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Natural dyeing with walnut hull(Ⅰ) - Dyeing properties of wool fabric -  

Sin, Yun Suk (전남대학교)
Mun, Seong In (전남대학교)
Publication Information
Textile Coloration and Finishing / v.14, no.2, 2002 , pp. 102-102 More about this Journal
Abstract
The purpose of this study is to investigate dyeing properties of wool fabric with walnut colorants. Walnut colorants were extracted with water from walnut hull and characterized by FT-IR analysis. Effects of dyeing conditions and mordanting on dyeing properties and colorfastness were studied. Results obtained were as follows, 1. Higher K/S value was obtained at higher temperature and longer dyeing time, the highest K/S value was shown at 100℃, 60min. 2. Dye uptake was increased with the increase in colorants concentration up to 2%. Higher K/S value was obtained at acidic condition. 3. Mordanting was not effective for improving dye uptake and colorfastness and for changing color of the dyed fabric.
Keywords
walnut colorants; dyeing properties; wool fabric; mordanting; colorfastness;
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