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Methods and materials for the functionalization of polymers and coatings including functionalized polymer

  • US 9,650,176 B2
  • Filed: 08/16/2013
  • Issued: 05/16/2017
  • Est. Priority Date: 02/17/2012
  • Status: Active Grant
First Claim
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1. An article comprising a food or beverage can, or a portion thereof, the article comprising:

  • a metal substrate; and

    a coating disposed on at least a portion of the metal substrate, the coating formed from a coating composition comprising an aqueous dispersion of a water-dispersible polymer, wherein the polymer includes;

    a backbone having at least one heteroatom; and

    a side group that includes at least one salt group, wherein the side group comprises the reaction product of an unsaturated compound having at least one salt or salt-forming group that is attached to another portion of the polymer via reaction of the unsaturated compound with one or more double or triple bonds, with the proviso that the reaction of the unsaturated compound with the one or more double or triple bonds does not require the participation of a free-radical initiator.

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