journal article·2021-11-19Open access

Validation of Antibacterial Systems for Sustainable Ceramic Tiles

Valeria La Torre, Elisa Rambaldi, Giulia Masi, Silvia Nici, Daniele Ghezzi, Martina Cappelletti, Maria Chiara Bignozzi

Coatings· Volume 11· Issue 11

Abstract

Ceramic tiles are bacteriostatic materials; however, the COVID-19 emergency has pushed tile producers to improve surfaces’ antibacterial properties. The aim of this work was to validate a silver-based antibacterial treatment applied to porcelain stoneware tiles based on natural and waste materials, thus correlating surface functionalization to tile composition and relevant physical, microstructural, and textural parameters. The treatment was applied before firing, with and without a polymeric primer. Antibacterial activity tests, stain resistance tests, and contact angle measurements were carried out on fired tiles. Further investigations were made by SEM and optical profilometry in order to study the morphological–structural profile of tile surfaces. Results showed strong antibacterial activities for all the functionalized tiles, which were mainly correlated to the morphological and textural parameters of ceramic surfaces, as well as the presence of the polymeric primer.
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Research context

OpenAlex topics: Building materials and conservation · Nanoparticles: synthesis and applications · Dental Research and COVID-19

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Centro Ceramico, Via Martelli 26, 40138 Bologna, Italy

Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, Via Terracini 28, 40131 Bologna, Italy

Department of Pharmacy and Biotechnology, University of Bologna, Via Irnerio 42, 40126 Bologna, Italy

Laboratory of NanoBiotechnology, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, 40136 Bologna, Italy

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