Avery Dennison Corporation
Universal Printable Topcoat for Graphics

Abstract:

Coated substrates comprising a topcoat are disclosed. The coated substrate may be substantially free of PVC while having performance comparable to a coated substrate comprising PVC. The topcoat may comprise a base polymer comprising a polyvinylpyrrolidone copolymer, such as polyvinylpyrrolidone/vinyl acetate. The base polymer may also comprise a cationic acrylic resin. The topcoat may also comprise a pigment system and optionally, a crosslinking system.