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Colorimetric Study on Silk Dyeing with the Extracted Dye from Longan Leaves Using Pre-Mordanting Technique: A Research on Effect of Mordant Concentration
Abstract:
Natural dye extracted from longan leaves was applied to a silk fabric by exhaustion dyeing process. Aluminium potassium sulfate, ferrous sulfate, copper sulfate, and stannous chloride were used as mordants. The dyeing was conducted with and without metallic salt mordants, using pre-mordanting method. Silk fabric dyed in a solution composed of a longan from leaves without mordant showed a shade of pale yellowish-brown, while those mordanted with stannous chloride, alum, and copper sulfate produced a variety of medium to dark yellowish-brown colour shades. However, duller and darker brown shade was obtained with ferrous sulfate mordant. The colour fastness to washing, water, and rubbing were good to very good. The light fastness results showed fair level.
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499-502
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Online since:
August 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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