Electrospun silver modified polyarylonitrile-activated carbon composite fibers: Methylene blue adsorption and antibacterial activity

Volume 3, Issue 2, April 2018     |     PP. 58-75      |     PDF (1837 K)    |     Pub. Date: April 23, 2018
DOI:    341 Downloads     7983 Views  

Author(s)

Thinnakorn Magdee, Department of Chemistry, Ubon Ratchathani Rajabhat University, 2 Ratchathani Road, Mueang District, Ubon Ratchathani, 34000, Thailand
Darunee Aussawasathien, Plastics Technology Lab, Polymer Research Unit, National Metal and Materials Technology Center, 114 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand
Sa-Nguansak Sriphalang, Department of Chemistry, Ubon Ratchathani Rajabhat University, 2 Ratchathani Road, Mueang District, Ubon Ratchathani, 34000, Thailand
Kittipong Hrimchum, Plastics Technology Lab, Polymer Research Unit, National Metal and Materials Technology Center, 114 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand

Abstract
Silver modified polyacrylonitrile-activated carbon (Ag-PAN-AC) composite fibers containing various AC concentrations were prepared by using an electrospinning process. Ag-PAN nanoparticles were initially prepared via in-situ reduction of silver nitrate using hydrazinium hydroxide as a reducing agent. The influence of AC contents on fiber morphology, methylene blue (MB) adsorption and antibacterial activity were investigated. Ag-PAN-AC composite fibers had rough and porous surfaces with an average fiber diameter of 200-250 nm. The size of fibers slightly decreased with increasing bead fibers when the dosage of AC increased. The Ag-PAN-AC composite fibers containing 5% (w/v) of AC showed the maximum MB adsorption and exhibited the highest antibacterial activity against Staphylococcus aureus (S. aureus) due to the synergetic effect of AC and large surface area of fibers. The MB adsorption isotherm was Langmuir isotherm and the kinetic data fitted well with the pseudo second order model. The obtained results suggested that Ag-PAN-AC composite fibers could be promising candidates as dye adsorbents with antibacterial activity.

Keywords
polyacrylonitrile, activated carbon, silver nanoparticle, composite fiber, electrospinning

Cite this paper
Thinnakorn Magdee, Darunee Aussawasathien, Sa-Nguansak Sriphalang, Kittipong Hrimchum, Electrospun silver modified polyarylonitrile-activated carbon composite fibers: Methylene blue adsorption and antibacterial activity , SCIREA Journal of Materials. Volume 3, Issue 2, April 2018 | PP. 58-75.

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