Polyurethane sponge having rapid iodine release

Details Polyurethane sponge having rapid iodine release Polyurethane sponge having rapid iodine release

C - Chemistry, Metallurgy

08

L

C08L 75/08 (2006.01) A01N 25/10 (2006.01) A01N 25/16 (2006.01) A01N 25/34 (2006.01) A01N 59/12 (2006.01) C08J 9/00 (2006.01)

Patent

CA 2048253

A polyurethane composition has particles of solid polyvinylpyrrolidone-iodine complex evenly distributed throughout the polyurethane matrix so that the complex does not associate with the polyurethane to any appreciable extent. In one embodiment of the composition, the polyurethane is thermoplastic for coating or molding applications. In another embodiment, the composition is a polyurethane foam particularly useful as a sponge for scrubbing which provides almost instantaneous release of the complex. The sponge may be provided in a package which includes other items useful for scrubbing.

Une composition de polyuréthane possède des particules de complexe polyvinylpyrrolidone-iode solide uniformément distribuées dans la totalité de la matrice de polyuréthane de manière que le complexe ne se lie pas de manière appréciable avec le polyuréthane. Dans une application de la composition, le polyuréthane est thermoplastique pour des applications dans le domaine du revêtement ou du moulage. Dans une autre application, la composition est une mousse de polyuréthane particulièrement utile comme éponge à récurer qui assure une libération presque instantanée du complexe. L'éponge peut être offerte dans un ensemble qui peut comprendre d'autres articles utiles pour le récurage.

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