High-Performance Biocomposite Polyvinyl Alcohol (PVA) Films Modified with Cellulose Nanocrystals (CNCs), Tannic Acid (TA), and Chitosan (CS) for Food Packaging

Figure 1

SEM images of PVA biocomposite films: (a) PVA film; (b) PVA/5%CNCs; (c) PVA/5%CNCs/8%TA; (d) PVA/5%CNCs/8%TA/10%CS.

(a)

(b)

(c)

(d)