Journal of Korea Technical Association of The Pulp and Paper Industry (펄프종이기술)

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Evaluation of the Beeswax Applying and Dewaxing Technique of Hanji, and Their Ageing Behaviors

한지의 밀랍 및 탈랍처리 기법과 열화거동 평가

  • Kang, Kwang-Ho (Dept. of Forest Product & Biotechnology, Kookmin University) ;
  • Lee, Geum-Ja (Dept. of Forest Product & Biotechnology, Kookmin University) ;
  • Kim, Hyoung-Jin (Dept. of Forest Product & Biotechnology, Kookmin University)
  • 강광호 (국민대학교 임산생명공학과) ;
  • 이금자 (국민대학교 임산생명공학과) ;
  • 김형진 (국민대학교 임산생명공학과)
  • Received : 2010.09.12
  • Accepted : 2010.09.24
  • Published : 2010.09.30
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Abstract

The Annals of beeswax applied-Joseon Dynasty have some serious damages such as cracks, brown, red or black spots, and discolorations by chemical and biological degradation, but others without any beeswax application have still been keeping good quality during over several hundred years. It would be convinced that the beeswax applied in the Annals resulted in these deteriorations. Therefore, in order to focus on the aging mechanism and conservation techniques for the beeswax-applied Annals of Joseon Dynasty, the beeswax applying and dewaxing techniques of Hanji were tried by auto bar coater with a hot plate, and by heat-pressure sensitive extracting treatments. The ageing behaviors of beeswaxed Hanji and dewaxed Hanji were investigated by measuring the changes of physical, optical, morphological, and chemical properties, through accelerated ageing treatment in dry oven at $150^{\circ}C$ during 48 hours. Consequently, the ageing actions of beeswaxed Hanji were even faster than that of Hanji. The optimum dewaxed amounts from beeswaxed Hanji was also obtained in pressure of $40\;kg_f$ under heating conditions.

Keywords

References

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