Abstract
This work reports on dyeing of nylon/elastane fabric with water-soluble phthalocyanines ( 1-4 ) bearing quinoline 5-sulfonic acid substituents on the peripheral or nonperipheral positions and determining the antibacterial efficiency of the phthalocyanine compounds and the dyed nylon/elastane fabrics. The light, washing, water, perspiration, and rubbing fastness properties of nylon/elastane fabrics dyed with phthalocyanines were also determined. The results showed that all dyed fabrics showed very good wet fastness values. The lightfastness value of the nylon/elastane fabric dyed with phthalocyanine dye ( 1 ) showed a much better value than the others. Also, the antibacterial efficiencies of the dyed nylon fabrics and the dye compounds were investigated against a gram-negative ( Escherichia coli ) and a grampositive ( Staphylococcus aureus ) bacteria by using disc diffusion method. The results showed that the dyed nylon/elastane fabrics and the compounds exhibited antibacterial activities against both bacteria.
Highlights
Dyes are molecules that absorb and reflect light at specific wavelengths to give human eyes the sense of color [1]
Water-soluble anionic dyes known as acid dyes are used to dye nitrogenous fibers that have basic groups such as polyamide and wool [5,6]
In the present study, the nylon/elastane fabric was successfully stained with four different water-soluble phthalocyanine (1-4) compounds for the first time in the literature
Summary
Dyes are molecules that absorb and reflect light at specific wavelengths to give human eyes the sense of color [1]. Synthetic dyes are made in a laboratory using chemicals. Some of the synthetic dyes contain metals too. One of the most used applications of dyes is to be used for coloring the fabrics [2]. Textile industry needs many synthetic dyes, such as sulfur dyes, basic dyes, acid dyes, disperse dyes, reactive dyes, direct dyes, and vat dyes, to meet the ever-growing demand for quality, fastness, variety, and color depth [3]. Acid dyes are very common and the most important group of dyestuffs. Water-soluble anionic dyes known as acid dyes are used to dye nitrogenous fibers that have basic groups such as polyamide and wool [5,6]
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