Patent ID: 8440751

Claim:
An aqueous coating composition comprising: at least one organic polymeric film forming agent; a metal cross-linking agent selected from the alkaline earth metals; and a permanent plasticizing agent, wherein the plasticizing agent comprises from about 40% to about 60% of tributoxyethyl phosphate and from about 40% to about 60% a blend of benzoic esters comprising (a) from about 15 to about 20 weight percent actives based on the total weight of the mixture of benzoic acid esters, of an ester represented by the formula PhCO(O)R 1 where Ph represents a phenyl radical and R 1 represents a linear or branched alkyl radical containing 8 carbon atoms, (b) from about 60 to about 65 weight percent, based on the total weight of the mixture of benzoic acid esters, of diethylene glycol dibenzoate, and (c) from about 20 to about 25 weight percent, based on the total weight of the mixture of benzoic acid esters, of diethylene glycol monobenzoate.