Packaging Coated with an Emulsion Polymerized Latex Polymer

Abstract

A package with a coating composition deposited on at least a portion thereof is disclosed. The coating composition comprises:(a) a latex polymer comprising the emulsion polymerization product of(i) an emulsion monomer component comprising at least one ethylenically unsaturated monomer polymerized in the presence of(ii) a surfactant that is polymerizable with the at least one ethylenically unsaturated monomer.Also disclosed is a method for applying the coating composition to the package.

1 - 22 . (canceled) 
     
     
         23 . A package with a coating composition deposited on at least a portion thereof, wherein the coating composition comprises:
 (a) a latex polymer comprising the emulsion polymerization product of:
 (i) an emulsion monomer component comprising at least one ethylenically unsaturated monomer reacted in the presence of 
 (ii) a surfactant reactive with the at least one ethylenically unsaturated monomer; 
   (b) a curing agent, wherein the curing agent comprises at least one of a phenoplast, aminoplast, hydroxyalkyamide, hydroxyalkylurea, and/or a combination thereof; and   (c) a polar polyolefin.   
     
     
         24 . The package of  claim 23 , wherein the ethylenically unsaturated monomers are free of styrene and/or epoxy group-containing ethylenically unsaturated monomers. 
     
     
         25 . The package of  claim 23 , wherein the coating composition is substantially free of bisphenol A and bisphenol A diglycidyl ether (BADGE). 
     
     
         26 . The package of  claim 23 , wherein the coating composition does not release formaldehyde upon curing. 
     
     
         27 . The package of  claim 23 , wherein the polar polyolefin comprises a polyethylene (meth)acrylic acid copolymer. 
     
     
         28 . The package of  claim 23 , wherein the polar olefin is present in the coating composition in amounts of from 5 to 50 percent by weight based on resin solids weight of the coating composition. 
     
     
         29 . The package of  claim 23 , wherein the latex polymer has an average particle size of from 0.05 to 1.0 microns. 
     
     
         30 . The package of  claim 23 , wherein the latex polymer has a weight average molecular weight of from 100,000 to 800,000. 
     
     
         31 . The package of  claim 23 , wherein:
 the latex polymer is present in the coating composition in amounts of greater than 50 percent by weight based on resin solids weight of the coating composition;   the curing agent is present in the coating composition in amounts of from 5 to 40 percent by weight based on resin solids weight of the coating composition; and   the polar olefin is present in the coating composition in amounts of from 5 to 50 percent by weight based on resin solids weight of the coating composition.   
     
     
         32 . The package of  claim 23 , wherein the package is a metal can. 
     
     
         33 . A package with a coating composition deposited on at least a portion thereof, wherein the coating composition comprises:
 (a) a latex polymer comprising the emulsion polymerization product of:
 (i) an emulsion monomer component comprising at least one ethylenically unsaturated monomer reacted in the presence of 
 (ii) a surfactant reactive with the at least one ethylenically unsaturated monomer; 
   (b) a curing agent, wherein the curing agent comprises at least one of a phenoplast, aminoplast, hydroxyalkyamide, hydroxyalkylurea, and/or a combination thereof; and   (c) a phosphorus acid.   
     
     
         34 . The package of  claim 33 , wherein the ethylenically unsaturated monomers are free of styrene and/or epoxy group-containing ethylenically unsaturated monomers. 
     
     
         35 . The package of  claim 33 , wherein the coating composition is substantially free of bisphenol A and bisphenol A diglycidyl ether (BADGE). 
     
     
         36 . The package of  claim 33 , wherein the coating composition does not release formaldehyde upon curing. 
     
     
         37 . The package of  claim 33 , wherein the phosphorus acid is phosphoric acid. 
     
     
         38 . The package of  claim 33 , wherein the phosphorous acid is present in the coating composition in amounts of from 0.1 to 1.0 percent by weight based on resin solids weight of the coating composition. 
     
     
         39 . The package of  claim 33 , wherein the latex polymer has an average particle size of from 0.05 to 1.0 microns. 
     
     
         40 . The package of  claim 33 , wherein the latex polymer has a weight average molecular weight of from 100,000 to 800,000. 
     
     
         41 . The package of  claim 33 , wherein:
 the latex polymer is present in the coating composition in amounts of greater than 50 percent by weight based on resin solids weight of the coating composition;   the curing agent is present in the coating composition in amounts of from 5 to 40 percent by weight based on resin solids weight of the coating composition; and   the phosphorous acid is present in the coating composition in amounts of from 0.1 to 1.0 percent by weight based on resin solids weight of the coating composition.   
     
     
         42 . The package of  claim 33 , wherein the package is a metal can.