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Coating Compositions for Packaging Articles and Methods of Coating

  • US 20130280455A1
  • Filed: 10/15/2012
  • Published: 10/24/2013
  • Est. Priority Date: 04/16/2010
  • Status: Active Grant
First Claim
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1. An article comprising:

  • a metal substrate of a food or beverage container or a portion thereof; and

    a coating applied on at least a portion of a major surface of the metal substrate, wherein the coating comprises;

    a film-forming amount of a polyether polymer having;

    one or more segment of the following Formula I;



    O—

    Ar—

    (Rn

    Ar)n

    O—

    , wherein;

    each Ar is independently an aryl or heteroaryl group,each n is independently 0 or 1,R, if present, is a divalent organic group, andthe two oxygen atoms are each ether oxygen; and

    a glass transition temperature (Tg) of at least 70°

    C.; and

    wherein the coating composition is at least substantially free of bisphenol A and the diglycidyl ether of bisphenol A.

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