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Methacrylated lignosulfonate as compatibilizer for flax fiber reinforced biocomposites with soybean-derived polyester matrix
Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 58, 100 44, Stockholm, Sweden.
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0003-2325-7928
University of Borås, Faculty of Textiles, Engineering and Business.ORCID iD: 0000-0002-6596-8069
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2020 (English)In: Composites Communications, ISSN 2452-2139Article in journal (Refereed) Published
Sustainable development
According to the author(s), the content of this publication falls within the area of sustainable development.
Abstract [en]

The poor adhesion between natural fibers and polymer matrix restricts the mechanical performance of natural fiber reinforced composites. Here, lignosulfonate was methacrylated and evaluated as a potential compatibilizer for flax fiber reinforced soybean-derived polyester thermosets. Significant improvement in both tensile and flexural properties of the fiber composites were achieved when the flax fiber mat was treated with methacrylated lignosulfonate solution. In particular, the flexural modulus and flexural strength more than doubled from 2.6 to 6.7 GPa and from 36 MPa to 76.8 MPa, respectively when the fibers were soaked in 5 wt % MLS solution. The SEM analysis revealed improved fiber-matrix interface and lower extent of fiber pull-out in the methacrylated lignosulfonate treated fiber composites, which correlates with the improved mechanical properties.

Place, publisher, year, edition, pages
2020.
Keywords [en]
Natural fiber reinforced composite, Lignosulfonate, Biocomposite
National Category
Polymer Technologies Textile, Rubber and Polymeric Materials Composite Science and Engineering
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-24374DOI: 10.1016/j.coco.2020.100536ISI: 000604641000002Scopus ID: 2-s2.0-85093926283OAI: oai:DiVA.org:hb-24374DiVA, id: diva2:1507971
Available from: 2020-12-09 Created: 2020-12-09 Last updated: 2021-10-21Bibliographically approved

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Adekunle, KayodeKumar Ramamoorthy, SunilSkrifvars, Mikael

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Adekunle, KayodeKumar Ramamoorthy, SunilSkrifvars, Mikael
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Faculty of Textiles, Engineering and Business
Polymer TechnologiesTextile, Rubber and Polymeric MaterialsComposite Science and Engineering

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