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Article of footwear with soil-shedding performance

  • US 10,076,154 B2
  • Filed: 07/30/2015
  • Issued: 09/18/2018
  • Est. Priority Date: 08/27/2014
  • Status: Active Grant
First Claim
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1. An outsole for an article of footwear, the outsole comprising:

  • an outsole substrate; and

    a hydrogel secured to the outsole substrate and defining an external surface of the outsole, wherein the hydrogel comprises crystalline regions and amorphous hydrophilic regions, and wherein the amorphous hydrophilic regions are covalently bonded to the crystalline regions with carbamate linkages, and the amorphous hydrophilic regions are present in the hydrogel at a ratio of at least 20;

    1 by weight relative to the crystalline regions, wherein at least a portion of the amorphous hydrophilic regions each comprise a backbone chain segment and one or more pendant polyether groups grafted to the backbone chain segment.

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