Damage Characteristics of Korean Traditional Textiles by Nitrogen Dioxide (NO2) Concentrations

이산화질소(NO2) 농도에 따른 전통직물의 손상 특성

  • Kim, Myoung Nam (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Lim, Bo A (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Kim, Seojin (Underwater Excavation & Conservation Division, National Research Institute of Maritime Cultural Heritage) ;
  • Lee, Sun Myung (Conservation Science Division, National Research Institute of Cultural Heritage)
  • 김명남 (국립문화재연구소 보존과학연구실) ;
  • 임보아 (국립문화재연구소 보존과학연구실) ;
  • 김서진 (국립해양문화재연구소 수중발굴과) ;
  • 이선명 (국립문화재연구소 보존과학연구실)
  • Received : 2013.06.03
  • Accepted : 2013.09.04
  • Published : 2013.09.20


The gas acceleration test was conducted to identify the deterioration of Korean traditional textiles caused by $NO_2$. Total 20 specimens were prepared using 4 different materials (silk, cotton, ramie, hemp) after dyeing with 5 colors (undyed, red, yellow, blue, black). The specimens were exposed to 0.01, 0.1, 1, 10, 100, and 1000 ppm $NO_2$ gas in the test chamber at $20^{\circ}C$, 50% RH for 1 day. Optical, chemical, and physical evaluation was carried out after the exposure. In the case of Korean traditional textile, color difference increased at 1 ppm/day, $NO_3{^-}$ concentration, carbonyl and C-$NO_2$ functional group increased while pH decreased at 10 ppm/day and tensile strength weakened at 100 ppm/day. when it comes to undyed textile, alteration of color difference on silk and hemp cloth, $NO_3{^-}$ concentration and tensile strength on hemp cloth was remarkable. In addition, color difference on blue and yellow textile, $NO_3{^-}$ concentration increase of yellow textile and tensile strength decrease of hemp cloth & ramie cloth were significant. The results suggest that critical $NO_2$ concentration of optical, chemical, and physical damage on Korean traditional textiles are 1ppm/day, 10 ppm/day, 100 ppm/day respectively.


Supported by : 국립문화재연구소


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