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Phosphorylated nanofibrillated cellulose: Production and properties
RISE, Innventia.
RISE, Innventia.ORCID iD: 0000-0001-7979-9158
NMRArc, Sweden.
RISE, Innventia.ORCID iD: 0000-0002-2622-9757
Show others and affiliations
2016 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 31, no 1, p. 20-29Article in journal (Refereed) Published
Abstract [en]

Phosphate functionalized nanofibrillated cellulose (NFC) was produced through an industrially attractive process, by reacting wood pulp with a phosphate containing salt, followed by mechanical delamination through microfluidization. The degrees of delamination of the phosphorylated NFCs (judged by among others AFM-imaging, rheological studies and tensile strength measurements on NFC films) were found to improve with increasing functionalization of the pulp and number of microfluidization-passes. The NFC systems were found to display similar characteristics as other well-known NFC systems. Interestingly, however, the sufficiently delaminated phosphorylated NFCs exhibited significantly lower oxygen permeability values (at RH 50%) than the published values of several well-known highly delaminated NFC systems. The potential application of the phosphorylated NFC in packaging applications can hence be envisaged.

Place, publisher, year, edition, pages
2016. Vol. 31, no 1, p. 20-29
Keywords [en]
Afm-imaging, Barrier properties, Nanofibrillated cellulose (nfc), Nmr, Phosphorylation, Rheology, Tensile strength properties
National Category
Paper, Pulp and Fiber Technology Nano Technology
Identifiers
URN: urn:nbn:se:ri:diva-12632DOI: 10.3183/npprj-2016-31-01-p020-029Scopus ID: 2-s2.0-84961595235OAI: oai:DiVA.org:ri-12632DiVA, id: diva2:971141
Available from: 2016-09-15 Created: 2016-09-15 Last updated: 2024-02-27Bibliographically approved

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Lindström, TomFlodberg, GöranJunel, Kristina

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