Simultaneous in situ synthesis of nanosilver and dyeing of polyamide 6 fabric
In this research, in situ synthesis of silver nanoparticles (Ag NPs) has been established in an aqueous solution alongwith the dyeing of polyamide 6 fabric through a simple chemical reduction method by using silver nitrate (AgNO3),stannous chloride (SnCl2) and cetyltrimethylammonium bromide (CTAB). SnCl2 is used as a reducing agent in synthesis ofAg NPs and also as mordant in the dyeing of polyamide 6 fabric. The formation and distribution of Ag NPs on surface of thefabric are characterized by X-ray diffraction, scanning electron microscope and energy dispersive X-ray. The SEM imagesindicate the covering of fabric surface with Ag NPs. Loading of Ag NPs on the fabric surface leads to higher color strengthand change in colour. The presence of stannous and silver ions also leads to change in the reflectance behaviour of the dyedfabrics. CTAB has antibacterial properties and shows stabilizing effects in synthesis of Ag NPs, which further showssynergistic effect in antibacterial activities of Ag NPs loaded fabrics.
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