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handle: 10261/12932
[ES] El desarrollo de nuevos esmaltes con características innovadoras para la industria de pavimentos y revestimientos cerámicos se ha realizado mediante la dispersión de nanopartículas sobre partículas matriz basadas en fibras de sepiolita de diámetro nanométrico, <50 nm. La sepiolita es una arcilla fibrilar de composición compatible con el esmalte. Los aspectos más relevantes de la investigación realizada han permitido acondicionar las partículas matrices para soportar y proteger diferentes tipos de nanopartículas dispersas de naturaleza metálica u oxídica. Los esmaltes desarrollados tienen la cualidad de encontrarse nanoestructurados y ser multifuncionales, ya que pueden combinarse en un solo esmalte diferentes propiedades como la de tener aspecto metalizado, propiedades hidrofóbicas, bactericidas, fungicidas y de autolimpieza. El concepto de nanopartículas soportadas utiliza de forma eficiente los procesos actuales de tecnología de nanopartículas para obtener multifuncionalidades en los esmaltes, ofreciendo producto cerámico innovador y de mayor valor añadido.
[EN] The development of new glazes with innovative characteristics for the tile industry was afforded by using disperse nanoparticles on host sepiolite particles. Sepiolite clay has fibrillar morphology with a diameter <50 nm and with a composition compatible with the glaze. The host particles were conditioned to support and to protect different disperse nanoparticles having metallic or oxidic nature. The developed glazes possess a nanostructure which is responsible for different properties. Different functionalities could be combined in a single glaze as a multifunctional glaze: metallic aspect, hydrophobic response, bactericide and fungicide properties, and self cleaning characteristics. The efficiency of the supported nanoparticles allows the use of the nanoparticles technology to obtain multifunctional glazes and powered the innovations into the tile product with added value.
Este trabajo ha obtenido el premio Alfa de oro en la Feria Internacional de Cerámica CEVISAMA 2009
Peer reviewed
Functional coatings, Tiles, Nanopartículas, Clay industries. Ceramics. Glass, Pavimentos y revestimientos, Glazes, Frits, Fritas, TP785-869, Recubrimientos funcionales, Nanoparticles, Esmaltes
Functional coatings, Tiles, Nanopartículas, Clay industries. Ceramics. Glass, Pavimentos y revestimientos, Glazes, Frits, Fritas, TP785-869, Recubrimientos funcionales, Nanoparticles, Esmaltes
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