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Modified and thermoplastic rapeseed straw xylan: A renewable additive in PCL biocomposites
KTH Royal Institute of Technology, Sweden.
RISE - Research Institutes of Sweden (2017-2019), Bioeconomy, Biorefinery and Energy.ORCID iD: 0000-0002-8992-3623
KTH Royal Institute of Technology, Sweden.
2018 (English)In: Industrial crops and products (Print), ISSN 0926-6690, E-ISSN 1872-633X, Vol. 119, p. 73-82Article in journal (Refereed) Published
Abstract [en]

Xylan extracted from rapeseed straw was chemically modified to gain hydrophobic and thermoplastic properties via macroinitiator formation followed by a free radical grafting-from polymerization with octadecyl acrylate. Biocomposites were then prepared by incorporation of 5 or 20% (w/w) rapeseed straw xylan into a poly(ε-caprolactone) (PCL) matrix by melt extrusion. The grafted xylan was homogeneously distributed within the biocomposite and reinforced the PCL matrix while at the same time preserving the ability to elongate to tensile strains >500%. Analogous biocomposites made from unmodified xylan in a PCL matrix resulted in heterogeneous mixtures and brittle tensile properties.

Place, publisher, year, edition, pages
2018. Vol. 119, p. 73-82
Keywords [en]
Rapeseed/canola straw, Extraction, Autohydrolysis, Severity factor, Hemicellulose
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:ri:diva-33752DOI: 10.1016/j.indcrop.2018.03.067Scopus ID: 2-s2.0-85045072624OAI: oai:DiVA.org:ri-33752DiVA, id: diva2:1203200
Available from: 2018-05-02 Created: 2018-05-02 Last updated: 2020-05-26Bibliographically approved

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Brännvall, Elisabet

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