, Volume 24, Issue 8, pp 3367–3376 | Cite as

Nanocomposites based on esterified colophony and halloysite clay nanotubes as consolidants for waterlogged archaeological woods

  • Giuseppe CavallaroEmail author
  • Giuseppe Lazzara
  • Stefana Milioto
  • Filippo Parisi
  • Fabio Ruisi
Original Paper


We have designed an innovative protocol for the consolidation of waterlogged archaeological woods by using acetone mixtures of halloysite clay nanotubes and a chemically modified colophony (Rosin). Firstly, we have investigated the thermal properties of HNTs/Rosin nanocomposites, which have been prepared by means of the casting method from acetone. The HNTs content have been systematically changed in order to study the influence of the inorganic filler on the thermal stability and glass transition process of Rosin. We have observed that the thermal properties of the hybrids are affected by the specific HNTs/Rosin interactions. Then, acetone dispersions of HNTs/Rosin composites at variable filler content have been employed as consolidants for waterlogged archaeological woods. The quantitative analysis of the thermogravimetric curves have provided the amount of consolidants entrapped into the wood structure. These results have been successfully correlated to the consolidation efficiencies estimated from the analysis of the wood shrinkage volume upon drying. The attained knowledge represents the basic step to develop a green protocol for the long term protection of wooden art-works.


Waterlogged archaeological woods Esterified colophony Halloysite nanotubes Nanocomposites 



The work was financially supported by the University of Palermo, PON-TECLA (PON03PE_00214_1). The authors have no conflicts of interest to declare.

Supplementary material

10570_2017_1369_MOESM1_ESM.docx (241 kb)
Supplementary material 1 (DOCX 240 kb)


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Copyright information

© Springer Science+Business Media B.V. 2017

Authors and Affiliations

  1. 1.Dipartimento di Fisica e ChimicaUniversità degli Studi di PalermoPalermoItaly

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