期刊
MATERIALS
卷 3, 期 1, 页码 216-231出版社
MDPI
DOI: 10.3390/ma3010216
关键词
limestone; silsesquioxane; nanocomposite
类别
资金
- EPISCON - European Ph. D. in Science for Conservation EU [05-MEST-CT2005-020559]
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.
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