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Buildings 2018, 8(9), 122; https://doi.org/10.3390/buildings8090122

Preparation and Characterization of Plasters with Photodegradative Action

1
Dipartimento di Ingegneria Meccanica, Energetica e Gestionale, University of Calabria, I-87030 Arcavacata di Rende (CS), Italy
2
Diparitmento di Ingegneria per l’Ambiente e il Territorio e Ingegneria Chimica, University of Calabria, I-87030 Arcavacata di Rende (CS), Italy
*
Author to whom correspondence should be addressed.
Received: 26 July 2018 / Revised: 27 August 2018 / Accepted: 30 August 2018 / Published: 3 September 2018
(This article belongs to the Special Issue Green Building Materials)
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Abstract

The aim of this project is to investigate the behaviour of several special types plasters specifically designed to degrade the most common pollutants which are present in the atmosphere. In particular, specific additives have been added to these plasters, in order to obtain a broad spectrum of active and synergic response, each of which have peculiar functions: - microporous materials, such as clinoptilolite, a natural zeolite, that promotes the adsorption of air pollutants thanks to its porous nature; - nano-fillers, such as carbon nanotubes, that behave both as reinforcing agents as well as adsorbent materials; - photochemical agents, such as titanium oxide, that degrade air pollutants, previously adsorbed on carbon nanotubes and zeolites, thanks to the action of light that activates photodegradation reactions. All the samples were also characterized in terms of mechanical properties, adhesion to supports and water absorption. Furthermore, photodegradation tests were carried out by exposing plaster surfaces, wetted with a Rodamine solution, to Ultraviolet rays (UV) for different times. Plasters photodegradative capacity was evaluated and the results highlighted the fact that the designed admixtures showed an important photodegradative action, strictly dependent on the types and specific ratios of the selected additives. View Full-Text
Keywords: photodegradative action; plaster; carbon nanotubes; clinoptilolite; titanium oxide; zeolite photodegradative action; plaster; carbon nanotubes; clinoptilolite; titanium oxide; zeolite
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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De Luca, P.; De Luca, P.; Candamano, S.; Macario, A.; Crea, F.; Nagy, J.B. Preparation and Characterization of Plasters with Photodegradative Action. Buildings 2018, 8, 122.

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