MANUFACTURE OF POLYESTER FILM COATED WITH VINYLIDENE POLYCHLORIDE AND NOVEL COMPOSITE FILM ACQUIRED THROUGH SAID METHOD

摘要

Composite, typically coextruded polyvinylidene chloride (PVDC)-coated polyester films, well adapted, e.g., as packaging materials, include a sulfonated copolyester interlayer which serves as a primer for improvedly adhering the PVDC topcoat to the polyester base.