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Issue 25, 2017
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Continuous microfiber drawing by interfacial charge complexation between anionic cellulose nanofibers and cationic chitosan

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Abstract

This study describes a novel process of drawing fibers generated by the electrostatic complexation of negatively charged nanocellulose fibers with positively charged chitosan macromolecules. The process involves the continuous pulling of the aqueous media incorporating each polymer at their interface. The morphology of the wet and dry fibers, assessed by optical and electron microscopy, shows that the cellulose nanofibers surrounded by chitosan were aligned along the fiber direction. This was supported by the very high mechanical properties of the dry fibers.

Graphical abstract: Continuous microfiber drawing by interfacial charge complexation between anionic cellulose nanofibers and cationic chitosan

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Supplementary files

Article information


Submitted
20 Mar 2017
Accepted
22 May 2017
First published
09 Jun 2017

J. Mater. Chem. A, 2017,5, 13098-13103
Article type
Paper

Continuous microfiber drawing by interfacial charge complexation between anionic cellulose nanofibers and cationic chitosan

R. Grande, E. Trovatti, A. J. F. Carvalho and A. Gandini, J. Mater. Chem. A, 2017, 5, 13098
DOI: 10.1039/C7TA02467C

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