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The effect of xylan on the fibrillation efficiency of DED bleached soda bagasse pulp and on nanopaper characteristics
RISE, Innventia, PFI – Paper and Fiber Research Institute.ORCID iD: 0000-00003-2271-3637
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2015 (English)In: Cellulose (London), ISSN 0969-0239, E-ISSN 1572-882X, Vol. 22, no 1, 385-395 p.Article in journal (Refereed) Published
Abstract [en]

Xylan is the second most abundant polysaccharide and the most abundant hemicellulose component of soda bagasse pulp. In this study, bleached soda bagasse pulp (SB) and bleached bagasse dissolving pulp (DB) with varying amounts of xylan were fibrillated with a homogenization process. The produced fibrillated materials were used for making nanopaper structures. The surface, physical, mechanical and optical properties of the nanopaper were measured, and the effect of xylan was assessed. Laser profilometry (LP) and field emission scanning electron microscopy were applied to study the degree of the fibrillation. The pulp having the highest xylan content, SB, showed the highest yield of cellulose nanofibrils. Nanopaper produced from SB had a more consolidated structure than that produced from DB. Additionally, SB nanopaper yielded higher tensile strength, lower LP roughness, a higher barrier against oxygen and lower opacity. These results indicate a higher degree of fibrillation of the SB pulp compared to the DB pulp. Hence, the positive effect of xylan for facilitating the fibrillation of the starting pulp fibers was demonstrated.

Place, publisher, year, edition, pages
2015. Vol. 22, no 1, 385-395 p.
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Paper, Pulp and Fiber Technology Nano Technology
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URN: urn:nbn:se:ri:diva-18942DOI: 10.1007/s10570-014-0504-zScopus ID: 2-s2.0-84925501071OAI: oai:DiVA.org:ri-18942DiVA: diva2:1040120
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Available from: 2016-10-26 Created: 2016-10-26 Last updated: 2016-10-31Bibliographically approved

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Syverud, KristinChinga-Carrasco, Gary
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CiteExportLink to record
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