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Dyeing Properties And Color Fastness Of Eri Silk Yarn Dyed With Soaked Red Kidneybean Water, Piyaporn Kampeerapappun, Kritsana Wongwandee, Siriluk Janon
Dyeing Properties And Color Fastness Of Eri Silk Yarn Dyed With Soaked Red Kidneybean Water, Piyaporn Kampeerapappun, Kritsana Wongwandee, Siriluk Janon
Journal of Metals, Materials and Minerals
The purpose of this research was to study the dyeing of eri silk yarn using soaked red bean water. The optimal condition for preparing dye solutions was a ratio of 1:5 of dried red bean to water and dyeing at 100°C for 45 min. The dyeing process was conducted with and without mordants, using three different mordanting methods; pre-mordanting, meta-mordanting, and post-mordanting. The effects on silk analyzed are color fastness to washing, wet and dry rubbing, acid and alkali perspiration, and color characteristics on CIEL*a*b* color coordinates.Without mordants, the dyed silk yarn gave a rosy brown color. Each mordant caused …