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Phosphorylated nanofibrillated cellulose: Production and properties
RISE, Innventia.
RISE, Innventia.
RISE, Innventia.
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2016 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 31, no 1, 20-29 p.Article 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, 20-29 p.
Keyword [en]
Cellulose; Delamination; Nuclear magnetic resonance; Phosphorylation; Pulp materials; Rheology; Wood, AFM imaging; Barrier properties; Nanofibrillated cellulose; Nanofibrillated cellulose (NFC); Oxygen permeability; Packaging applications; Rheological studies; Tensile strength properties, Tensile strength, Cellulose Derivatives; Delamination; Permeability; Pulps; Rheological Properties; Tensile Strength
National Category
Paper, Pulp and Fiber Technology Nano Technology
Identifiers
URN: urn:nbn:se:ri:diva-12632Scopus ID: 2-s2.0-84961595235OAI: oai:DiVA.org:ri-12632DiVA: diva2:971141
Note

cited By 2

Available from: 2016-09-15 Created: 2016-09-15 Last updated: 2016-09-15Bibliographically approved

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Citation style
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