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The main topic of this study is Green and environmentally wool dyeing. For this purpose, yellow and black myrobalan extract as green mordants and madder and resedaluteola as natural dyes were used. The FTIR-ATR spectra of the washed wool yarns, mordanted wool yarns and dyed wool yarns confirmed bonding of wool yarns with the green mordant and dyes through comparing chemical structures. The effective linkage between yarn, mordant and dye molecules removes the C-N peaks in FTIR-ATR spectra. After dyeing process, fastness and dyeing properties of dyed wool yarns were investigated. The K/S values of dyed wool yarns with extracted madder and resedaluteola were quantified values; and fastness properties including light, wash, and rubbing fastness were defined as per ISO standard methods. The research pointed out that the myrobalan extraction as a potential route for the development of eco-friendly dyeing in green production of dyed yarns.

Green Dyeing of Wool Yarns with Yellow and Black Myrobalan Extract as Bio-mordant with Natural Dyes