A Study on Discoloration of Traditional Paintings by an Inorganic Pigment

무기 안료에 의한 전통회화의 변색 연구

  • Kim, Dong Won (Department of Industrial Chemistry, Pukyong National University) ;
  • Kwak, Sam Tak (Department of Industrial Chemistry, Pukyong National University) ;
  • Seo, Yong Soo (Environmental Research Center, Pukyong National University) ;
  • Kim, Il Kyu (Department of Environmental Engineering, Pukyong National University) ;
  • Moon, Myung Jun (Department of Industrial Chemistry, Pukyong National University)
  • Published : 2012.12.10

Abstract

The discoloration of traditional paintings could be induced by various chemical reactions of inorganic pigments due to temperature, humidity, light and air pollution. In this study, we made artificial samples including azurite and malachite as inorganic pigments using the traditional method on hanji called 'Korean paper'and investigated the artificial aging process occurred by the interaction between pigments and environmental factors. It was found that the azurite was influenced by the humidity of weathering tests and the salt fog of salt spray tests according to XRD and TGA results. However, it was shown that the malachite was chemically changed by the ultraviolet radiation of weathering tests and UV radiation tests according to color difference and TGA results.

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