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Coating agents and coated articles

  • US 10,266,620 B2
  • Filed: 12/06/2016
  • Issued: 04/23/2019
  • Est. Priority Date: 12/21/2009
  • Status: Active Grant
First Claim
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1. A method for forming a coated article, the method comprising steps of (a) applying a coating composition to a surface of the article, the coating composition comprising a polymer that includes a polymaleic acid derivative or a copolymer of a polymaleic acid derivative, one or more photoreactive groups that are pendent from the polymer, and one or more anionically charged moieties, wherein one or more of the anionically charged moieties is within the polymaleic acid derivative, and wherein the photoreactive groups are individually selected from acetophenone, benzophenone, anthrone, acridone, xanthone, thioxanthone, and anthraquinone;

  • and (b) exposing the coating composition to actinic energy, thereby activating at least some of the photoreactive groups and covalently coupling the coating composition on the surface.

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