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Hydrophilic foam compositions

  • US 5,065,752 A
  • Filed: 05/28/1991
  • Issued: 11/19/1991
  • Est. Priority Date: 03/29/1988
  • Status: Expired due to Term
First Claim
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1. A composite for use in a wound dressing comprising a substrate, a medically acceptable adhesive deposited on said substrate and a hydrophilic foam composition carried by said adhesive, said composition comprising the in situ reaction product of:

  • (a) an isocyanate-capped polyether prepolymer,(b) a polymeric hydrophilic agent capable of absorbing water,(c) an adjuvant comprising an alcohol selected from the group consisting of water soluble monols, diols and polyhydric alcohols,(d) a wetting agent, and(e) water, said hydrophilic foam composition releasably carrying said adjuvant so that said foam composition is capable of absorbing an external liquid and tightly carrying said liquid in preference to at least a portion of said adjuvant so that said adjuvant is released in the presence of the external liquid.

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