Coating composition for beverage containers
AssigneeSwimc LLC
InventorsDenis Perisse, Sophie Bouvy, Thierry Meunier
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Abstract
Beverage containers and methods of coating are provided. The beverage containers include a metal substrate that is at least partially coated with a coating prepared from a composition that includes a binder system, a cross linker, and a catalyst.
Claims63
An aqueous coating composition for a beverage container, the aqueous coating composition comprising:
- a carrier fluid;
- a polyolefin binder system;
- a nitrogen-containing carboxyl reactive cross linker;
- and
- a water-dispersible transition metal catalyst.
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The aqueous coating composition of any preceding claim, wherein the coating composition is an interior beverage can end coating composition and further includes a lubricant and, when applied to a cleaned and chrome-free pretreated aluminum panel and cured for 12 seconds to a peak metal temperature of 249° C. to achieve a dried film thickness of approximately 12 grams per square meter and formed into a fully converted 202 standard opening beverage can end, passes less than 5 milliamps of current while being exposed for 4 seconds to an electrolyte solution containing 1% by weight of NaCl dissolved in deionized water.
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Dependencies are inferred from the claim text.