Antimicrobial adhesive latexes, methods of making thereof,...

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 3/00 (2006.01) A01N 59/16 (2006.01) A61K 33/38 (2006.01) C09J 11/04 (2006.01) D06N 7/00 (2006.01)

Patent

CA 2419403

Broadly defined adhesive latex formulations exhibiting antimicrobial properties. Such formulations comprise certain antimicrobial compounds, such as, preferably, metal-containing ion-exchange and/or zeolite compounds, are provided. The inventive latex formulations must also exhibit substantially uniform characteristics (such a similar viscosity and/or appearance throughout) in order to provide a functionally and aestheticially pleasing formulation for utilization within any number of applications. In order to provide such an inventive latex formulation, it has been found that compounding of all the base ingredients (polymer, antimicrobial agent, fillers) must be undertaken prior to the final thickening step, which ultimately produces the desired latex. The specific method of producing such formulations is also encompassed within this invention.

L'invention concerne des préparations de latex adhésif présentant des propriétés antimicrobiennes. Ces préparations contiennent certains composés antimicrobiens, tels que, de préférence, des composés zéolites et/ou échangeurs d'ions à teneur en métal. Les préparations de latex décrites dans cette invention doivent également présenter des caractéristiques sensiblement uniformes (telles qu'une viscosité et/ou une apparence similaires d'un bout à l'autre) afin de fournir une préparation fonctionnellement et esthétiquement acceptable pouvant être utilisée dans de très nombreuses applications. Pour obtenir une telle préparation de latex, la formulation de tous les ingrédients de base (polymère, agent antimicrobien, matières de charge) doit être réalisée avant l'étape finale de l'épaississement, laquelle étape permet, enfin, d'obtenir le latex désiré. La présente invention concerne également un procédé permettant d'élaborer les préparations susmentionnées.

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