Performance of nanocomposites for preservation of artistic stones

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In this work, the effectiveness of nanocomposite surface treatments as protective systems for artistic stones was evaluated. Pyrolitic silica and titania nanoparticles were dispersed in a commercial silicon-based polymer and applied on marble and travertine samples. Artificial aging processes, both in climatic chamber and in solar box, were carried out to simulate real degradation processes in terms of photo-thermal effects and physical-chemical damage. The performances of the nanocomposites used as consolidant were evaluated comparatively by means of diverse diagnostic techniques, namely: scanning electron microscopy (SEM), laser induced fluorescence (LIF), ultrasonic technique, colorimetry, total immersion water absorption and contact angle. The results show that some properties of conservation materials can be improved by the presences of nanoparticles because they induce substantial changes of surface morphology of the coating layer and counter the physical damage observed during artificial weathering. © 2014 AIP Publishing LLC.
Original languageEnglish
Publication statusPublished - 2014
Externally publishedYes
EventNANOFORUM 2013 - , Italy
Duration: 1 Jan 2014 → …


ConferenceNANOFORUM 2013
Period1/1/14 → …


All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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