Concurrent Dyeing and Finishing of Textile Fabrics Using Chemically Modified Peanut Red Skin Extract

AbstractProgressive environmental awareness and legislation regarding the pollutants discharged from textile coloration plants allocate natural colorants in the forefront position for the dyeing and printing of many textile substrates. In this study, a genuine dye was synthesized by combining the diazonium salt of m-anisidine with a crude extract of peanut skin. The melting point of the synthesized dye (SD) as well as its Fourier transform infrared and UV–Visible spectra was recorded. The SD was used in the dyeing of wool, cotton, Lyocell®, and polyester fabrics with different dye shades, pH, time, and temperature. The color strength, colorimetric data, fastness properties, antimicrobial efficiency, ultraviolet protection factor, and tensile properties of the dyed fabrics were evaluated. The SD was a good colorant for wool and polyester fabrics but of lower substantivity for cotton and Lyocell®. The fastness properties of the dyed fabrics against light, washing, crocking, and perspiration were good to excellent. The dyed fabrics exhibited antimicrobial properties against Gram + ve bacteria, Gram − ve bacteria, and pathogenic fungus (Candida albicans) to different extents, depending on the dyed fabric and test species. Most of the dyed wool samples retained their antimicrobial properties even after ten washing cycles. The ultraviolet protection factor of the dyed fabrics was enhanced without deterioration of their tensile properties.