Heterocyclic halamine-substituted siloxanes for use in...

C - Chemistry – Metallurgy – 07 – F

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C07F 7/18 (2006.01)

Patent

CA 2488914

Siloxane monomers and polymers functionalized by certain N-halogenated heterocyclic moieties are provided for the purpose of functionalizing surfaces or materials so as to render them biocidal upon exposure to oxidative halogen solutions. The biocidal function can be imparted either before or after bonding or adhesion to the surface or material. The biocidal surfaces and materials can then be used to inactivate pathogenic microorganisms such as bacteria, fungi, and yeasts, as well as virus particles, which can cause infectious diseases, and those microorganisms which cause noxious odors and unpleasant coloring such as mildew. Examples of surfaces and materials which can be rendered biocidal in this invention include, but are not limited to, cellulose, chitin, chitosan, synthetic fibers, glass, ceramics, plastics, rubber, cement grout, latex caulk, porcelain, acrylic films, vinyl, polyurethanes, silicon tubing, marble, metals, metal oxides, and silica.

L'invention concerne des polymères de siloxane et des monomères de silane acycliques et hétérocycliques, ainsi que leurs dérivés halogénés, permettant de restructurer des surfaces ou des matériaux de manière à leur conférer une fonction biocide après application de solutions halogénées oxydantes. La fonction biocide peut être conférée avant ou après la liaison ou l'adhésion à la surface ou au matériau. Les surfaces et les matériaux biocides peuvent ensuite être utilisés pour inactiver des micro-organismes pathogènes, tels que des bactéries, des champignons et des levures, ainsi que des particules virales, pouvant provoquer des maladies infectieuses, et les micro-organismes développant des mauvaises odeurs et une coloration déplaisante, tels que la moisissure. Les surfaces et les matériaux pouvant être pourvus d'une fonction biocide comprennent, entre autres, la cellulose, la chitine, le chitosane, les fibres synthétiques, les céramiques, les plastiques, le caoutchouc, le coulis de ciment, la pâte de latex, la porcelaine, les pellicules acryliques, le vinyle, les polyuréthannes, les tubes en silicium, le marbre, les métaux, les oxydes métalliques et la silice.

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