Journal
JOURNAL OF REINFORCED PLASTICS AND COMPOSITES
Volume 31, Issue 17, Pages 1136-1142Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0731684412453512
Keywords
Glass fibre reinforced plastics; composite; recycling; microwave pyrolysis
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Funding
- European Commission, EU Life+
- Knowledge Foundation, Sweden
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The possibility of recycling glass fibre-reinforced composites by using microwave pyrolysis was examined. A scrap blade from a wind turbine was fragmented and microwave-pyrolysed. The glass fibre recovered after pyrolysis represented 70% of the initial mass of glass fibre-reinforced composites. The tensile strength of the glass fibre recovered was measured after pyrolysis and compared to the tensile strength of untreated glass fibre. The test showed that the fibres lost about 25% of their tenacity. Non-woven fibre mats were prepared from the recovered fibres. Laminates were then prepared from the non-woven mats obtained, together with virgin glass fibre mats. Mechanical testing of the laminates showed that it is possible to prepare composites using 25 wt% of recycled fibres, with relatively good mechanical properties.
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