Time- and temperature-dependent mechanical and rheological behaviours of injection moulded biodegradable organoclay nanocomposites

Bata, Attila; Gerse, Péter; Slezák, Emese; Ronkay, Ferenc

doi:10.1016/j.aiepr.2023.11.003

Advanced Industrial and Engineering Polymer Research

2023

DOI: 10.1016/j.aiepr.2023.11.003

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Time- and temperature-dependent mechanical and rheological behaviours of injection moulded biodegradable organoclay nanocomposites

Attila Bata,

Péter Gerse,

Emese Slezák

et al.

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2024

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Mechanical Properties of Clay-Reinforced Polyamide 6 Nanocomposite Liner Materials of Type IV Hydrogen Storage Vessels

Kis,

Bata,

Takács

et al. 2024

Nanomaterials

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This study focuses on polyamide 6/organo-modified montmorillonite (PA6/OMMT) nanocomposites as potential liner materials, given the growing interest in enhancing the performance of type IV composite overwrapped hydrogen storage pressure vessels. The mechanical properties of PA6/OMMT composites with varying filler concentrations were investigated across a temperature range relevant to hydrogen storage conditions (−40 °C to +85 °C). Liner collapse, a critical issue caused by rapid gas discharge, was analyzed using an Ishikawa diagram to identify external and internal factors. Mechanical testing revealed that higher OMMT content generally increased stiffness, especially at elevated temperatures. The Young’s modulus and first yield strength exhibited non-linear temperature dependencies, with 1 wt. per cent OMMT content enhancing yield strength at all tested temperatures. Dynamic mechanical analysis (DMA) indicated that OMMT improves the storage modulus, suggesting effective filler dispersion, but it also reduces the toughness and heat resistance, as evidenced by lower glass transition temperatures. This study underscores the importance of optimizing OMMT content to balance mechanical performance and thermal stability for the practical application of PA6/OMMT nanocomposites in hydrogen storage pressure vessels.

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Mechanical Properties of Clay-Reinforced Polyamide 6 Nanocomposite Liner Materials of Type IV Hydrogen Storage Vessels

Kis,

Bata,

Takács

et al. 2024

Nanomaterials

View full text Add to dashboard Cite

show abstract

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Time- and temperature-dependent mechanical and rheological behaviours of injection moulded biodegradable organoclay nanocomposites

Cited by 1 publication

References 56 publications

Mechanical Properties of Clay-Reinforced Polyamide 6 Nanocomposite Liner Materials of Type IV Hydrogen Storage Vessels

Mechanical Properties of Clay-Reinforced Polyamide 6 Nanocomposite Liner Materials of Type IV Hydrogen Storage Vessels

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