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J. Conserv. Sci > Volume 29(3); 2013 > Article
Journal of Conservation Science 2013;29(3):243-247.
DOI: https://doi.org/10.12654/JCS.2013.29.3.05    Published online September 30, 2013.
수침고목재의 처리조건에 따른 PEG 침투상태
이경철, 이종신
Penetration of PEG by Treatment Condition of Waterlogged Wood
Gyeong-Cheol Lee, Jong-Shin Lee
초 록
최대함수율 660%, 전건비중 0.15의 소나무를 대상으로 처리조건에 따른 PEG 침투상태를 알아보고자 하였다. PEG 용매, 함침농도, 함침기간, 함침온도에 따른 중량변화율을 구하고 SEM을 이용하여 목재 세포 내부의 PEG 침투상태를 관찰하였다. 그 결과 PEG의 침투에 용매는 큰 영향을 미치지 않았다. 함침농도는 고농도에서 중량증가율이 높았고, 함침기간은 20일에서 가장 큰 중량증가율을 보였으며, 함침온도에 따른 차이는 거의 나타나지 않았다. 이를 토대로 PEG를 이용한 최대함수율 660%의 소형 수침고목재의 처리 시 20일 정도의 함침기간으로 충분한 PEG 침투효과를 얻을 수 있다는 것을 알 수 있었다.
중심어: 수침고목재, PEG 침투성
ABSTRACT
This study was conducted to investigate the penetration of PEG for conservation treatment conditions of archaeological waterlogged wood. The weight percent gain was examined, depending on the solvent of PEG, concentration and treatment period and temperature of treatment solutions. The penetration of PEG in the cell lumina of treatment woods was observed by scanning electron microscope. The results showed that the type of solvents had no influence on PEG penetration. In the concentration of the PEG treatment solutions, the weight percent gains (WPGs) were increased with increase in concentration of PEG. In terms of the period of the soaking treatment, a maximum WPGs were obtained for only 20 days. There was no distinctive difference in the WPGs by difference the temperature of the treatment. In conclusion, in the conservation of small size of archaeological waterlogged wood, it is confirmed that optimal solvent type and treatment period of PEG are water and 20 days, respectively.
Key Words: PEG, Waterlogged wood, PEG, Penetration of PEG


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