Patent ID: 6287658
Filing Date: 2001-09-11
Classification: B32B,C09J,Y10S,Y10T

Abstract:
A wound roll of a flexible composite suitable as a packaging material comprising in order:(a) a release coating formed from a water-soluble or water-dispersible composition comprising a perfluoroalkyl acrylate polymer and a film forming polymer wherein the perfluoroalkyl acrylate polymer is present in an amount of from 5 to 100% by weight of the film forming polymer and wherein the film forming polymer is selected from the group consisting of polyvinyl alcohol, starch, polyvinyl acetate, polyamides, polyvinyl pyrrolidone, poly (2-ethyl-2-oxazoline), polyvinyl chloride, and polyethyleneimine;(b) a flexible polyester support for the release layer;(c) an adhesive;(d) a flexible polymeric film support;(e) a cold seal adhesive, wherein the release layer and cold seal adhesive contact one another in the wound roll.