2010
DOI: 10.3989/mc.2010.48408
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Estado del arte de los materiales a base de cemento que contienen TiO<sub>2</sub>: propiedades auto-limpiantes

Abstract: RESUMENDebido a las características físico-químicas de los materiales a base de cemento, la calidad estética de estos materiales tiende a disminuir con facilidad. Por otra parte, la actividad fotocatalítica producida por los materiales a base de cemento que contienen TiO 2 , ha permitido incorporar recientemente en estos materiales propiedades de auto-limpieza y purificación del aire. Sin embargo, actualmente sólo existe en el mercado un número limitado de dichos materiales, dado que aún se necesita conocer me… Show more

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Cited by 33 publications
(11 citation statements)
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“…While CG7-Si-Cem presented the fastest RhB reaction evolution, TEA-SiCem photoefficiency was the least affected comparing with the corresponding TiO 2 -Cem. This behaviour indicates that an initial activation stage, 4-6 h depending on the catalyst coating, looks necessary, after that photoinduction period [55], [56], CG1-Si-Cem, CG7-Si-Cem and TEA-Si-Cem reached >90% RhB conversion after 5 days, meanwhile CG13-Si-Cem activation period was longer and the conversion hardly reached 80%.…”
Section: Tablementioning
confidence: 99%
“…While CG7-Si-Cem presented the fastest RhB reaction evolution, TEA-SiCem photoefficiency was the least affected comparing with the corresponding TiO 2 -Cem. This behaviour indicates that an initial activation stage, 4-6 h depending on the catalyst coating, looks necessary, after that photoinduction period [55], [56], CG1-Si-Cem, CG7-Si-Cem and TEA-Si-Cem reached >90% RhB conversion after 5 days, meanwhile CG13-Si-Cem activation period was longer and the conversion hardly reached 80%.…”
Section: Tablementioning
confidence: 99%
“…Biocides can be mixed with consolidants and water repellents to promote protection against future biological growth (Ditaranto et al 2010;Barrionuevo and Gaylarde 2011;Khamova et al 2012;Pinna et al 2012). Biological agents such as plant extracts have also been used (Afifi 2012 Nanotechnology has also proposed for protection against biological agents and other pollutants with examples of nanoparticulates of SiO 2 (Manoudis et al 2009;Matziaris et al 2011), organomodified montmorillonite (D'Arienzo et al 2008Scarfato et al 2012), titanium dioxide and zinc oxide (Fonseca et al 2010;Gladis et al 2010;Maury and De Belie 2010;MacMullen et al 2012;La Russa et al 2012;Quagliarini et al 2012), copper (Ditaranto et al 2010) or diamonds (Khamova et al 2012).…”
Section: Protective Treatmentsmentioning
confidence: 98%
“…The possibility of incorporating titanium dioxide nanoparticles in construction materials (cement, plaster, concrete, etc) has been investigated and its feasibility has been demonstrated in previous research works [24]. The photocatalytic reaction takes place on the surface of these materials, where the adsorption of gaseous pollutants occurs.…”
Section: Photocatalytic Degradation Of Indoor Pollutantsmentioning
confidence: 99%