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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Rodriguez, Eduardo Saez
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2018Towards a new generation of glass fiber products based on regenerated fiber thermally recycled from end-of-life GRP and GRP manufacturing waste
- 2016Regenerating the strength of thermally recycled glass fibres using hot sodium hydroxidecitations
- 2016A cost-effective chemical approach to retaining and regenerating the strength of thermally recycled glass fibre
- 2015Investigation of the strength of thermally conditioned basalt and e-glass fibres
- 2015Can thermally degraded glass fibre be regenerated for closed-loop recycling of thermosetting composites?citations
- 2013Investigation of strength recovery of recycled heat treated glass fibres through chemical treatments
- 2013Regeneration of the performance of glass fibre recycled from End-of-life composites or glass fibre waste
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document
Investigation of strength recovery of recycled heat treated glass fibres through chemical treatments
Abstract
The strength loss of thermally treated glass fibre (GF) at elevated temperature is well reported in literature. This phenomenon even occurs at short period of time such as 25 minutes. In the recycling technologies for composites, GFs are usually recovered by degradation of polymeric matrix with thermal and/or chemical treatments. Therefore thermal effect on the strength of GF is a significant factor when restricting the possibilities of recycling this material for a second life.<br/>This study reports on the strength of thermally treated commercial GF after acid treatment and silanization of the fibre surface to achieve a proper combination of treatments which may provide us with the ability to recover the mechanical properties of the heat treated GFs. It is thought that silane coupling agents can directly increase and recover the strength of GFs. Two factors associated with this recovery are the possibility of the sizing repairing the damage on the surface of the heat treated GFs and the reduction of the fibre-fibre friction in the bundle through lubricating effect.<br/>GF samples were heat treated at 4500C for 25 minutes and coated with silanes, applying different combinations of hydrochloric acid (HCl) and the two silanes used in this study, γ-Aminopropyltrimethoxy Silane (APS) and γ- Methacryloxypropyltrimethoxy Silane (MPS); these fibres were characterized by single fibre testing for strength. The results obtained demonstrated that the fibre strength improves slightly after combination of HCl and MPS treatment, and has a negative effect when the combination of HCl and APS was used. The surface deposition of silane on the surface of the fibre is also discussed using a Scanning Electron Microscope (SEM).