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Effect of Cationization Conditions on Dyeing Properties of Hemp Fabric with Natural Dye Extracted from Arabica Coffee Ground
Abstract:
The purpose of this research is to investigate the optimum conditions of cationization on hemp fabric which affect staining with natural dye solution extracted from Arabica coffee ground. For this work, three conditions for cationization on hemp fabric were investigated including temperature, time and concentration of cationic with liquor ratio of 1:100. Then, the cationized fabrics were dyed with 50% on weight fabric (owf) of coffee ground dye at 90°C for 60 min by using liquor ratio of 1:100. Dyed fabrics were measured color strength (K/S value) and color value (CIELAB color-different value) to indicate staining and to compare to non-cationized hemp fabric. It was found that the optimum conditions of cationization on hemp fabric for staining were 5%owf of cationic concentration at 90°C for 30 min providing the highest K/S value.
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267-271
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Online since:
May 2016
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© 2016 Trans Tech Publications Ltd. All Rights Reserved
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