Patent ID: 6641877
Filing Date: 2003-11-04
Classification: D21H,Y10T

Abstract:
An article for retarding the deterioration rate of acidic paper comprising:a polymer film enclosure comprising a reservoir of deacidifying agent and, at least one barrier layer that substantially inhibits the migration of the deacidifying agent from within the polymer film enclosure, said polymer film enclosure enclosing an acidic paper article, wherein the deacidifying agent migrates over time to the acidic paper article enclosed therein in an amount sufficient to retard the deterioration rate of the paper wherein the deacidifying agent comprises an alkyl amine, a cycloaliphatic amine, an amino-functional ester, an amino-functional acrylate, an amino-functional silicone, an alkoxylated amine, an ethoxylated hydrogenated tallow amine, a hindered amine, or a polyamine.