Skin adhesive hydrogel, its preparation and uses

Details Skin adhesive hydrogel, its preparation and uses Skin adhesive hydrogel, its preparation and uses

C - Chemistry, Metallurgy

09

J

C09J 201/02 (2006.01) A61F 13/02 (2006.01) A61L 15/22 (2006.01) A61L 15/58 (2006.01) A61L 24/04 (2006.01) C09J 139/06 (2006.01) A61F 13/00 (2006.01) A61L 25/00 (1990.01)

Patent

CA 2129744

SKIN ADHESIVE HYDROGEL, ITS PREPARATION AND USES Abstract A skin adhesive hydrogel formed by mixing in aqueous medium: (A) major proportion of a high molecular weight water-soluble polyvinylpyrrolidone having ring opened pyrrolidone groups and (B) a minor proportion of a water-soluble multifunctional amine- containing polymer to form a water insoluble, water swellable cross-linked salt between carboxyl groups of the ring opened pyrrolidone groups and basic amine groups of the polyfunctional amine-containing polymer. The reaction is advantageously carried out in the presence of a plasticizer.

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