Trends in Textile Engineering & Fashion Technology

Adsorption of Silver Ions from Aqueous Solution onto Thiol Modified Polyvinyl Alcohol Nanofibers

  • Open or Close Duy Nam Phan1, Yohei Hasegawa1, Kyung Hun Song2, Hoik Lee1* and Ick Soo Kim1*

    1Nano Fusion Technology Research Group, Shinshu University, Japan

    2Department of Clothing & Textiles, Pai Chai University, South Korea

    *Corresponding author: Hoik lee, Ick Soo Kim, Nano Fusion Technology Research Group, Division of Frontier Fibers, Institute for Fiber Engineering (IFES), Interdisciplinary Cluster for Cutting Edge Research (ICCER), Shinshu University, Tokida 3-15-1, Ueda, Nagano, 386-8567

Submission: February 01, 2018; Published: March 12, 2018

DOI: 10.31031/TTEFT.2018.01.000523

ISSN: 2578-0271
Volume1 Issue5


The crosslinked polyvinyl alcohol (PVA) with glutaraldehyde nanofibers was modified by the esterification of hydroxyl group on PVA with the carboxyl group of 3-mercaptopropionic acid under hydrochloric acid in aqueous environment. The thiol-modified nanofiber mat can absorb the silver ions dissolved in water. Surface morphology of prepared nanofiber mats were observed by scanning electron microscopy. The cross linking between PVA and glutaraldehyde and the thiol groups on the nanofibers after esterification reaction were confirmed by Fourier Transform Infrared Spectroscopy. The quantitative estimation of silver particle adsorbed onto the resultant nanofiber mat was performed by UV-Vis spectroscopy and inductively coupled plasma optical emission spectrometer (ICP-OES). The maximum adsorption volume was found to be 26.2mgg-1.

Keywords: Adsorption; Silver; Thiolate; Crosslinked nanofiber; Silver adsorption

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