Journal of Conservation Science (보존과학회지)

The Korean Society Of Conservation Science For Cultural Heritage (한국문화재보존과학회)
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A Scientific Analysis of Decorative Metal Foil Used in Pouch for the Sutra Embroidered with a Sun and Moon Design Designated as National Folklore Cultural Heritage

국가민속문화재 일월수 다라니 주머니 금속 장식지의 과학적 분석

  • Pak, Seonghee (Cultural Heritage Conservation Science Center, National Research Institute of Cultural Heritage) ;
  • Park, Serin (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Seo, Jeong Hun (Department of Conservation, Seoul Museum of History) ;
  • Park, Jongseo (Research Division of Restoration Technology, National Research Institute of Cultural Heritage) ;
  • Lee, Ryangmi (Department of Collect and Research, Seoul Museum of Craft Art)
  • 박성희 (국립문화재연구원 문화재보존과학센터) ;
  • 박세린 (국립문화재연구원 보존과학연구실) ;
  • 서정훈 (서울역사박물관 보존과학과) ;
  • 박종서 (국립문화재연구원 복원기술연구실) ;
  • 이량미 (서울공예박물관 수집연구과)
  • Received : 2022.03.22
  • Accepted : 2022.04.04
  • Published : 2022.04.20
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Abstract

Through scientific analysis, this study identified the material characteristics of metal foil decorating the border line and knotting of the National Folklore Cultural Heritage 'Pouch for the Sutra Embroidered with a Sun and Moon Design'. Through Scanning Electron Microscope-Energy Dispersive Spectroscopy results, it was estimated that silver (Ag) and sulfur (S) were present in the metal foil, and silver leaf was also attached to the medium. S may discolor Ag from yellow to black depending on its concsentration and contact time. Yellow color could not be identified in metal foil at present. But there existed an example of the preparation of a gold-colored flat silver thread; therefore, further research is needed to estimate the original color. The lamella was reddish brown on the back. Aluminum, silicon, and iron were also detected and were the main components found in red soil. This is believed to be the red adhesive in traditional flat gold thread and is considered to be an adhesive-related component of the metal foil. From the gas chromatography mass spectrometry results, the adhesive component was confirmed to be animal glue.

본 연구는 국가민속문화재 일월수 다라니 주머니 매듭과 테두리 장식에 사용된 '금속 장식지'를 대상으로 과학적 분석을 통해 재료적 특성을 파악하였다. 금속 장식지는 SEM-EDS 분석을 통해 은(Ag) 및 황(S)이 확인되어 은제 금속박을 배지에 부착하여 제작한 것으로 추정할 수 있다. 황(S)은 농도와 접촉시간에 따라 은(Ag)을 황색부터 흑색까지 변색시킬 수 있다. 현재는 황색을 확인할 수 없으나, 은(Ag)으로 가금사를 만든 사례가 있어 본래 색을 추정하기 위해서는 추가 연구가 필요하다. 배지는 배면까지 적갈색이다. 함께 검출된 알루미늄(Al)과 규소(Si), 철(Fe)은 전통 편금사(片金絲)의 붉은색 접착제로 추정되는 주토(朱土)의 주성분으로, 금속 장식지의 접착제 관련 성분으로 추측된다. GC/MS 분석 결과에서 접착제 성분은 아교(阿膠)로 확인할 수 있었다.

Keywords

Acknowledgement

본 논문은 2020년과 2021년에 서울역사박물관과 국립문화재연구원에서 시행한 분석 결과를 바탕으로 작성하였으며, 국립문화재연구원 문화유산 조사연구(R&D) 「유기질문화재 보존처리 및 조사」 연구과제의 일환으로 수행되었다.

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