Surface properties of new green building material after TiO2–SiO2 coatings deposition |
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| Affiliation: | 1. Dipartimento di Ingegneria Industriale, Università degli studi di Parma, Parco Area delle Scienze 181/A, 43124 Parma, Italy;2. Dipartimento di Ingegneria “Enzo Ferrari”, Università degli studi di Modena e Reggio Emilia, Via Vivarelli 10, 41125 Modena, Italy;3. Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), Via G. Giusti 9, 50121 Firenze, Italy;1. Faculty of Technical Sciences, University of Novi Sad, Trg Dositeja Obradovica 6, 21000 Novi Sad, Serbia;2. Faculty of Technology, University f Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia;1. Materials Science and Engineering Postgraduate Program, LSR, UFPB, 58051-900 João Pessoa, Brazil;2. Department of Materials and Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal;3. Department of Mechanical Engineering, University of Aveiro, 3810-193 Aveiro, Portugal;1. State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu, Sichuan 610065, China;2. Polymer Technology Center, Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77843, United States;3. Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX 77204, United States;1. School of Engineering, RMIT University, PO Box 71, Bundoora, VIC 3083, Australia;2. RMIT University, School of Fashion and Textiles, 25 Dawson St, Brunswick, VIC 3056, Australia;3. Ford Motor Company, Research and Engineering Product Development Centre, 20901 Oakwood Blvd, Dearborn, MI 48124-4077, USA;1. Universidade do Extremo Sul Catarinense, Av. Universitária 1105, Bairro Universitário, Criciúma, SC 88806-000, Brazil;2. Programa de Pós-Graduação em Ciência e Engenharia dos Materiais, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil |
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| Abstract: | The aim of this study was the surface functionalization of a new green ceramic material, obtained using packaging glass waste (PGW), to improve its cleanability. This objective was reached through the deposition by air-brushing of a nanostructured coating based on titania–silica sol–gel suspension. The coatings were deposited on both glazed and unglazed ceramic substrates and the thermal treatment conditions (temperature) were optimized. The obtained results suggest that the applied coatings are transparent and show a good scratch resistance and photocatalitic activity under the tested conditions. The photodegradation process and the mechanical properties are clearly affected by the thermal treatment and thus by the sample surface roughness. The best surface properties were obtained with a thermal treatment at temperature of 150 °C. These coatings do not exhibit either cracks from the substrate. All in all, the developed surface modified ceramic material is attractive as potential sustainable building material. |
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| Keywords: | A Sol–gel process E Functional application |
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