KURARAY POVAL™ 45-88 E by Kuraray is a partially hydrolyzed polyvinyl alcohol (PVOH) grade. It is used as an adhesive promoter. It is suitable for modification of emulsion adhesives and remoistenable adhesives in the paper processing industry. It exhibits good bonding strength and pigment binding capacity. It provides good cohesion and adhesion to fibers, fillers and pigments. Aqueous solution of KURARAY POVAL™ 45-88 E can be added to polymer emulsion which is already stabilized with polyvinyl alcohol to extend the open time, increase setting speed and influence the rheology. It is designed for use in postage stamps and labels.
Functions: Adhesion Promoter, Binder, Coupling Agent
Chemical Family: Polyvinyl Alcohols & Esters