Consolidation of tuff: in situ polymerization or traditional methods? (Contributo in atti di convegno)

Type
Label
  • Consolidation of tuff: in situ polymerization or traditional methods? (Contributo in atti di convegno) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Mara Camaiti; Luigi Dei; Valentina Errico (2007)
    Consolidation of tuff: in situ polymerization or traditional methods?
    in Structural Analysis of Historical constructions - Possibilities of numerical and experimental techniques, New Delhi, 6-8 November 2006
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mara Camaiti; Luigi Dei; Valentina Errico (literal)
Pagina inizio
  • 1339 (literal)
Pagina fine
  • 1346 (literal)
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  • Structural analysis of historical constructions - Possibilities of numerical and experimental techniques (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 2 (literal)
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  • CNR-Institute for Conservation and Enhancement of Cultural Heritage - Sesto Fiorentino (Italy); University of Florence - Department of Chemistry (Italy) (literal)
Titolo
  • Consolidation of tuff: in situ polymerization or traditional methods? (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
  • Paulo B. Lourenco; Pere Roca; Claudio Modena; Shailesh Agrawal (literal)
Abstract
  • Two monomers, flexible ethyl silicate and butyl methacrylate, have been tested on a pyroclastic rock (tuff) for evaluating the consolidation efficacy of in situ polymerization treatments. In the step polymerization mechanism, flexible ethyl silicate has given good yield, which is associated to high hydrophobic and cohesive properties, and remarkable chromatic changes of the treated stone surface. On the contrary, in the radical polymerization of butyl methacrylate low yields an poor performances have been usually obtained. Good penetration depth and high stone hardness have been obtained with traditional consolidation treatments using macromolecules with suitable molecular weight. However, an increase in stone brittleness has been observed in tuff samples treated with an acrylic polymer (Paraloid B72). (literal)
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