Issue 25, 2017

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

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

Supplementary files

Article information

Article type
Paper
Submitted
20 mar 2017
Accepted
22 máj 2017
First published
09 jún 2017

J. Mater. Chem. A, 2017,5, 13098-13103

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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