Patent ID: 6818150
Filing Date: 2004-11-16
Classification: A23L,B65D,Y10T

Abstract:
A method of initiating oxygen scavenging in a packaging article comprising an oxygen scavenging polymer, comprising:providing the packaging article comprising an oxygen scavenging layer comprising the oxygen scavenging polymer, wherein the packaging article comprises an interior surface and an exterior surface; wetting the interior surface of the packaging article with an aqueous solution comprising a peroxide, to result in a packaging article with a wetted surface; and exposing the wetted surface to an initiating factor comprising ultraviolet light having a wavelength between about 254 nm and about 400 nm, to initiate oxygen scavenging by the packaging article; wherein said method reduces the induction period for oxygen scavenging as compared to a method wherein the interior surface of the packaging article is not first wetted with a peroxide containing aqueous solution.