Research Article
Preparation and Characterization of a Bioartificial Polymeric Material: Bilayer of Cellulose Acetate-PVA
Table 4
Water vapor transmission and water vapor permeability for the prepared materials.
| | Sample | WVT (kg/s·m2) | WVP (kg·m/s·m2·kPa) |
| | CA | 9.6694 × 10−07 ± 3.7695 × 10−08 | 9.5310 × 10−11 ± 6.1328 × 10−12 | | CA + ADD | 2.2465 × 10−06 ± 2.1142 × 10−07 | 1.9991 × 10−10 ± 5.9032 × 10−11 | | PVA | 4.9046 × 10−09 ± 8.4208 × 10−10 | 3.3116 × 10−13 ± 1.1558 × 10−13 | | PVA + ADD | 4.8077 × 10−08 ± 4.2441 × 10−09 | 4.7179 × 10−12 ± 7.6930 × 10−13 | | Bilayer CA side waxed | 7.5240 × 10−08 ± 1.1491 × 10−08 | 2.6514 × 10−11 ± 5.4760 × 10−12 | | Bilayer PVA side waxed | 4.2572 × 10−07 ± 2.8003 × 10−08 | 8.0962 × 10−11 ± 1.0785 × 10−11 |
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