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Novel N-halamine siloxane monomers and polymers for preparing biocidal coatings

De nouveaux monomères et polymères à N-halamine siloxane pour la préparation de revêtements biocides

Neuartige N-Halaminsiloxanmonomere und Polymere für die Herstellung von Biozidanstrichen

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Surface Coatings International Part B: Coatings Transactions

Summaries

Precursor N-halamine siloxane monomers and polymers have been prepared for the purpose of functionalising the surfaces of materials in order to render them biocidal upon exposure to oxidative halogen solutions. The biocidal function can be imparted to the N-halamine moiety either before or after siloxane bonding or adhesion to the surface or material. The biocidal surfaces and materials can then be used to inactivate pathogenic micro-organisms such as bacteria, fungi and yeasts, as well as virus particles, which can cause infectious diseases, and those micro-organisms which cause noxious odours and unpleasant colouring such as mildew. Examples of surfaces and materials which can be rendered biocidal with the N-halamine siloxanes include cellulose, synthetic fibres, ceramics, plastics, polyurethanes and metals. Preparation procedures and some biocidal efficacy data on paper, cotton and polyurethane paint are discussed.

Résumé

Des monomères et des polymères précurseurs à N-halamine siloxane ont été préparés afin de fonctionnaliser la surface des matériaux pour les rendre biocides quand ils sont exposés à des solutions oxydatives à l’halogène. L’addition de la fonction biocide au groupe caractéristique N-halamine peut précéder ou suivre la liaison du siloxane comme elle peut précéder ou suivre l’adhésion à la surface ou au matériau. Les surfaces biocides et les matériaux peuvent alors être utilisées pour inactiver des micro-organismes pathogéniques inactifs tels que les bactéries, les champignons, les levures, et les particules de virus, qui peuvent provoquer des maladies infectieuses, aussi bien que ces microorganismes, tels que la moisissure, qui créent des odeurs nocives et la coloration désagréable. Des exemples de surfaces et de matériaux qui peuvent être traités des N-halamine siloxanes pour les rendre biocides comprennent la cellulose, les fibres synthétiques, les céramiques, les plastiques, les polyuréthanes, et les métaux. Les procédés de préparation et quelques données dans le domaine de l’efficacité biocide sur le papier, le coton, et la peinture polyuréthane sont discutés.

Zusammenfassung

N-Halaminsiloxanmonomere und -polymere wurden darauf vorbereitel, duch die Aussetzung an oxidierende Halogenlösungen Oberflächen eine disinfizierende Wirkung zu verleihen. Die Biozid-Wirkung kann der N-Halaminhälfte entweder vor oder nach der Bildung der Siloxanverbindung oder nach Auftragung des Anstriches auf eine Oberfläche verliehen werden. Die Biozidwirkung der Oberfläche neutralisiert sowohl Pathogene wie Bakterien, Pilze, Hefen oder Viren, als auch geruchs- und fleckbildende Mikroorganismen wie Schimmelpilze. Zu den Oberflächen, die mit N-Halaminsiloxan-Biozidanstrichen behandelt werden können, gehören Zellulosen, Synthetik-Fasern, Keramik, Plastik, Polyurethane und Metalle. Wir legen ausserdem die Herstellungsmethoden und Daten zur Effektivität der Biozide auf Papier, Baumwolle und Polyurethananstrichen dar.

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Correspondence to S. D. Worley.

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Worley, S.D., Chen, Y., Wang, J.W. et al. Novel N-halamine siloxane monomers and polymers for preparing biocidal coatings. Surface Coatings International Part B: Coatings Transactions 88, 93–99 (2005). https://doi.org/10.1007/BF02699539

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