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.

SampleThickness (cm) (cm2) (g/h) (g/h cm2) (cm2/s)Average (cm2/s) ± standard deviation

PVA (1)5.830 × 10−037.5480.024083.190 × 10−031.882 × 10−051.878 × 10−05 ± 0.006 × 10−05
PVA (2)5.799 × 10−037.5480.024103.193 × 10−031.874 × 10−05

PVA/3% CNC60 (1)5.611 × 10−037.5480.023373.096 × 10−031.758 × 10−051.748 × 10−05 ± 0.015 × 10−05
PVA/3% CNC60 (2)5.534 × 10−037.5480.023413.101 × 10−031.737 × 10−05

PVA/6% CNC60 (1)4.903 × 10−037.5480.022983.045 × 10−031.511 × 10−051.502 × 10−05 ± 0.013 × 10−05
PVA/6% CNC60 (2)4.842 × 10−037.5480.023013.048 × 10−031.493 × 10−05

PVA/9% CNC60 (1)4.402 × 10−037.5480.02284 3.026 × 10−03 1.348 × 10−051.337 × 10−05 ± 0.016 × 10−05
PVA/9% CNC60 (2)4.360 × 10−037.5480.02269 3.006 × 10−03 1.326 × 10−05