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http://dx.doi.org/10.12654/JCS.2012.28.2.095

Compressive Strength of Waterlogged Archaeological Wood after PEG Treatment with Concentration and Solvent  

Kim, Soo-Chul (Conservation Science Team, The National Museum of Korea)
Publication Information
Journal of Conservation Science / v.28, no.2, 2012 , pp. 95-99 More about this Journal
Abstract
The compressive strength of PEG along processing concentration and solvent is willing to be measured and proper processing condition for exhibition and storage is also willing to be measured by comparing with dimensional stability. In the advanced research of setting PEG-preprocessing concentration & solvent for freeze drying of waterlogged archaeological wood of high water content, vacuum freeze drying showed the highest dimension stability after 40% PEG-preprocessing of aqueous solution. In this study, the compressive strength increased in proportion of processing concentration and water showed the relatively-higher compressive strength than t-butanol regarding solvent. Especially, it showed that there is no big strength difference between PEG 40% and PEG 50% in aqueous solution by 6.6%(16kgf/$cm^2$). According to the above results, it was recognized that it is most effective to implement freeze drying after 40% PEG-preprocessing when want to dimensional stability and compressive strength simultaneously.
Keywords
Waterlogged archaeological wood; Poly ethylene glycols(PEG); Compressive strength; Aqueous solution; Vacuum freeze-drying;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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