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A Study on Natural Dyeing using Caesalpinia sappan -Mordanting Effect of Rice Straw Ash Solution-
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 Title & Authors
A Study on Natural Dyeing using Caesalpinia sappan -Mordanting Effect of Rice Straw Ash Solution-
Kwon Min-Soo; Choi In-Ryu; Kim Jong-Jun; Jeon Dong-Won;
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 Abstract
In the previous article, the effect of aluminum compounds on the mordanting of the Caesalpinia sappan L. dyeing was studied. According to the type of the compound, the effect on the dyeing was found to be different even if ion was present in the molecular structure of the compound. It was postulated that there would be complex effects other than the effects based on the purified Al compounds only, since there are some amount of compounds hard to neglect. In order to reproduce the traditional dyeing practice, rice straw ash solutions were prepared as mordanting agents. The pH values of the solution baths were 4, 5, 6, 9, and 11 in order to investigate the pH effect on the color development by adding appropriate amount of Schizandra chinensis extract solution. The inherent dyeing properties were evaluated by the analysis of color difference, air permeability, the characteristics developed by pre-mordanting, post-mordanting, or simultaneous mordanting methods.
 Keywords
Caesalpinia sappan;mordanting;rice straw ash solution;Schizandra chinensis;
 Language
Korean
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