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In this study, commercial acrylic fibers were modified with  diethylenetriamine to prepare metal chelating fibers. The effects of process  parameters on the efficiency of the reaction were investigated. FTIR  spectroscopy and TGA analysis were used to confirm the chemical changes made  to the fibers during the reaction. The ability of the modified fibers for  removal of Pb (II), Cu (II) and Ce (IV) ions from aqueous media was  determined. The modified fibers showed a slight decrease in mechanical  properties compared to raw ones. Furthermore, the acrylic micro fibers were  electrospun to nanofibers and the ability of modified nanofibers for the  adsorption of the metal ions was studied

Fabrication of chelating diethylenetriaminated pan micro and nano fibers for heavy metal removal