Research Article
An Investigation of Chitosan-Grafted-Poly(vinyl alcohol) as an Electrolyte Membrane
Table 4
Ionic conductivities from the impedance method, methanol permeabilities, together with the selectivities,
, of the membranes.
| Membrane | σ, ionic conductivity | , methanol permeability | | | | |
| CS | 0.69 | 0.79 | 0.87 | CS_X | 1.50 | 0.60 | 2.49 | CS/PVA | 4.05 | 0.36 | 11.10 | CS/PVA_X | 4.17 | 0.21 | 20.15 | CS-g-PVA/PVA | 0.96 | 0.24 | 3.92 | CS-g-PVA/PVA_X | 4.37 | 0.18 | 23.95 | PVA | 1.43 | 0.24 | 5.94 | PVA_X | 2.24 | 0.14 | 15.61 | Nafion 117 | 44.82 | 2.74 | 16.35 |
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