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Biobased Composites from Biobased-Polyethylene and Barley Thermomechanical Fibers: Micromechanics of Composites
Univ Girona, Dept Chem Engn, LEPAMAP Grp, Girona 17003, Spain..
Univ Girona, Dept Chem Engn, LEPAMAP Grp, Girona 17003, Spain.;Univ Girona, Chair Sustainable Ind Proc, Girona 17003, Spain..ORCID iD: 0000-0002-7021-2055
Univ Girona, Dept Chem Engn, LEPAMAP Grp, Girona 17003, Spain..ORCID iD: 0000-0002-1540-3326
Univ Girona, Dept Org, Design Dev & Prod Innovat, Business, Girona 17003, Spain..ORCID iD: 0000-0002-6635-0260
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2019 (English)In: Materials, ISSN 1996-1944, E-ISSN 1996-1944, Vol. 12, no 24, article id 4182Article in journal (Refereed) Published
Abstract [en]

The cultivation of cereals like rye, barley, oats, or wheat generates large quantities of agroforestry residues, which reaches values of around 2066 million metric tons/year. Barley straw alone represents 53%. In this work, barley straw is recommended for the production of composite materials in order to add value to this agricultural waste. First of all, thermomechanical (TMP) fibers from barley straw are produced and later used to reinforce bio-polyethylene (BioPE) matrix. TMP barley fibers were chemically and morphologically characterized. Later, composites with optimal amounts of coupling agent and fiber content ranging from 15 to 45 wt % were prepared. The mechanical results showed the strengthening and stiffening capacity of the TMP barley fibers. Finally, a micromechanical analysis is applied to evaluate the quality of the interface and to distinguish how the interface and the fiber morphology contributes to the final properties of these composite materials.

Place, publisher, year, edition, pages
MDPI , 2019. Vol. 12, no 24, article id 4182
Keywords [en]
bio-polyethylene, barley straw, thermomechanical fibers, interface
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-267174DOI: 10.3390/ma12244182ISI: 000507308200160PubMedID: 31842419OAI: oai:DiVA.org:kth-267174DiVA, id: diva2:1391323
Note

QC 20200204

Available from: 2020-02-04 Created: 2020-02-04 Last updated: 2020-02-04Bibliographically approved

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