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J. Conserv. Sci > Volume 32(2); 2016 > Article
Journal of Conservation Science 2016;32(2):155-165.
DOI: https://doi.org/10.12654/JCS.2016.32.2.05    Published online June 30, 2016.
폴리에틸렌글리콜(PEG) 함침처리한 완도선 목재의 표면 안정화를 위한 하이드록시프로필 셀룰로오스(HPC) 처리효과
김응호, 한규성
Effect of Hydroxypropyl Cellulose Treatment for Surface Stabilization of Waterlogged Wood of Wan.do Shipwreck Impregnated with Polyethylene Glycol
Eung Ho Kim, Gyu Seong Han
초 록
수침고목재인 목재유물의 보존처리에 가장 많이 사용되는 PEG 함침 후 진공동결건조 방법의 단점인 표면 결함에 대한 안정화처리를 위해 HPC를 도포하였다. HPC의 효과를 확인하기 위해서 외관 및 실체현미경 관찰, 색차, 중량변화율, 치수변화율을 측정하고, 통계분석을 실시하였다. 목재시료의 표면에 HPC가 얇은 층을 형성하였고, 가도관의 관공과 균열의 틈 사이를 메우고 있었다. HPC 1,000,000을 처리한 시료의 부후되지 않은 표면에서 나타난 백화현상을 제외하고 다른 변화는 나타나지 않았다. 열화시킨 시료는 수분 흡착에 의한 색변화가 나타났다. 시료 표면의 얇은 HPC 층은 열화 후에도 유지되고 있었으며, 수분 흡착에 의한 중량변화와 치수변화는 HPC에 의해 억제되는 것으로 나타났다.
중심어: 표면 안정화, 중량변화, 치수변화, 열화
ABSTRACT
This study aimed at verifying the effect of hydroxypropyl cellulose(HPC) treatment on polyethylene glycol(PEG)-treated waterlogged wood for surface stabilizing. This research investigated macroscopic and microscopic appearance, color change, weight change, and dimensional change. And effect of HPC was verified through variance analysis (ANOVA) and least significant difference test(LSD). HPC formed thin layer on the surface of wood specimen, and blocked the pore of tracheid and the gap between the crack. Specimens without deterioration showed no invisible change except HPC 1,000,000 treatment group. Whitening was appeared at the sound surface of HPC 1,000,000 treated wood. Specimens with deterioration showed a little color difference change by external moisture adsorption. Thin layer of HPC on the surface of wood specimen was maintained after the deterioration, and this HPC layer significantly suppressed the weight and dimensional change by moisture adsorption.
Key Words: PEG, HPC, PEG, HPC, Surface stabilizing, Weight change, Dimensional change, Deterioration
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