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Cellulose

Erschienen in:

01.12.2013 | Original Paper

The surface charge of regenerated cellulose fibres

verfasst von: Frederik Weber, Georg Koller, Robert Schennach, Ingo Bernt, Rene Eckhart

Erschienen in: Cellulose | Ausgabe 6/2013

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Abstract

In this paper the influence of charged species on the sheet strength of viscose fibres was investigated. Four samples of chemical modified viscose fibres, as well as a reference fibre were studied. The swelling of these viscose fibres and the breaking length of hand sheets have been determined. Comparing the results, the influence of both, swelling and surface charge on the bonding force, is evident. The allocation of the charges, induced by cationic starch and Carboxmethylcellulose, has been analyzed by Titration, attenuated total reflection spectroscopy (ATR) and X-ray photoelectron spectroscopy (XPS). Titration was used to make a first estimation of the charge distribution within the fibre. Using ATR and XPS, more detailed information about the surface charge has been achieved. All measurement methods showed a significant amount of charge on the fibre surface.

Vorheriger Artikel Anisotropy of the elastic properties of crystalline cellulose Iβ from first principles density functional theory with Van der Waals interactions

Nächster Artikel The swelling and dissolution of cellulose crystallites in subcritical and supercritical water

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Titel: The surface charge of regenerated cellulose fibres
verfasst von: Frederik Weber
Georg Koller
Robert Schennach
Ingo Bernt
Rene Eckhart
Publikationsdatum: 01.12.2013
Verlag: Springer Netherlands
Erschienen in: Cellulose / Ausgabe 6/2013
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI: https://doi.org/10.1007/s10570-013-0047-8

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