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Mechanical Properties of Bio-Based Sandwich Composites Containing Recycled Polymer Textiles
University of Borås, Faculty of Textiles, Engineering and Business. Swedish Centre for Resource Recovery, Faculty of Textiles, Engineering and Business, University of Borås, 510 90 Borås, Sweden. (Swedish Centre for Resource Recovery)ORCID iD: 0000-0001-8118-9316
University of Borås, Faculty of Textiles, Engineering and Business. Swedish Centre for Resource Recovery, Faculty of Textiles, Engineering and Business, University of Borås, 510 90 Borås, Sweden. (Swedish Centre for Resource Recovery)ORCID iD: 0000-0002-6596-8069
Advanced Polymers and Composites (APC), School of Mechanical Design and Engineering, University of Portsmouth, Portsmouth PO1 3DJ, UK.ORCID iD: 0000-0002-6439-3742
Brunel Composite Centre, Brunel University London, London UB8 3PH, UK.
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2023 (English)In: Polymers, E-ISSN 2073-4360, Vol. 15, no 18, p. 1-14, article id 3815Article 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]

In this paper, sandwich composites were produced by compression moulding techniques, and they consisted of regenerated cellulose fabric (rayon) and bio-based polypropylene (PP) to form facings, while virgin and recycled polyamide (PA) textiles were used as core materials. To compare the mechanical performance between sandwich composites and typical composite designs, a control composite was produced to deliver the same weight and fiber mass fraction from rayon and PP. To evaluate the influence of recycled textile on the mechanical properties of the composites, a series of flexural, low velocity impact (LVI) and tensile tests were performed. It was found that the incorporation of thicker PA textile enhanced the bending stiffness by two times and the peak flexural force by 70% as compared to those of control. Substitution of a layer of recycled textile for two layers of rayon provided a good level of impact energy absorption capacity (~28 J) and maximum force (~4893–5229 N). The tensile strength of the four sandwich composites was reported to be in the range of 34.20 MPa and 46.80 MPa. This value was 91.90 for the control composite. The 2D cross-section slices of the composite specimens did not show any evidence of fiber tow debonding, fiber bundle splitting, or delamination.

Place, publisher, year, edition, pages
2023. Vol. 15, no 18, p. 1-14, article id 3815
Keywords [en]
impact behaviour, mechanical properties, regenerated cellulose, sandwich composites
National Category
Polymer Technologies
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-30676DOI: 10.3390/polym15183815ISI: 001074042700001Scopus ID: 2-s2.0-85172883276OAI: oai:DiVA.org:hb-30676DiVA, id: diva2:1806542
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Vinnova, 202202576Available from: 2023-10-23 Created: 2023-10-23 Last updated: 2024-02-01Bibliographically approved

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Khalili, PooriaSkrifvars, Mikael

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