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Nanofibrillated cellulose for enhancement of strength in high-density paper structures
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0001-9832-027X
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0001-5818-2378
2013 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 28, no 2, 182-189 p.Article in journal (Refereed) Published
Abstract [en]

In order to enhance dry and wet strength properties of paper, handsheets were made of wood pulp fibers and nanofibrillated cellulose (NFC). 10% NFC was mixed with wood pulp fibers (90%) subjected to different number of beating revolutions. Effects from xyloglucan (XG) hemicellulose addition were also studied. High density paper handsheets from these mixtures were prepared using a laboratory handsheet former. Strength properties were measured and densities of the materials estimated. Scanning electron microscopy was used to observe paper sheet surfaces. NFC significantly enhances strength for the paper handsheets both at 50% relative humidity and in the wet state so that NFC addition may be an alternative to mechanical beating. The main reason for property improvements is increased density of the final material. Tensile energy absorption improved strongly through favorable fiber-fiber interaction. NFC or NFC/XG addition combined with some mechanical beating may decrease energy needs compared with beating only.

Place, publisher, year, edition, pages
2013. Vol. 28, no 2, 182-189 p.
Keyword [en]
Paper, Nanofibrillated cellulose, wet strength, xyloglucan, tensile properties
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:kth:diva-126905DOI: 10.3183/NPPRJ-2013-28-02-p182-189ISI: 000321291900002Scopus ID: 2-s2.0-84882996578OAI: oai:DiVA.org:kth-126905DiVA: diva2:643103
Note

QC 20130826

Available from: 2013-08-26 Created: 2013-08-22 Last updated: 2017-12-06Bibliographically approved

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Zhou, QiBerglund, Lars A.

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