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Title: | Study of interaction between nitrogen DBD plasma-treated viscose fibers and divalent ions Ca<sup>2+</sup> and Cu<sup>2+</sup> | Authors: | Kramar, Ana D. Žekić, Andrijana Obradović, Bratislav Kuraica, Milorad Kostić, Mirjana M. |
Keywords: | Copper microparticles;Dielectric barrier discharge plasma;Sorption of calcium and copper;Viscose | Issue Date: | 1-Jan-2014 | Journal: | Cellulose | Abstract: | Viscose fibers were treated with atmospheric pressure dielectric barrier discharge (DBD) plasma obtained in nitrogen in order to activate the fiber surface prior to sorption of the divalent ions Ca2+ and Cu2+. Methylene blue sorption was used for estimation of carboxyl group formation on the surface after DBD plasma treatment, through the degree of fabric staining (K/S). Sorption of divalent ions was performed from solutions of each individual ion and from solutions of calcium and copper in succession onto untreated and plasma-treated viscose samples. The quantity of sorbed metal was determined from the neutralization and iodometric titration method. Scanning electron microscopy coupled with energy dispersive X-ray analysis was used for fiber morphology and surface characterization before and after plasma treatment, and after metal ions sorption. Experiments revealed copper microparticles formation on the fiber surface when sorption of copper was performed on samples with bonded calcium. Further analysis confirmed that for growth of copper particles, both calcium ions and nitrogen DBD plasma pretreatments are necessary. © 2014 Springer Science+Business Media Dordrecht. |
URI: | https://physrep.ff.bg.ac.rs/handle/123456789/457 | ISSN: | 0969-0239 | DOI: | 10.1007/s10570-014-0346-8 |
Appears in Collections: | Journal Article |
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