ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING, cilt.48, sa.1, ss.389-397, 2023 (SCI-Expanded)
Nanofibers were obtained using four different solutions including polyurethane (PU), ferrocene (Fer) and silver (Ag)-incorporated polyurethane matrix (PU-Fer, PU-FerAg1, PU-FerAg2) via electrospinning process and analyzed in terms of gas adsorption capability and antimicrobial activity. The synthesized compounds and electrospun nanofibers were characterized (FTIR, XRD, SEM) and analyzed in terms of thermal stability and gas adsorption effectiveness via DSC and BET, respectively. The data prove the existence of the Fer structure in the PU nanofilm and successful fabrication of Ag-incorporated PU-Fer composite nanofibers. The antimicrobial activity in the related solutions was also observed using Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) bacteria. The observations depict that incorporation of ferrocene and silver in polyurethane matrix exhibits a maximum increment of 7.14% in solution viscosity (comparison between PU and PU-FerAg2). As expected, this incorporation demonstrates a dramatic increase of 5006% in conductivity due to metal existence in the solution. Furthermore, PU-FerAg2 steps forward with a minimum fiber diameter of 307 +/- 233 nm, maximum BET surface area of 39.1 m(2)/g, maximum adsorbed N-2 gas volume of 8.94 cc/g and best antimicrobial effectiveness for both bacteria species. Eventually, the features of the nanofibers electrospun from PU-FerAg polymeric matrixes come into prominence in terms of fabricating antimicrobial textiles for wound covers and gas adsorption mechanisms.