0.2 | 4.7 ± 0.2 |
PVOH/ZnO/NaMt-0.7 | 220.2 ± 3.6 | 28.5 ± 0.2 | 5.9 ± 0.2 |
PVOH/ZnO/NaMt-0.5 | 290.5 ± 3.5 | 30.9 ± 0.3 | 7.4 ± 0.2 |
PVOH/ZnO/NaMt-0.4 | 310.3 ± 3.8 | 33.3 ± 0.3 | 9.1 ± 0.3 |