Interfacial adhesion and thermal stability of high-density polyethylene glass fiber composites

The fiber-matrix adhesion and the thermal stability of glass fiber reinforced high-density polyethylene composites with increasing content of maleic anhydride coupling agent and zinc-based thermal stabilizer have been analyzed by the single fiber pullout test and oxidation induction time. High-densi...

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Bibliographic Details
Published in:Composites science and technology 2022-08, Vol.227, p.109570, Article 109570
Main Authors: Pearson, Adam, Duncan, Mark, Hammami, Ahmed, Naguib, Hani E.
Format: Article
Language:English
Subjects:
Coupling agents
Fibre/matrix bond
Glass fibers
Polymer-matrix composites
Thermal properties
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Summary:The fiber-matrix adhesion and the thermal stability of glass fiber reinforced high-density polyethylene composites with increasing content of maleic anhydride coupling agent and zinc-based thermal stabilizer have been analyzed by the single fiber pullout test and oxidation induction time. High-density polyethylene compounds containing 8% by weight maleic anhydride grafted polyethylene increases the apparent interfacial shear strength to glass fibers by 3.5x; however, the strength was reduced by 45% with the addition of the thermal stabilizer. The thermal stabilizer was found to greatly improve the oxidative resistance. The oxidation induction time of the non-stabilized compounds is less than 1 min compared to over 25 min for the stabilized high-density polyethylene blends. [Display omitted]
ISSN:0266-3538
1879-1050
DOI:10.1016/j.compscitech.2022.109570