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Multifunctional ZnO/Nylon 6 nanofiber mats by an electrospinning - electrospraying hybrid process for use in protective applications
- Vitchuli, Narendiran, Shi, Quan, Nowak, Joshua, Kay, Kathryn, Caldwell, Jane M., Breidt, Frederick, Bourham, Mohamed, McCord, Marian, Zhang, Xiangwu
- Science and technology of advanced materials 2011 v.12 no.5
- Escherichia coli, air, antibacterial properties, cotton fabric, detoxification (processing), nanofibers, nanoparticles, nylon, paraoxon, permeability, protective clothing, vapors, zinc oxide
- ZnO/Nylon 6 nanofiber mats were prepared by an electrospinning–electrospraying hybrid process in which ZnO nanoparticles were dispersed on the surface of Nylon 6 nanofibers without becoming completely embedded. The prepared ZnO/Nylon 6 nanofiber mats were evaluated for their abilities to kill bacteria or inhibit their growth and to catalytically detoxify chemicals. Results showed that these ZnO/Nylon 6 nanofiber mats had excellent antibacterial efficiency (99.99%) against both the Gram-negative Escherichia coli and Gram-positive Bacillus cereus bacteria. In addition, they exhibited good detoxifying efficiency (95%) against paraoxon, a simulant of highly toxic chemicals. ZnO/Nylon 6 nanofiber mats were also deposited onto nylon/cotton woven fabrics and the nanofiber mats did not significantly affect the moisture vapor transmission rates and air permeability values of the fabrics. Therefore, ZnO/Nylon 6 nanofiber mats prepared by the electrospinning–electrospraying hybrid process are promising material candidates for protective applications.