Layer composite, suitable as a wound dressing, comprising a...

Details Layer composite, suitable as a wound dressing, comprising a... Layer composite, suitable as a wound dressing, comprising a...

A - Human Necessities

61

L

A61L 15/26 (2006.01) A61L 15/42 (2006.01) C08J 9/30 (2006.01)

Patent

CA 2729732

The invention relates to a layer composite, suitable as a wound dressing, comprising a base layer (10), an absorber layer (20) lying on the base layer, and a cover layer (30), wherein the cover layer (30) is arranged in such a way that it is connected both to the base layer (10) and also to the absorber layer (20), and wherein the base layer (10) comprises a polyurethane foam that is obtained by foaming and drying a composition comprising an aqueous, anionically hydrophilized polyurethane dispersion (I). The invention further relates to a method for producing such a layer composite and to the use thereof as a wound dressing, incontinence product and/or cosmetic article.

L'invention concerne un pansement stratifié, destiné à panser une plaie, comprenant une couche de base (10), une couche absorbante (20) reposant sur la couche de base ainsi qu'une couche de couverture (30). La couche de couverture (30) est configurée de manière à être reliée aussi bien avec la couche de base (10) qu'avec la couche absorbante (20). La couche de base (10) comprend une mousse de polyuréthane qui est obtenue par moussage puis séchage d'une composition comprenant une dispersion de polyuréthane (I) aqueuse, hydrophile à l'état anionique. L'invention concerne en outre un procédé de fabrication d'un tel pansement stratifié ainsi que son utilisation comme pansement de plaies, comme produit pour incontinence et/ou comme article cosmétique.

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