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Thermomechanical properties of bio-based composites made from a lactic acid thermoset resin and flax and flax/basalt fibre reinforcements
University of Borås, Faculty of Textiles, Engineering and Business. (Polymerteknologi)
University of Borås, Faculty of Textiles, Engineering and Business. (Polymerteknologi)ORCID iD: 0000-0003-2325-7928
University of Borås, Faculty of Textiles, Engineering and Business. (Polymerteknologi)ORCID iD: 0000-0002-7377-0765
University of Borås, Faculty of Textiles, Engineering and Business. (Polymerteknologi)ORCID iD: 0000-0002-6596-8069
2016 (English)In: Composites. Part A, Applied science and manufacturing, ISSN 1359-835X, E-ISSN 1878-5840, Vol. 83, 176-184 p.Article in journal (Refereed) Published
Sustainable development
The content falls within the scope of Sustainable Development
Abstract [en]

Low viscosity thermoset bio-based resin was synthesised from lactic acid, allyl alcohol and pentaerythritol. The resin was impregnated into cellulosic fibre reinforcement from flax and basalt and then compression moulded at elevated temperature to produce thermoset composites. The mechanical properties of composites were characterised by flexural, tensile and Charpy impact testing whereas the thermal properties were analysed by dynamic mechanical thermal analysis (DMTA) and thermogravimetric analysis (TGA). The results showed a decrease in mechanical properties with increase in fibre load after 40 wt.% for the neat flax composite due to insufficient fibre wetting and an increase in mechanical properties with increase fibre load up to 60 wt.% for the flax/basalt composite. The results of the ageing test showed that the mechanical properties of the composites deteriorate with ageing; however, the flax/basalt composite had better mechanical properties after ageing than the flax composite before ageing.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 83, 176-184 p.
Keyword [en]
Thermosetting resin, fabrics, textiles, mechanical testing, compression moulding
National Category
Polymer Technologies Composite Science and Engineering
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-8610DOI: 10.1016/j.compositesa.2015.09.002ISI: 000372383800019Scopus ID: 84958856359OAI: oai:DiVA.org:hb-8610DiVA: diva2:894760
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Available from: 2016-01-15 Created: 2016-01-15 Last updated: 2017-01-05Bibliographically approved

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Publisher's full textScopushttp://dx.doi.org/10.1016/j.compositesa.2015.09.002

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Bakare, Fatimat O.Ramamoorthy, Sunil KumarÅkesson, DanSkrifvars, Mikael
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