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Saima Habib, Farzana Kishwar, Zulfiqar Ali Raza

11
Sep 15, 2022
Pigment & Resin Technology
DOI :
10.1108/prt-06-2022-0077
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Citrate mediated impregnation of silver nanoparticles for durable antibacterial cellulosic fabric Saima Habib, Farzana Kishwar, Zulfiqar Ali Raza Pigment & Resin Technology, Vol. ahead of print, No. ahead of print, pp. The purpose of this study is to apply silver nanoparticles on the cellulosic fabric via a green cross linking approach to obtain antibacterial textiles. The cellulosic fabrics may provide an ideal enclave for microbial growth due to their biodegradable nature and retention of certain nutrients and moisture usually required for microbial colonization. The application of antibacterial finish on the textile surfaces is usually done via synthetic cross linkers, which, however, may cause toxic effects and halt the biodegradation process. Herein, we incorporated citrate moieties on the cellulosic fabric as eco friendly crosslinkers for the durable and effective application of nanosilver finish. The nanosilver finish was then applied on the citrate treated cellulosic fabric under the pad dry cure method and characterized the specimens for physicochemical, textile and antibacterial properties. The results expressed that the as prepared silver particles possessed spherical morphology with their average size in the nano range and zeta potential being −40 ± 5 mV. The results of advanced analytical characterization demonstrated the successful application of nanosilver on the cellulosic surface with appropriate dispersibility. The nanosilver treated fabric exhibited appropriate textile and comfort and durable broad spectrum antibacterial activity. The treated cellulosic fabric expressed that the cross linking, crystalline behavior, surface chemistry, roughness and amphiphilicity could affect some of its comfort and textile properties yet be in the acceptable range for potential applications in medical textiles and environmental sectors.

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