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To investigate the dying properties of the extracts from different parts of Neolitsea sericea Koidz on Hanji, the dye materials were prepared from the extraction methods using 1 ℓ of hot water and alkaline solution with 40 g of leaves, bark, and wood each. K/S values and H (V/C) values of the Hanji dyed at different pH, temperature, time, and concentration of extract were determined using a spectrophotometer, and the maximum absorption wavelength of the dyed Hanji was 400 ㎚. From the analyzed data, the optimum dying conditions were pH 5 of dying solution, 70℃ of dying temperature, 40 minutes of dying time, and 100% of dye concentration. The color of dyed Hanji was Y to YR and color R-and RP-type could also be formed from the different treatment conditions. From the dyeing using mordants, amount of the bound dye materials was high in the pre-mordanted Hanji and in Hanji treated with extracts from the leaves. Also, the amount of the bound dye materials in the pre-mordanted Hanji was higher when aluminum and iron mordant was used rather than other mordants. Not likely with this, amount of the bound dye materials in the post-mordanted Hanji was higher when copper mordant was used. In color, Hanji treated extracts from the leaves appeared as Y-type and ones treated with extracts from bark and wood showed YR-type.

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UCI(KEPA) : I410-ECN-0101-2009-586-016630062