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From forest residues to hydrophobic nanocomposites with high oxygen-barrier properties
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0002-7055-1057
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0002-0252-337X
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
2016 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 31, no 2, 261-269 p.Article in journal (Refereed) Published
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Text
Abstract [en]

A biorefinery of forest resources should be able to convert all components of trees, including the bark and other types of forest residues, into value-added products. Here, non-cellulosic polysaccharides (NCPs) isolated from Norway spruce bark and cellulose nanocrystals (CNCs) isolated from the logging residues of Norway spruce were mixed to prepare nanocomposites with competitive thermo-mechanical properties. Polyepoxy acid (PEA) derived from a monomer of suberin in birch bark was used as a coating on the nanocomposites to develop functional materials entirely based on forest resources. All of the PEA-coated nanocomposites were hydrophobic. At 50% and 80% relative humidity, they showed high oxygen-barrier properties that were comparable to or even better than those of some renewable materials such as xylan-, galactoglucomannan- and nanofibrillated cellulose-based films and synthetic materials such as polyvinylidene chloride and polyamide.

Place, publisher, year, edition, pages
2016. Vol. 31, no 2, 261-269 p.
Keyword [en]
Biorefinery, Bark, Forest residue, Cellulose nanocrystal, Suberin
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-190530DOI: 10.3183/NPPRJ-2016-31-02-p261-269ISI: 000378442300012Scopus ID: 2-s2.0-84977556451OAI: oai:DiVA.org:kth-190530DiVA: diva2:952932
Funder
VINNOVA
Note

QC 20160816

Available from: 2016-08-16 Created: 2016-08-12 Last updated: 2016-12-01Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
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  • fi-FI
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Output format
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