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Vahid Shakeri Siavashani,Nevin Cigdem Gursoy,Majid Montazer,Pelin Altay 한국섬유공학회 2022 Fibers and polymers Vol.23 No.10
In this research, multifunctional properties of cotton/lycra textiles coated with ternary composites of polypyrrole(PPy), silver nanoparticles (SNPs), and poly(3,4-ethylene dioxythiophene) poly(styrene sulfonate) (PEDOT:PSS) (P-S-Pcomposites) is reported. FTIR spectroscopy, XRD and XPS surface analysis proved successful in situ polymerization of theP-S and also attaching the PEDOT:PSS onto the cotton/lycra surface. Morphological observations showed that coating thecotton/lycra textile with the P-S-P composites made a more compact layer on the surface. Surface topology showed that thePEDOT:PSS was able to fill the gaps between the P-S composites, thus making the surface smoother. Wettabilityinvestigations showed that considering the Wenzel theory, by increasing the density of the P-S coating, the hydrophobicity ofthe fabric increased but according to the smoother surface of the fibers after coating with PEDOT:PSS, the hydrophobicitywas slightly reduced. Due to filling the gaps on the surface and more compact layer, the P-S-P coated textile acted as anexcellent electromagnetic interference shield (SE≈40 dB) showed better electromagnetic absorption, reflection, and shieldingeffectiveness (SE) of about 40 %, 103 %, 115 % respectively than the P-S coated textile while the transmission decreased to35 %. Moreover, the treated textile had wonderful antimicrobial activity against both Gram-positive and negative bacteriaand also fungi. According to flexibility, high conductivity, and multifunctional property, the cotton/lycra knitted textilescoated with P-S-P could be very reliable to be used for developing smart textiles which are desirable for protective andmedical applications.