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Study on Aging Characteristics Depending on the Utilized Mordants of Dyed Restoration Paper for Paper Conservation

지류보존처리를 위한 염색보수지의 매염제에 따른 열화특성 연구

  • Jee, Joo-Yeon (The Research Center of Conservation Science for Cultural Heritage, Hanseo University) ;
  • Wi, Koang-Chul (The Research Center of Conservation Science for Cultural Heritage, Hanseo University)
  • 지주연 (한서대학교 문화재보존과학연구센터) ;
  • 위광철 (한서대학교 문화재보존과학연구센터)
  • Received : 2013.02.04
  • Accepted : 2013.03.01
  • Published : 2013.03.20

Abstract

The following study tests for the effects of mordants on the production of restoration papers during the conservation process of damaged paper artifacts. For this, four different types of synthetic mordants that are being marketed currently ($K_2CO_3$, $AlK(SO_4)_2{\cdot}12H_2O$, $Cu_2SO_4{\cdot}5H_2O$, $FeSO_4$) were selected to produce samples for measuring variable properties through artificial degradation. The research conducts tests for changes in color, tensile index, and pH level (degree of acidity). The results for changes in color have shown that the value of ${\Delta}E^*ab$ of $K_2CO_3$ mordant sample was the highest, and the tests for tensile index have shown that the strength of dyeing sample was decreased in accordance with the aging time, but Changes according to the mordant was not evident. Finally, the findings for pH level have shown that samples with $Cu_2SO_4{\cdot}5H_2O$ and $FeSO_4$ have pH levels drop below 6. As a result, the research have concluded that mordants used for dyeing restoration paper were identified to have an affect in the dyeing and aging characteristics of the paper.

본 연구에서는 손상된 지류문화재의 수리복원 과정에서 사용되는 염색보수지의 제작에 있어 매염제가 바탕종이에 어떠한 영향을 주는지 확인하고자 현재 시판되는 대표적인 합성매염제 4종류 [$K_2CO_3$, $AlK(SO_4)_2{\cdot}12H_2O$, $Cu_2SO_4{\cdot}5H_2O$, $FeSO_4$]를 선정하여 시료를 제작하고 자외선, 온 습도를 이용한 인공열화를 통해 열화 후 색도 측정, 인장지수 측정, pH측정(산성화 정도)을 실시하고 그에 따른 물성변화를 확인하였다. 색도 측정 결과 $K_2CO_3$매염 시료의 ${\Delta}E^*ab$값이 가장 크게 나타났으며 인장지수 측정 결과 열화시간에 따라 염색시료의 강도는 모두 저하하였으나 매염제에 따른 변화는 뚜렷하지 않음을 알 수 있었다. 산성도 측정 결과 $Cu_2SO_4{\cdot}5H_2O$$FeSO_4$로 매염한 시료의 pH값이 6이하로 감소하였다. 실험 결과를 통하여 보수지 염색에서 사용되는 매염제는 바탕종이의 염색 특성 및 노화에 영향을 주는 것으로 확인 되었다.

Keywords

References

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