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1. An inside spray beverage can coating composition, comprising: an emulsion polymerized latex polymer that is prepared from ingredients including: a salt of an acid- or anhydride-functional acrylic polymer and an amine;an ethylenically unsaturated monomer component that includes a vinyl aromatic compound and an oxirane-group containing monomer; andwater;wherein the coating composition is substantially free of bound bisphenol A, and wherein the coating composition is suitable for forming an inside spray coating of a two-piece drawn and ironed aluminum be...
1. An inside spray beverage can coating composition, comprising: an emulsion polymerized latex polymer that is prepared from ingredients including: a salt of an acid- or anhydride-functional acrylic polymer and an amine;an ethylenically unsaturated monomer component that includes a vinyl aromatic compound and an oxirane-group containing monomer; andwater;wherein the coating composition is substantially free of bound bisphenol A, and wherein the coating composition is suitable for forming an inside spray coating of a two-piece drawn and ironed aluminum beverage can. 2. The coating composition of claim 1, wherein the oxirane-group containing monomer is present in an amount of 0.1 wt-% to 30 wt-%, based on the weight of the ethylenically unsaturated monomer component. 3. The coating composition of claim 1, wherein the oxirane-group containing monomer is present in an amount of more than 5 wt-% to 9 wt-%, based on the weight of the ethylenically unsaturated monomer component. 4. The coating composition of claim 1, wherein the ethylenically unsaturated monomer component comprises a vinyl aromatic component that is at least 20 wt-% of the ethylenically unsaturated monomer component, and wherein the vinyl aromatic component comprises one or more aromatic compounds. 5. The coating composition of claim 1, wherein the vinyl aromatic compound is styrene. 6. The coating composition of claim 1, wherein the ethylenically unsaturated monomer component comprises at least 20 wt-% of styrene. 7. The coating composition of claim 1, wherein the ethylenically unsaturated monomer component includes ethyl acrylate. 8. The coating composition of claim 1, wherein the ethylenically unsaturated monomer component includes ethyl acrylate, styrene, and glycidyl methacrylate. 9. The coating composition of claim 1, wherein the ethylenically unsaturated monomer component includes butyl acrylate, styrene, and glycidyl methacrylate. 10. The coating composition of claim 1, wherein the coating composition is made without using PVC compounds. 11. The coating composition of claim 1, wherein the emulsion polymerized latex polymer is substantially free of bound aromatic glycidyl ether compounds. 12. The coating composition of claim 1, wherein the ethylenically unsaturated monomer component does not include acrylamide, methacrylamide, N-isobutoxymethyl acrylamide, or N-butoxymethyl acrylamide. 13. The coating composition of claim 1, wherein the ethylenically unsaturated monomer component does not include any vinyl acrylamide monomers. 14. The coating composition of claim 1, wherein at least 25 wt-% of the ethylenically unsaturated monomer component is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the acid- or anhydride-functional acrylic polymer. 15. The coating composition of claim 1, wherein the acid- or anhydride-functional acrylic polymer has a number average molecular weight of 1,500 to 50,000. 16. The coating composition of claim 1, wherein the acid- or anhydride-functional acrylic polymer has a number average molecular weight of 2,000 to 20,000. 17. The coating composition of claim 1, wherein the acid- or anhydride-functional acrylic polymer has an acid number of at least 40. 18. The coating composition of claim 1, wherein at least 40 wt-% of the ethylenically unsaturated monomer component comprises one or more monomers selected from alkyl acrylates and methacrylates. 19. The coating composition of claim 1, wherein the coating composition, when spray applied onto an interior of a 12 ounce two-piece drawn and ironed aluminum beverage can at 120 to 130 milligrams per can coating weight and cured at 188° C. to 199° C. (measured at the can dome) for 30 seconds, exhibits a global extraction result of less than 10 ppm. 20. The coating composition of claim 1, wherein the coating composition, when spray applied onto an interior of a 12 ounce two-piece drawn and ironed aluminum beverage can at 120 to 130 milligrams per can coating weight and cured at 188° C. to 199° C. (measured at the can dome) for 30 seconds, shows no craze after the outside of the dome apex of the can is subjected to a 12 in-lbs reverse impact. 21. The coating composition of claim 1, wherein the coating composition, when spray applied onto an interior of a 12 ounce two-piece drawn and ironed aluminum beverage can at 120 to 130 milligrams per can coating weight and cured at 188° C. to 199° C. (measured at the can dome) for 30 seconds, exhibits no adhesion failure when tested pursuant to ASTM D-3359-Test method B after retort in deionized water for 90 minutes at a heat of 121° C. and a corresponding pressure. 22. The coating composition of claim 1, wherein at least 10 wt-% of the salt of the acid- or anhydride-functional acrylic polymer is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the acid- or anhydride-functional acrylic polymer. 23. The coating composition of claim 1, wherein the coating composition is made without using PVC compounds. 24. The coating composition of claim 1, wherein the acid- or anhydride-functional acrylic polymer comprises an organic-solution polymerized acid- or anhydride-functional acrylic polymer. 25. The coating composition of claim 24, wherein the polymerizable unsaturated monomers used to generate the organic-solution polymerized acid- or anhydride-functional acrylic polymer include methacrylic acid, styrene, and ethyl acrylate. 26. The coating composition of claim 24, wherein the oxirane-group containing monomer is present in an amount of more than 5 wt-% to 30 wt-%, based on the weight of the ethylenically unsaturated monomer component. 27. The coating composition of claim 24, wherein the oxirane group-containing monomer comprises glycidyl methacrylate. 28. The coating composition of claim 24, wherein the coating composition is substantially free of bound aromatic glycidyl ether compounds. 29. The coating composition of claim 24, wherein at least 50 wt-% of the ethylenically unsaturated monomer component is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the organic-solution polymerized acid- or anhydride-functional acrylic polymer. 30. The coating composition of claim 24, wherein the organic-solution polymerized acid- or anhydride-functional acrylic polymer has an acid number of at least 40. 31. The coating composition of claim 24, wherein the organic-solution polymerized acid- or anhydride-functional acrylic polymer has an acid number of at least 100. 32. The coating composition of claim 24, wherein the acid- or anhydride-functional acrylic polymer comprises more than 30 wt-% acid- or anhydride-functional monomers, based on the weight of polymerizable unsaturated monomer used to generate the organic-solution polymerized acid- or anhydride-functional acrylic polymer. 33. The coating composition of claim 24, wherein the acid- or anhydride-functional monomers included in the polymerizable unsaturated monomers used to generate the organic-solution polymerized acid-or anhydride-functional acrylic polymer consists of methacrylic acid. 34. The coating composition of claim 24, wherein at least 40 wt-% of the ethylenically unsaturated monomer component comprises one or more monomers selected from alkyl acrylates and methacrylates. 35. The coating composition of claim 24, wherein the coating composition, when spray applied onto an interior of a 12 ounce two-piece drawn and ironed aluminum beverage can at 120 to 130 milligrams per can coating weight and cured at 188° C. to 199° C. (measured at the can dome) for 30 seconds, exhibits a global extraction result of less than 1 ppm. 36. The coating composition of claim 24, wherein the coating composition, when spray applied onto an interior of a 12 ounce two-piece drawn and ironed aluminum beverage can at 120 to 130 milligrams per can coating weight and cured at 188° C. to 199° C. (measured at the can dome) for 30 seconds, exhibits a metal exposure of less than 2 mA on average when the can is filled with 1% NaCl in deionized water and tested pursuant to the Initial Metal Exposure test method disclosed herein. 37. The coating composition of claim 24, wherein the coating composition, when spray applied onto an interior of a 12 ounce two-piece drawn and ironed aluminum beverage can at 120 to 130 milligrams per can coating weight and cured at 188° C. to 199° C. (measured at the can dome) for 30 seconds, shows no craze after the outside of the dome apex of the can is subjected to a 12 in-lbs reverse impact. 38. The coating composition of claim 24, wherein the coating composition, when spray applied onto an interior of a 12 ounce two-piece drawn and ironed aluminum beverage can at 120 to 130 milligrams per can coating weight and cured at 188° C. to 199° C. (measured at the can dome) for 30 seconds, exhibits no adhesion failure when tested pursuant to ASTM D-3359-Test method B after retort in deionized water for 90 minutes at a heat of 121° C. and a corresponding pressure. 39. The coating composition of claim 24, wherein at least 10 wt-% of the salt of the organic-solution polymerized acid- or anhydride-functional acrylic polymer is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the acid- or anhydride-functional acrylic polymer. 40. The coating composition of claim 1, wherein the oxirane group-containing monomer comprises glycidyl methacrylate, glycidyl acrylate, or a mixture of glycidyl methacrylate and glycidyl acrylate. 41. The coating composition of claim 40, wherein at least 60 wt-% of the ethylenically unsaturated monomer component is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the acid- or anhydride-functional acrylic polymer. 42. The coating composition of claim 41, wherein the acid- or anhydride-functional acrylic polymer has an acid number of at least 100. 43. The coating composition of claim 1, wherein the coating composition includes a crosslinker. 44. The coating composition of claim 43, wherein the crosslinker comprises a phenoplast crosslinker. 45. The coating composition of claim 1, wherein the acid- or anhydride-functional acrylic polymer comprises more than 15 wt-% acid- or anhydride-functional monomers, based on the weight of polymerizable unsaturated monomer used to generate the acid- or anhydride-functional acrylic polymer. 46. The coating composition of claim 45, wherein the polymerizable unsaturated monomers used to generate the acid- or anhydride-functional acrylic polymer includes methacrylic acid and does not include acrylic acid. 47. The coating composition of claim 1, wherein the amine comprises a tertiary amine. 48. The coating composition of claim 47, wherein the tertiary amine comprises triethyl amine or dimethyl ethanol amine. 49. The coating composition of claim 1, wherein the coating composition, when spray applied onto an interior of a 12 ounce two-piece drawn and ironed aluminum beverage can at 120 to 130 milligrams per can coating weight and cured at 188° C. to 199° C. (measured at the can dome) for 30 seconds, exhibits a metal exposure of less than 3 mA on average when the can is filled with 1% NaCl in deionized water and tested pursuant to the Initial Metal Exposure test method disclosed herein. 50. The coating composition of claim 49, wherein the coating composition, when spray applied onto an interior of a 12 ounce two-piece drawn and ironed aluminum beverage can at 120 to 130 milligrams per can coating weight and cured at 188° C. to 199° C. (measured at the can dome) for 30 seconds, exhibits no adhesion failure when tested pursuant to ASTM D-3359-Test method B after retort in deionized water for 90 minutes at a heat of 121° C. and a corresponding pressure. 51. The coating composition of claim 49, wherein the coating composition, when spray applied onto an interior of a 12 ounce two-piece drawn and ironed aluminum beverage can at 120 to 130 milligrams per can coating weight and cured at 188° C. to 199° C. (measured at the can dome) for 30 seconds, shows no craze after the outside of the dome apex of the can is subjected to a 12 in-lbs reverse impact. 52. The coating composition of claim 51, wherein the coating composition, when spray applied onto an interior of a 12 ounce two-piece drawn and ironed aluminum beverage can at 120 to 130 milligrams per can coating weight and cured at 188° C. to 199° C. (measured at the can dome) for 30 seconds, exhibits no adhesion failure when tested pursuant to ASTM D-3359-Test method B after retort in deionized water for 90 minutes at a heat of 121° C. and a corresponding pressure. 53. An inside spray beverage can coating composition, comprising: an emulsion polymerized latex polymer prepared from ingredients including: a salt of an organic-solution polymerized acid or anhydride-functional acrylic polymer and a tertiary amine;an ethylenically unsaturated monomer component that includes an alkyl (meth)acrylate, a vinyl aromatic compound, and an oxirane-group containing monomer; andwater;wherein the coating composition is substantially free of bound bisphenol A, and wherein the coating composition is suitable for forming an inside spray coating of a two-piece drawn and ironed aluminum beverage can. 54. The coating composition of claim 53, wherein the oxirane-functional monomer comprises glycidyl methacrylate. 55. The coating composition of claim 53, wherein the tertiary amine comprises triethyl amine or dimethyl ethanol amine. 56. The coating composition of claim 53, wherein the coating composition is substantially free of bound aromatic glycidyl ether compounds. 57. The coating composition of claim 53, wherein the coating composition includes a phenoplast crosslinker. 58. The coating composition of claim 53, wherein the coating composition is made without using PVC compounds. 59. The coating composition of claim 53, wherein the polymerizable unsaturated monomers used to generate the organic-solution polymerized acid- or anhydride-functional acrylic polymer include methacrylic acid, styrene, and ethyl acrylate. 60. The coating composition of claim 59, wherein the vinyl aromatic compound comprises styrene. 61. The coating composition of claim 60, wherein the oxirane-functional monomer comprises glycidyl methacrylate. 62. The coating composition of claim 59, wherein the ethylenically unsaturated monomer component comprises at least 20 wt-% of styrene. 63. The coating composition of claim 62, wherein the oxirane-functional monomer comprises glycidyl methacrylate. 64. The coating composition of claim 63, wherein at least 50 wt-% of the ethylenically unsaturated monomer component is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the organic-solution polymerized acid- or anhydride-functional acrylic polymer. 65. The coating composition of claim 59, wherein the oxirane-functional monomer comprises glycidyl methacrylate. 66. The coating composition of claim 59, wherein at least 50 wt-% of the ethylenically unsaturated monomer component is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the organic-solution polymerized acid- or anhydride-functional acrylic polymer. 67. The coating composition of claim 53, wherein the vinyl aromatic compound comprises styrene. 68. The coating composition of claim 67, wherein the oxirane-functional monomer comprises glycidyl methacrylate. 69. The coating composition of claim 53, wherein the ethylenically unsaturated monomer component comprises at least 20 wt-% of styrene. 70. The coating composition of claim 69, wherein the oxirane-functional monomer comprises glycidyl methacrylate. 71. The coating composition of claim 53, wherein at least 50 wt-% of the ethylenically unsaturated monomer component is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the organic-solution polymerized acid- or anhydride-functional acrylic polymer. 72. The coating composition of claim 71, wherein at least 10 wt-% of the salt of the organic-solution polymerized acid- or anhydride-functional acrylic polymer is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the acid- or anhydride-functional acrylic polymer. 73. An inside spray beverage can coating composition, comprising: an emulsion polymerized latex polymer, wherein the emulsion polymerized latex polymer is substantially free of bound bisphenol A and bound aromatic glycidyl ether compounds and is prepared from ingredients including: a salt of an organic-solution polymerized acid- or anhydride-functional acrylic polymer and a tertiary amine,an ethylenically unsaturated monomer component that includes an alkyl (meth)acrylate, a glycidyl ester of an alpha, beta-ethylenically unsaturated acid or anhydride, and a vinyl aromatic component that is at least 20 wt-% of the ethylenically unsaturated monomer component, and wherein the vinyl aromatic component comprises one or more aromatic compounds, andwater; anda phenoplast crosslinker;wherein the coating composition is substantially free of bound bisphenol A, and wherein the coating composition is suitable for forming an inside spray coating of a two-piece drawn and ironed aluminum beverage can. 74. The coating composition of claim 73, wherein the polymerizable unsaturated monomers used to generate the organic-solution polymerized acid- or anhydride-functional acrylic polymer include styrene. 75. The coating composition of claim 73, wherein the polymerizable unsaturated monomers used to generate the organic-solution polymerized acid- or anhydride-functional acrylic polymer include ethyl acrylate. 76. The coating composition of claim 73, wherein the tertiary amine comprises triethyl amine or dimethyl ethanol amine. 77. The coating composition of claim 73, wherein the coating composition is substantially free of bound glycidyl ether compounds. 78. The coating composition of claim 73, wherein the coating composition is made without using PVC compounds. 79. The coating composition of claim 73, wherein the organic-solution polymerized acid- or anhydride-functional acrylic polymer comprises more than 15 wt-% acid- or anhydride-functional monomers, based on the weight of polymerizable unsaturated monomer used to generate the acid- or anhydride-functional acrylic polymer. 80. The coating composition of claim 79, wherein the polymerizable unsaturated monomers used to generate the organic-solution polymerized acid- or anhydride-functional acrylic polymer include ethyl acrylate. 81. The coating composition of claim 79, wherein the polymerizable unsaturated monomers used to generate the organic-solution polymerized acid- or anhydride-functional acrylic polymer include styrene. 82. The coating composition of claim 79, wherein the polymerizable unsaturated monomers used to generate the organic-solution polymerized acid- or anhydride-functional acrylic polymer include methacrylic acid. 83. The coating composition of claim 82, wherein the polymerizable unsaturated monomers used to generate the organic-solution polymerized acid- or anhydride-functional acrylic polymer include ethyl acrylate. 84. The coating composition of claim 79, wherein at least 50 wt-% of the ethylenically unsaturated monomer component is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the organic-solution polymerized acid- or anhydride-functional acrylic polymer. 85. The coating composition of claim 84, wherein the polymerizable unsaturated monomers used to generate the organic-solution polymerized acid- or anhydride-functional acrylic polymer include ethyl acrylate. 86. The coating composition of claim 84, wherein at least 10 wt-% of the salt of the organic-solution polymerized acid- or anhydride-functional acrylic polymer is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the acid- or anhydride-functional acrylic polymer. 87. An inside spray beverage can coating composition, comprising: an emulsion polymerized latex polymer, and wherein the emulsion polymerized latex polymer is prepared from ingredients including: a salt of an organic-solution polymerized acid- or anhydride-functional acrylic polymer and a tertiary amine, wherein the polymerizable unsaturated monomers used to generate the organic-solution polymerized acid- or anhydride-functional acrylic polymer include ethyl acrylate, methacrylic acid, and styrene,an ethylenically unsaturated monomer component that includes glycidyl methacrylate, styrene, and an alkyl (meth)acrylate, wherein at least 50 wt-% of the ethylenically unsaturated monomer component is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the organic-solution polymerized acid- or anhydride-functional acrylic polymer, andwater;wherein the coating composition is substantially free of bound bisphenol A, and wherein the coating composition is suitable for forming an inside spray coating of a two-piece drawn and ironed aluminum beverage can. 88. The coating composition of claim 87, wherein the alkyl (meth)acrylate comprises ethyl acrylate. 89. The coating composition of claim 87, wherein the ethylenically unsaturated component comprises at least 20 wt-% styrene. 90. The coating composition of claim 87, wherein at least 15 wt-% of the salt of the organic-solution polymerized acid- or anhydride-functional acrylic polymer is used in making the latex polymer, based on the total weight of ethylenically unsaturated monomer component and salt of the organic-solution polymerized acid- or anhydride-functional acrylic polymer. 91. The coating composition of claim 87, wherein the coating composition is made without using PVC compounds. 92. The coating composition of claim 87, wherein the coating composition is substantially free of bound aromatic glycidyl ether compounds. 93. The coating composition of claim 87, wherein the coating composition includes a phenoplast crosslinker. 94. The coating composition of claim 93, wherein the tertiary amine comprises triethyl amine or dimethyl ethanol amine. 95. The coating composition of claim 87, wherein at least 40 wt-% of the ethylenically unsaturated monomer component comprises one or more monomers selected from alkyl acrylates and methacrylates. 96. The coating composition of claim 95, wherein the alkyl (meth)acrylate comprises ethyl acrylate. 97. The coating composition of claim 95, wherein the ethylenically unsaturated component comprises at least 20 wt-% styrene.