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Open AccessArticle

Effect of SO2 Dry Deposition on Porous Dolomitic Limestones

1
Petru Poni Institute of Macromolecular Chemistry, 41 A Gr. Ghica Voda Alley, 700487, Iasi, Romania
2
University of Oviedo, Department of Geology, Calle Jesus Arias de Velasco s/n, 33005 Oviedo, Spain
3
Moldova National Museum Complex, 1 Stefan cel Mare si Sfant Square, 700028, Iasi, Romania
*
Author to whom correspondence should be addressed.
Materials 2010, 3(1), 216-231; https://doi.org/10.3390/ma3010216
Received: 1 November 2009 / Revised: 30 December 2009 / Accepted: 4 January 2010 / Published: 7 January 2010
(This article belongs to the Special Issue Composite Materials)
The present study is concerned with the assessment of the relative resistance of a monumental dolomitic limestone (Laspra – Spain) used as building material in stone monuments and submitted to artificial ageing by SO2 dry deposition in the presence of humidity. To investigate the protection efficiency of different polymeric coatings, three commercially available siloxane-based oligomers (Lotexan-N, Silres BS 290 and Tegosivin HL 100) and a newly synthesized hybrid nanocomposite with silsesquioxane units (TMSPMA) were used. A comparative assessment of the data obtained in this study underlines that a better limestone protection was obtained when treated with the hybrid nanocomposite with silsesquioxane units. View Full-Text
Keywords: limestone; silsesquioxane; nanocomposite limestone; silsesquioxane; nanocomposite
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MDPI and ACS Style

Olaru, M.; Aflori, M.; Simionescu, B.; Doroftei, F.; Stratulat, L. Effect of SO2 Dry Deposition on Porous Dolomitic Limestones. Materials 2010, 3, 216-231.

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