Abstract
Hydrophilicity of Nylon-6 fabrics has been modified by surface coating with aqueous solution of carboxymethyl cellulose and acrylic acid (AAc) using UV irradiation. The effect of AAc concentration and UV irradiation time (minute) on the hydrophilic properties of the coated nylon fabric was studied. Water absorption (%) increased with increasing AAc concentration up to 20% at 20 min. Morphology of coated fabrics was examined by scanning electron microscope, which indicated compatibility between coating layer and fabrics. Moreover, mechanical properties in terms of tensile strength and elongation at break were studied. The sorption of dyestuffs such as basic, and reactive and also, sorption of metal ions by coated fabrics was measured using UV Spectrophotometer. The results showed that the coated fabrics have a high affinity for basic rather than reactive dye. Also, coated fabrics show good efficiency toward metal ions such as Cu2+, Ni2+, and Co2+. The results obtained show that the coated nylon fabrics have good sorption ability toward heavy metal ions and dyes.
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