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Consolidation of Ancient Raw Materials Using a Reversible, Elastic, Soft Polymer

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DOI: 10.4236/ampc.2012.21006    5,000 Downloads   7,888 Views   Citations

ABSTRACT

Aging of ancient raw materials usually finish with disintegration, which starts on surface of walls to progress toward the inside mass of a huge variety of mineral compounds. This is particularly harmful when antique buildings keep mural paintings, which suffers destruction before the wall itself. Same case appears on sculptures and monuments, whose surfaces are often attacked by living organisms which start a deterioration process previous to complete disintegration. The main factor to produce these unwanted effects is humidity, either rain for materials exposed to open air, or underground humidity going up by capillarity of minerals, in this case represented by porosity of associated salts forming the material. This paper describes a method to measure easily the relative porosity of diverse raw materials at laboratory level, by using a radioactive labeled solution, and also a procedure to reduce their porosity of those minerals. The efficiency of this procedure is measured in the same way, and so the results obtained at laboratory level have encouraged its use at real scale, where it has been quite successful for a number of materials in a limited span of five years.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

J. Manuel Navarrete and G. Leonardo Martínez, "Consolidation of Ancient Raw Materials Using a Reversible, Elastic, Soft Polymer," Advances in Materials Physics and Chemistry, Vol. 2 No. 1, 2012, pp. 37-42. doi: 10.4236/ampc.2012.21006.

References

[1] Merck and Co. Inc., “The Merck Index,” 9th Edition, Whitehouse Station, 1976, p. 4096.
[2] H. Rosch and J. Schwarz, “Damaged to Frescoes Caused by Sulphate-Bearing Salts: Where Does the Sulphur Come from?” Studies in Conservation, Vol. 38, No. 4, 1993, pp. 224-230. doi:10.2307/1506367
[3] G. L. Martinez and J. M. Navarrete, “Use of a Radiotracer to Test and Reduce the Porosity and Humidity Absorption from the Soil in Pre-Hispanic Raw Materials,” Journal of Radioanalytical and Nuclear Chemistry, Vol. 263, No. 1, 2005, pp. 35-38. doi:10.1007/s10967-005-0008-2
[4] G. L. Martinez and J. M. Navarrete, “A New Technique to Preserve Raw Materials of Ancient Monuments against the Humidity and Its Test Using 22Na Labelled Solutions,” Journal of Radioanalytical and Nuclear Chemistry, Vol. 274, No. 3, 2007, pp. 651-655. doi:10.1007/s10967-007-7097-z

  
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