Hydrogel attached to backing and method for making same

Details Hydrogel attached to backing and method for making same Hydrogel attached to backing and method for making same

C - Chemistry, Metallurgy

08

J

C08J 5/12 (2006.01) B32B 9/02 (2006.01) C08J 3/075 (2006.01) C08J 7/12 (2006.01)

Patent

CA 2440128

The present invention relates to a method of making a preformed hydrogel attach to a polymer backing comprising exposing a surface of the backing to an activated gas and depositing the preformed hydrogel on the exposed surface of the backing, and hydrogel products so formed. This hydrogel product can be used as an active ingredient delivery device, a wound cover and a diagnostic tool. It advantageously replaces hydrogel products using chemicals as adhesive agents.

Procédé permettant de fixer un hydrogel préformé à un support polymère, qui consiste à exposer une surface du support à un gaz activé et à déposer l'hydrogel préformé sur la surface exposée du support. La présente invention concerne également des produits à base d'hydrogel ainsi obtenus. Ce produit à base d'hydrogel peut être utilisé en tant que dispositif d'administration d'un principe actif, pansement pour blessure et en tant qu'outil diagnostique. Il remplace avantageusement les produits à base d'hydrogel dans lesquels des produits chimiques sont utilisés en tant qu'adhésifs.

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