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    Reuse of Textile Waste to Production of the Fibrous Antibacterial Membrane with Filtration Potential

    Year: 2022

    Journal: Nanomaterials, Volume 12, JAN

    Authors: Opalkova Siskova, Alena; Pleva, Pavel; Hruza, Jakub; Frajova, Jaroslava; Sedlarikova, Jana; Peer, Petra; Kleinova, Angela; Janalikova, Magda

    Keywords: electrospinning; recycling of textile waste; stocking; polyamide; filtration; antibacterial membrane

    Wasted synthetic fabrics are a type of textile waste source; the reuse of them brings environmental protection and turns waste into a valuable material. In this work, the used nylon (polyamide) stockings were transmuted into a fine fibrous membrane via an electrospinning process. In addition, the safety antibacterial agent, monoacylglycerol (MAG), was incorporated into a recycled fibrous membrane. The results revealed that the neat, recycled polyamide (rPA) fibers with a hydrophobic surface could be converted into hydrophilic fibers by blending various amounts of MAG with rPA solution prior to electrospinning. The filtration efficiency and air/water vapor permeability of the two types of produced membranes, neat rPA, and rPA/MAG, were tested. Their filtration efficiency (E-100) was more than 92% and 96%, respectively. The membranes were classified according to Standard EN1822, and therefore, the membranes rPA and rPA/MAG were assigned to the classes E10 and E11, respectively. The air permeability was not affected by the addition of MAG, and water vapor permeability was slightly enhanced. Based on the obtained data, prepared rPA/MAG fibrous membranes can be evaluated as antifouling against both tested bacterial strains and antimicrobial against S. aureus.
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