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Enhancing the properties of carboxymethylated nanofibrillated cellulose by inclusion of water in the pre-treatment process
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
2016 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 31, no 3, 372-378 p.Article in journal (Refereed) PublishedText
Abstract [en]

Well-delaminated carboxymethylated nanofibrillated cellulose (NFCCarb) systems are prerequisites for many industrial applications. In this study it was shown that addition of water, in a narrow range, not only improves the efficiency of the carboxymethylation process, but also enhances the degree of delamination of NFCCarb, which leads to improved properties. The observations were proposed to be due to a more homogeneous distribution of the charged groups, brought about by the higher swelling of fibers with inclusion of water.

Place, publisher, year, edition, pages
AB SVENSK PAPPERSTIDNING , 2016. Vol. 31, no 3, 372-378 p.
Keyword [en]
Nanofibrillated cellulose (NFC), Carboxymethylation, Charge distribution, Solvent, Water retention value (WVR)
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:kth:diva-189958ISI: 000378891500003OAI: oai:DiVA.org:kth-189958DiVA: diva2:950060
Note

QC 20160727

Available from: 2016-07-27 Created: 2016-07-25 Last updated: 2016-07-27Bibliographically approved

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Erlandsson, Johan
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