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Moisture uptake and resulting mechanical response of biobased composites. I. constituents
Luleå University of Technology, Sweden.
Luleå University of Technology, Sweden.
RISE, Swerea, SICOMP. Luleå University of Technology, Sweden.ORCID iD: 0000-0002-5210-4341
2014 (English)In: Polymer Composites, ISSN 0272-8397, E-ISSN 1548-0569, Vol. 35, no 6, p. 1150-1159Article in journal (Refereed) Published
Abstract [en]

The mechanical properties of the biobased fiber and resins have been characterized and moisture influence on the behavior of these materials has been studied. Commercially available biobased thermoset resins (Tribest, EpoBioX, Palapreg, Envirez SA, and Envirez SB) and regenerated cellulose fibers (Cordenka) have been conditioned at different levels of relative humidity (as received, dried, 41, 70, and 90%) to obtain materials with different moisture content. The following properties of polymers were measured: tensile, flexural (3P-bending), impact strength (unnotched Charpy), and fracture toughness (compact tension). The results of characterization of biobased thermosets were compared against data for epoxy Araldite LY556, which is used as reference resin. RCF bundles (with and without twist, extracted from fabric) as well as single fibers separated from these bundles were tested in tension. In general biobased resins performed well, moreover EpoBioX showed better properties than synthetic epoxy.

Place, publisher, year, edition, pages
John Wiley and Sons Inc. , 2014. Vol. 35, no 6, p. 1150-1159
Keywords [en]
Bending strength, Characterization, Mechanical properties, Moisture, Thermosets, Impact strength, Resins, Bio-based composites, Bio-based thermosets, Compact tension, Different moisture contents, Mechanical response, Moisture influence, Moisture uptake, Regenerated cellulose, Fracture toughness
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Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-41016DOI: 10.1002/pc.22762Scopus ID: 2-s2.0-84900483971OAI: oai:DiVA.org:ri-41016DiVA, id: diva2:1376976
Available from: 2019-12-10 Created: 2019-12-10 Last updated: 2019-12-10Bibliographically approved

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