Abstract
The annals of Joseon Dynasty is one of the UNESCO's Memory of the World Register. For the safety preservation of wax applied volumes of the annals of Joseon Dynasty, the aging behavior of beeswax and beeswaxed Hanji with CO 2, O 3, SO 2 and NO 2 gas has been evaluated. The weight loss of beeswaxed Hanji after aging under ozone gas were increased because of strong acidity of ozone. The acid value and relative intensity of carbonyl groups in beeswax were stabilized with aging time. The physical strength of dewaxed Hanji after ozone aging were rapidly decreased by aging time. The crystallinity of dewaxed Hanji were stabilized at all aging times.
| Original language | English |
|---|---|
| Pages (from-to) | 73-79 |
| Number of pages | 7 |
| Journal | Palpu Chongi Gisul/Journal of Korea Technical Association of the Pulp and Paper Industry |
| Volume | 43 |
| Issue number | 3 |
| State | Published - 2011 |
Keywords
- Beeswax coated Hanji
- CO
- Dewaxed Hanji
- Joseon Dynasty
- O
- SO and NO gas aging
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