594734.fig.003a
(a)
594734.fig.003b
(b)
594734.fig.003c
(c)
594734.fig.003d
(d)
Figure 3: Microscopic cross-section images of CNF (top) and CNF/10% PF (bottom) films before (left) and after (right) being soaked in water for 5 min. The scale bars represent 200 μm.