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http://dx.doi.org/10.7584/ktappi.2012.44.1.001

Strengthening Treatment of Aged Hanji with Solvent Soluble Polymers  

Kim, Kang-Jae (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University)
Lee, Min-Hyung (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University)
Eom, Tae-Jin (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.44, no.1, 2012 , pp. 1-9 More about this Journal
Abstract
In this study, 5 solvent soluble polymers were treated on Hanji. Mechanical properties, morphology and oxidation index with thermal aging were measured on the aged Hanji, dewaxed Hanji and polymer treated Hanji. Synthetic polymers(such as polylactic acid, polybutylene succinate, polystyrene) treated Hanji had higher strength and thermal stability than cellulose derivatives(such as cellulose nitrate and cellulose acetate) treated Hanji. Polymer treated Hanji showed a little bit of color change. The oxidation index of PS treated Hanji did not increase with thermal aging because it did not have a carboxyl group in chemical structure. Finally, polystyrene was found to be the most efficient method for strengthening the dewaxed Hanji. The best aging safety and thermal stability were obtained at the polystyrene 3% solution.
Keywords
Hanji; Strengthening treatment; aging; solvent soluble polymer; polystyrene;
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