A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 2/232 (2006.01) A61L 2/16 (2006.01) B05D 3/14 (2006.01)
Patent
CA 2603921
The invention relates to a method for producing a microbial substance- releasing layer on a technical surface. The inventive method comprises three steps: a) producing a solution from polyvinylacetate, a preservative agent and a solvent, b) applying the solution to the technical surface, and c) drying the solution applied to the technical surface while forming the layer. The inventive method is characterized by using benzoic acid, sorbic acid, natamycin, bacteriocines, plant extracts or mixtures thereof as the preservative agent and an ethanol/water mixture, ethyl acetate or acetone as the solvent.
L'invention concerne un procédé de fabrication d'une couche libérant des agents antimicrobiens sur une surface technique. Le procédé selon l'invention comporte trois étapes : a) fabrication d'une solution de polyvinylacétate, d'un conservateur et d'un solvant ; b) application de la solution sur la surface technique ; et, c) séchage de la solution appliquée sur la surface technique de manière à former une couche. Le procédé selon l'invention est par ailleurs caractérisé en ce que les conservateurs employés sont de l'acide benzoïque, de l'acide sorbique, de la natamycine, de la bactériocine, des extraits végétaux ou des mélanges de ceux-ci, et les solvants employés sont un mélange d'éthanol et d'eau, de l'éthylacétate ou de l'acétone.
Kensbock Eva
Sandmeier Dieter
Cameron Ip
Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung
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