A review on carboxylic acid cross‐linked polyvinyl alcohol: Properties and applications

Polyvinyl alcohol (PVA) is a nontoxic, biodegradable, and biocompatible polymer and has been used extensively in various fields. Indeed, important features of PVA such as its film‐forming ability, high tensile strength and flexibility, high viscosity, solvent tolerance ability, thermostable nature have made it vital and drawn the attention of scientific community. However, being a water‐soluble polymer, some chemical modifications are required...