Research Article
Effect of Incorporating Cellulose Nanocrystals from Corncob on the Tensile, Thermal and Barrier Properties of Poly(Vinyl Alcohol) Nanocomposites
Table 1
Values for thickness, area (
),
, stream (
) and water vapor permeability (
) for the films, tested in duplicate.
| Sample | Thickness (cm) | (cm2) | (g/h) | (g/hcm2) | (cm2/s) | Average (cm2/s) ± standard deviation |
| PVA (1) | 5.830 × 10−03 | 7.548 | 0.02408 | 3.190 × 10−03 | 1.882 × 10−05 | 1.878 × 10−05 ± 0.006 × 10−05 | PVA (2) | 5.799 × 10−03 | 7.548 | 0.02410 | 3.193 × 10−03 | 1.874 × 10−05 |
| PVA/3% CNC60 (1) | 5.611 × 10−03 | 7.548 | 0.02337 | 3.096 × 10−03 | 1.758 × 10−05 | 1.748 × 10−05 ± 0.015 × 10−05 | PVA/3% CNC60 (2) | 5.534 × 10−03 | 7.548 | 0.02341 | 3.101 × 10−03 | 1.737 × 10−05 |
| PVA/6% CNC60 (1) | 4.903 × 10−03 | 7.548 | 0.02298 | 3.045 × 10−03 | 1.511 × 10−05 | 1.502 × 10−05 ± 0.013 × 10−05 | PVA/6% CNC60 (2) | 4.842 × 10−03 | 7.548 | 0.02301 | 3.048 × 10−03 | 1.493 × 10−05 |
| PVA/9% CNC60 (1) | 4.402 × 10−03 | 7.548 | 0.02284 | 3.026 × 10−03 | 1.348 × 10−05 | 1.337 × 10−05 ± 0.016 × 10−05 | PVA/9% CNC60 (2) | 4.360 × 10−03 | 7.548 | 0.02269 | 3.006 × 10−03 | 1.326 × 10−05 |
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