INTERDRAW PRETREATMENT FOR POLYESTER FILM

摘要

An oriented polyester film coated on at least one surface with a coating that improves its adhesion to water-based coatings is disclosed. The coating contains at least one sulfopolyester; at least one tetrablock copolymer resin; and at least one acrylamide/acrylic acid copolymer or salts thereof. Other ingredients, such as particulate materials and surfactants, may be present in the coating. The coating is preferably applied at the interdraw stage.