| Title | A Sustainable Approach to the Low-Cost Recycling of Waste Glass Fibres Composites towards Circular Economy |
|---|---|
| ID_Doc | 28500 |
| Authors | Zabihi, O; Ahmadi, M; Liu, C; Mahmoodi, R; Li, QX; Ferdowsi, MRG; Naebe, M |
| Title | A Sustainable Approach to the Low-Cost Recycling of Waste Glass Fibres Composites towards Circular Economy |
| Year | 2020 |
| Published | Sustainability, 12.0, 2 |
| Abstract | For practical applications, both environmental and economic aspects are highly required to consider in the development of recycling of fibre reinforced polymers (FRPs) encountering their end-of-life. Here, a sustainable, low cost, and efficient approach for the recycling of the glass fibre (GF) from GF reinforced epoxy polymer (GFRP) waste is introduced, based on a microwave-assisted chemical oxidation method. It was found that in a one-step process using microwave irradiation, a mixture of hydrogen peroxide (H2O2) as a green oxidiser and tartaric acid (TA) as a natural organic acid could be used to decompose the epoxy matrix of a waste GFRP up to 90% yield. The recycled GFs with 92.7% tensile strength, 99.0% Young's modulus, and 96.2% strain-to-failure retentions were obtained when compared to virgin GFs (VGFs). This short microwave irradiation time using these green and sustainable recycling solvents makes this a significantly low energy consumption approach for the recycling of end-of-life GFRPs. |
| https://www.mdpi.com/2071-1050/12/2/641/pdf?version=1579695074 |
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