Journal of Conservation Science (보존과학회지)

The Korean Society Of Conservation Science For Cultural Heritage (한국문화재보존과학회)
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A Study on the Application of Dobak-glue for Fixation Painting Layer of Earthen Mural

토벽화 채색층 고착처리를 위한 도박풀 적용 연구

  • Kim, Seol Hui (Institute of Conservation of Paintings, Konkuk University) ;
  • Han, Kyeong Soon (Institute of Conservation of Paintings, Konkuk University) ;
  • Lee, Hwa Soo (Department of Wood and Paper Science, Chungbuk National University)
  • 김설희 (건국대학교 회화보존연구소) ;
  • 한경순 (건국대학교 회화보존연구소) ;
  • 이화수 (충북대학교 목재.종이과학과)
  • Received : 2017.11.14
  • Accepted : 2017.12.05
  • Published : 2017.12.20
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Abstract

This report compared and analyzed the degree of surface change and results of a deterioration experiment to assess the possibility of using Dobak glue as an adhesive in the fossilizing treatment of the paint layer in earthen mural paintings. The weathering experiments were performed with a color-difference meter (CR-400, MINOLTA). After the experiment, Cinnabar 3% specimens, which exhibited diverse changes in the durability test, were additionally tested with a reflection-transmission device (CARY-5000, AGILENT). Post UV degradation, most of the Dobak-glue samples exhibited lesser color change than animal-glue samples, and after moisture absorption and drying, the 0.5% and 3% Dobak samples displayed a lower degree of change in the value of color difference. Furthermore, results of the reflection-transmission test after deterioration indicated that Dobak glue presented a lesser color change than animal glue. Therefore, if Dobak glue is used as a consolidating agent, discoloration on account of degradation is minimal.

본 연구는 토벽화 채색층 고착제로서의 도박풀 적용 가능성을 파악하기 위하여, 내후성 실험에 따른 표면변화를 평가하였다. 내후성 실험에 대한 평가는 색차계(CR-400, MINOLTA)를 사용하였으며, 열화로 인한 변화가 특징적으로 나타난 주사 3% 조건은 반사투과장치(CARY-5000, AGILENT)를 사용하여 추가적인 평가를 실시하였다. 자외선 열화 실험 후, 대부분의 도박풀 도포 시료가 아교풀 도포 시료에 비해 색변화가 적었으며, 흡습 건조 열화시험 결과에서는 도박풀이 0.5%와 3% 조건에서 아교에 비해 색변화가 낮게 나타나는 것을 확인하였다. 또한 열화 실험 후 반사 흡수도 측정결과, 아교에 비해 도박풀의 열화 후 반사 흡수도 변화정도가 낮은 것으로 나타났다. 따라서 도박풀을 토벽화 고착제로 사용할 경우 열화에 따른 변색은 비교적 안정적일 것으로 판단된다.

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References

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