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Multi-polymer hydrogels

  • US 7,731,988 B2
  • Filed: 08/03/2007
  • Issued: 06/08/2010
  • Est. Priority Date: 08/03/2007
  • Status: Expired due to Fees
First Claim
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1. A method of forming a multi-polymer hydrogel article comprising:

  • (a) forming a hydrogel structure comprising a first polymeric, water-swellable material,(b) creating an aerogel structure comprising a plurality of open pores by dehydrating the hydrogel structure,(c) contacting the aerogel structure with a second polymeric material to incorporate the second polymeric material into at least a portion of the plurality of open pores to form the multi-polymer hydrogel article, and(d) rehydrating the multi-polymer hydrogel article.

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