PVA Can be blended with other polymers to switch its Actual physical Qualities. Being an illustration of polymer Qualities, Mixing PVA with chitin, a deacetylated item of chitin (the 2nd most abundant polysaccharide in mother nature), can boost its tensile toughness and elasticity. Scientists enrich PVA Attributes by chemical modifications, https://www.tjcyindustrialchem.com/news/what-is-pva.html