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Thermo-oxidative aging of high-density polyethylene reinforced with multiwalled carbon nanotubes
University of Boras, Sweden.
University of Boras, Sweden.
RISE Research Institutes of Sweden, Materials and Production, Polymeric Materials and Composites.
University of Boras, Sweden.
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2021 (English)In: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 138, no 26, article id 50609Article in journal (Refereed) Published
Abstract [en]

The purpose of this study was to investigate the influence of aging on the properties of high-density polyethylene (HDPE) reinforced with multi-wall carbon nanotubes (MWCNTs). Nanocomposites were prepared with nanotubes at 0, 1, 3, and 5 wt%. The long-term durability of the prepared materials was evaluated by thermo-oxidative aging test. Test bodies were aged at 110°C for up to 10 weeks. The nanocomposites were characterized by differential scanning calometry, thermogravimetric analysis (TGA), 13C-NMR, elongation at break, and transmission electron microscopy. The aging mainly occurred on the surface of the samples and the neat HDPE showed a strong yellowing after the aging. A strong reduction in elongation at break was seen. For neat HDPE, the elongation at break was reduced from roughly 1400–25%. When HDPE was reinforced with the nanotubes, the reduction was less dramatic. © 2021 The Authors. 

Place, publisher, year, edition, pages
John Wiley and Sons Inc , 2021. Vol. 138, no 26, article id 50609
Keywords [en]
aging, fullerenes, graphene, nanostructured polymers, nanotubes, Aliphatic compounds, Durability, Elongation, High density polyethylenes, High resolution transmission electron microscopy, Nanocomposites, Reinforced plastics, Reinforcement, Scanning electron microscopy, Testing, Thermogravimetric analysis, 13C NMR, Calometry, Elongation at break, High density polyethylene(HDPE), Long term durability, Thermo-oxidative aging, Multiwalled carbon nanotubes (MWCN)
National Category
Polymer Chemistry
Identifiers
URN: urn:nbn:se:ri:diva-52851DOI: 10.1002/app.50609Scopus ID: 2-s2.0-85101454810OAI: oai:DiVA.org:ri-52851DiVA, id: diva2:1546927
Available from: 2021-04-23 Created: 2021-04-23 Last updated: 2021-04-23Bibliographically approved

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