Study of Calcium Ethoxide as a New Product for Conservation of Historical Limestone
AbstractThe combination of multiple physical, chemical and biological factors causes the weathering of limestone used in the field of cultural heritage. To overcome the limitations of traditional consolidating products and to meet the requirements of the historical building substrates, during the European collaborative project NANOMATCH, alkaline earth alkoxides were developed and studied as consolidating agents for limestone. Among these new products, calcium ethoxide, with the formula Ca(OEt)2, was chosen for this study and investigated in depth as an alternative consolidating treatment. It was first characterized through a study of the carbonation process: its kinetics, reaction pathway and the evaluation of formed mineralogical phases. Subsequently, it was applied on limestones with different total open porosity to test its performance as a consolidating agent. The compatibility and the efficiency of the treatment were investigated with a multi-technique approach and compared with results obtained with a reference product, based on nanolime. This study indicates that calcium ethoxide shows better results with respect to the reference product, both in terms of compatibility and consolidation effect. View Full-Text
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Zuena, M.; Tomasin, P.; Costa, D.; Delgado-Rodrigues, J.; Zendri, E. Study of Calcium Ethoxide as a New Product for Conservation of Historical Limestone. Coatings 2018, 8, 103.
Zuena M, Tomasin P, Costa D, Delgado-Rodrigues J, Zendri E. Study of Calcium Ethoxide as a New Product for Conservation of Historical Limestone. Coatings. 2018; 8(3):103.Chicago/Turabian Style
Zuena, Martina; Tomasin, Patrizia; Costa, Dória; Delgado-Rodrigues, José; Zendri, Elisabetta. 2018. "Study of Calcium Ethoxide as a New Product for Conservation of Historical Limestone." Coatings 8, no. 3: 103.
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