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A Transparent, Hazy, and Strong Macroscopic Ribbon of Oriented Cellulose Nanofibrils Bearing Poly(ethylene glycol)
KTH, School of Biotechnology (BIO), Glycoscience.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Biocomposites.
KTH, School of Biotechnology (BIO), Glycoscience. KTH, School of Chemical Science and Engineering (CHE), Centres, Wallenberg Wood Science Center.ORCID iD: 0000-0001-9832-027X
2015 (English)In: Advanced Materials, ISSN 0935-9648, E-ISSN 1521-4095, Vol. 27, no 12, 2070-2076 p.Article in journal (Refereed) Published
Abstract [en]

A macroscopic ribbon of oriented cellulose nanofibrils bearing polyethylene glycol is fabricated by stretching the cellulose nanofibrils network structure in the hydrogel state. The covalently grafted polyethylene glycol on the nanofibril surface facilitates the alignment and compartmentalization of individual nanofibrils in the ribbon. The ribbon has ultrahigh tensile strength (576 +/- 54 MPa), modulus (32.3 +/- 5.7 GPa), high transparency, and haze.

Place, publisher, year, edition, pages
2015. Vol. 27, no 12, 2070-2076 p.
Keyword [en]
cellulose nanofibrils, mechanical properties, optical haze, orientation, surface modification
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:kth:diva-165758DOI: 10.1002/adma.201404565ISI: 000351681300013PubMedID: 25665182Scopus ID: 2-s2.0-84925114568OAI: oai:DiVA.org:kth-165758DiVA: diva2:808751
Funder
EU, FP7, Seventh Framework Programme, 263017Swedish Research Council Formas, 2009-1687
Note

QC 20150504

Available from: 2015-04-29 Created: 2015-04-29 Last updated: 2017-12-04Bibliographically approved

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Zhou, Qi

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