Resilient foams and uses thereof

  • US 10,800,905 B2
  • Filed: 01/04/2019
  • Issued: 10/13/2020
  • Est. Priority Date: 07/24/2014
  • Status: Active Grant
First Claim
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1. A method of preparing a resilient foam, the method comprising:

  • (a) obtaining a hydrogel comprising a derivatized polyanionic polysaccharide, wherein the hydrogel is a thixotropic hydrogel;

    (b) subjecting the hydrogel to conditions to freeze water comprised in the hydrogel;

    (c) subjecting the hydrogel from step (b) to a drying step to form an open-cell foam; and

    (d) contacting the open-cell foam from step (c) with water to form the resilient foam.

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