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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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This study aims to investigate the applicability of supercritical fluid extraction as a dewaxing technique to restore the beeswax-treated volume of the Annals of the Joseon Dynasty in various deterioration and damage conditions. Thus, this study analyzed the dewaxing efficiency and changes in physical and morphological properties before and after dewaxing, by applying the optimal supercritical fluid extraction dewaxing condition (70℃, 40 MPa, CO₂, Co-solvent 20% DCM, 2 hour) to 3 kinds of beeswax-treated paper with different deterioration rates (dry artificial aging of 10, 20 and 30 days at 120℃).
After dry artificial aging at 120℃ for 30 days, the average molecular weight of the beeswax-treated specimen was 1.856×105 g/mol, showing deterioration about 80% of the beeswax-treated paper before dewaxing. It was a similar level to the molecular weight of the bees-waxed volume of the Annals of the Joseon Dynasty that has a higher degree of damage. As a result of analyzing the dewaxing efficiency through FT-IR analysis, this study discovered that it was possible to effectively dewax beeswax-treated paper in the range of deterioration 20 to 80% with this supercritical fluid extraction dewaxing technique applied. As a result of analyzing changes in the physical and morphological properties before and after dewaxing, the viscosity tended to decrease to a slight degree, and since no morphological deformation or damage of stencil fibers was found, it was concluded possible to conduct stable dewaxing through this supercritical fluid extraction technique.
After dry artificial aging at 120℃ for 30 days, the average molecular weight of the beeswax-treated specimen was 1.856×105 g/mol, showing deterioration about 80% of the beeswax-treated paper before dewaxing. It was a similar level to the molecular weight of the bees-waxed volume of the Annals of the Joseon Dynasty that has a higher degree of damage. As a result of analyzing the dewaxing efficiency through FT-IR analysis, this study discovered that it was possible to effectively dewax beeswax-treated paper in the range of deterioration 20 to 80% with this supercritical fluid extraction dewaxing technique applied. As a result of analyzing changes in the physical and morphological properties before and after dewaxing, the viscosity tended to decrease to a slight degree, and since no morphological deformation or damage of stencil fibers was found, it was concluded possible to conduct stable dewaxing through this supercritical fluid extraction technique.
목차
ABSTRACT
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
Literature Cited
참고문헌 (18)
참고문헌 신청
1. [학술지(정기간행물)] - Jeong, S. Y. / 2004 / Investigation of conservation state on the waxed volumes of Annals of the Joseon Dynasty / Conservation Studies 25 : 119 ~ 132
2. [단행본] - Song, K. J. / 2005 / Preliminary investigation to preserve the Annals of the Joseon Dynasty (1) / Seoul National University Press : 195 ~ 235
3. [보고서] - / 2006 / The study of restoration technique of beeswax-treated volume of the Annals of the Joseon Dynasty, Research report : 138 ~ 146
4. [보고서] - / 2013 / Research on Restoration Technology for Beeswaxtreated Annals of Joseon Dynasty 1 : 76 ~ 77
5. [학술지(정기간행물)] - 최경화 / 2010 / 밀랍본 시제품의 습식 순환인공열화 특성분석 / 펄프종이기술 42 (4) : 15 ~ 24
2. [단행본] - Song, K. J. / 2005 / Preliminary investigation to preserve the Annals of the Joseon Dynasty (1) / Seoul National University Press : 195 ~ 235
3. [보고서] - / 2006 / The study of restoration technique of beeswax-treated volume of the Annals of the Joseon Dynasty, Research report : 138 ~ 146
4. [보고서] - / 2013 / Research on Restoration Technology for Beeswaxtreated Annals of Joseon Dynasty 1 : 76 ~ 77
5. [학술지(정기간행물)] - 최경화 / 2010 / 밀랍본 시제품의 습식 순환인공열화 특성분석 / 펄프종이기술 42 (4) : 15 ~ 24
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UCI(KEPA) : I410-ECN-0101-2016-586-001054320