Institutional Repository [SANDBOX]
Technical University of Crete
EN  |  EL

Search

Browse

My Space

Producing self-cleaning, transparent and hydrophobic SiO2-crystalline TiO2 nanocomposites at ambient conditions for stone protection and consolidation

Kapridaki Chrysi, Pinho Luís, Mosquera Maria J., Maravelaki Pagona-Noni

Simple record


URIhttp://purl.tuc.gr/dl/dias/FA9CDD09-11C1-4C36-8D0B-229E81A667E9-
Identifierhttp://pubs.rsc.org/en/Content/Chapter/9781782623991-00105/978-1-78262-399-1-
Identifierhttps://doi.org/10.1039/9781782623991-00105-
Languageen-
Extent37 pagesen
TitleProducing self-cleaning, transparent and hydrophobic SiO2-crystalline TiO2 nanocomposites at ambient conditions for stone protection and consolidationen
CreatorKapridaki Chrysien
CreatorΚαπριδακη Χρυσηel
CreatorPinho Luísen
CreatorMosquera Maria J.en
CreatorMaravelaki Pagona-Nonien
CreatorΜαραβελακη Παγωναel
PublisherRoyal Society of Chemistryen
Content SummaryThree innovative strengthening, protective and self-cleaning agents for marble and calcareous stones were synthesized by using a simple sol-gel route at ambient conditions. TiO2 nanoparticles and hydroxyl-terminated polydimethylsiloxane (PDMS) were incorporated in a tetraethoxysilane (TEOS) matrix in the presence of oxalic acid (Ox). Both the Ox concentration and the addition sequence of the reagent agents were assessed through the evaluation of the microstructure and of the physicochemical and self-cleaning properties of all the synthesized nanocomposites. The presence of Ox contributed to the production of both homogeneous materials and photoactive independent domains of anatase TiO2 crystals at ambient conditions. In addition, the role played by Ox as a hole-scavenger increased the photocatalytic activity of the nanocomposites. The synthesized crack-free, homogeneous, transparent and photoactive nanocomposites provide self-cleaning, water repellency and consolidation properties to building substrates, while respecting their aesthetic qualities.en
Type of ItemΚεφάλαιο σε Βιβλίοel
Type of ItemBook Chapteren
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2018-06-21-
Date of Publication2016-
SubjectNanocompositesen
SubjectOxalic aciden
SubjectPolydimethylsiloxaneen
SubjectSiliconesen
SubjectSol-gel processen
SubjectSol-gelsen
SubjectTitanium dioxideen
SubjectAesthetic qualitiesen
SubjectAmbient conditionsen
SubjectConsolidation propertiesen
SubjectHomogeneous materialsen
SubjectHydroxyl-terminateden
SubjectPhotocatalytic activitiesen
SubjectPolydimethylsiloxane PDMSen
SubjectSelf-cleaning propertiesen
SubjectCleaningen
Bibliographic CitationC. Kapridaki, L. Pinho, M. J. Mosquera and P. Maravelaki-Kalaitzaki, "Producing self-cleaning, transparent and hydrophobic SiO2-crystalline TiO2 nanocomposites at ambient conditions for stone protection and consolidation," in Self-cleaning Coatings: Structure, Fabrication and Application, Junhui He, Ed. Cambridge, UK: Royal Society of Chemistry, 2016, pp. 105-141. doi: 10.1039/9781782623991-00105en
Book TitleSelf-cleaning Coatings: Structure, Fabrication and Applicationen
Book Seriesen

Services

Statistics