PVA WATER SOLUBLE FILM - AN OVERVIEW

PVA arrived in handy as it secured farmers from chemical publicity, though the water-soluble pouches intended that fertilizer could even now get to the hungry plants.Gao et al. [59] subjected stearic acid to esterification with PVA to esterify many of the hydroxyl groups while in the PVA molecule. The results in the infrared spectroscopy examinatio