Lignin nanoparticle-enhanced PVA foils for UVB/UVC protection.

ABSTRACT: The growing demand for sustainable packaging, stricter regulations on non-biodegradable plastic waste, and increasing consumer awareness of environmental pollution are driving the development of water-soluble packaging materials. This study investigates the potential of lignin nanoparticles (LNPs) derived from spruce kraft lignin (SKL) and eucalyptus kraft lignin (EKL), as functional additives in polyvinyl alcohol (PVA)-based films to achieve an optimal balance between high transparency and effective UV protection. To improve LNP dispersion within the PVA matrix, hydrophobic domains were introduced into lignin via acetylation, as confirmed by ³¹P NMR spectroscopy. The morphology of the nanoparticles was analyzed using transmission electron microscopy (TEM). The resulting PVA-LNP nanocompos

SUBMITTER: Goliszek-Chabros M 

PROVIDER: S-EPMC12518772 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature