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Modification of cellulose fibers by plasma treatment = Modifikacija celuloznih vlaken s plazemsko obdelavoVesel, Alenka ...Regenerated cellulose textile fibres are rather hydrophilic, but in some cases, even higher reactivity is needed, namely sorption ability. The aim of the present work was to find out, if the plasma ... activation is appropriate procedure for surface activation of cellulose textile fibres for later chitosan adsorption and binding. A study on cold plasma treatment of a textile is presented. Samples of a pure viscose textile were exposed to a weakly ionized, highly dissociated RF plasma with an electron temperature of about 3 eV, an ion density of the order of 10[sup]{15} m[sup]{-3} and a density of neutral atoms of the order of 10[sup]{21} m[sup]{-3}. Samples were treated by oxygen, nitrogen or hydrogen plasma for 5 s. The gas pressure was 75 Pa and the RF power was 250 W. In all cases the plasma treatment induced chemical changes in the sample surface, which were determined by using high-resolution XPS (X-ray photoelectron spectrometer). The treatments in oxygen and nitrogen plasma caused increased concentration of existing as well as formation of new oxidative functional groups, while hydrogen plasma caused a substantial decrease of these functional groups. Ageing of the surface treated in oxygen plasma was studied 4 h, 24 h and 96 h after the plasma treatment. The surface seems to be rather stable. SEM analysis of the surface of the textile fibres were performed as well. The results showed that the surface of the textile fibres treated in nitrogen plasma is similar to the untreated fibres, while after treatment in hydrogen or oxygen plasma, the surface becomes rougher.Source: Program in knjiga povzetkov = Program and book of abstracts (Str. 98)Type of material - conference contributionPublish date - 2008Language - english, slovenianCOBISS.SI-ID - 715178
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Vesel, Alenka | 20048 |
Mozetič, Miran, 1961- | 10429 |
Strnad, Simona, 1965- | 10575 |
Peršin Fratnik, Zdenka | 19268 |
Stana-Kleinschek, Karin | 07814 |
Hauptman, Nina | 27704 |
Source: Personal bibliographies
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