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A sustainable approach toward mechanical recycling unsortable p 2024 Waste M

I. Belyamani, S. Bourdon

2026enWEEEplastic recyclingcompatibilizationcopolymersmechanical propertiessustainability

Abstract

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While near-infrared (NIR) spectroscopy in post-consumer waste electrical and electronic equipment (WEEE) recycling accurately separates white or clear polymers, 40% containing dark plastics, termed ’unsortable WEEE,’ are excluded from sorting lines and therefore incinerated or landfilled, causing environmental concerns. This study investigates the potential of using non-reactive and reactive copolymers as compatibilizers to enhance the performance of unsortable WEEE plastics free of brominated flame retardants. To the best of our knowledge, this is the first time that such copolymers have been explored as a solution for improving the compatibility of unsortable WEEE polymer blends. Initial trials with 4% of styrene-ethylene-butylene-styrene copolymer (SEBS-13) and SEBS-30-g-(maleic anhydride) copolymer (SEBS-30-g-MA MA) as compatibilizers showed insufficient results compared to virgin commercial polymers. However, the addition of higher concentrations of compatibilizers (i.e. up to 20 wt%) and the use of a SEBS having a higher styrene content (i.e. SEBS-30) improved the mechanical properties of the material, causing it to transition from brittle to ductile. This behavior was found more pronounced for the 20% non-reactive SEBS-30, for which the SEM analysis showed reduced phase segregation and revealed a more homogeneous fracture surface.

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Cite This Work

@article{da4ac9c5-71dc-4c35-8ff4-cb9561636528,
  title={A sustainable approach toward mechanical recycling unsortable p 2024 Waste M},
  author={I. Belyamani and S. Bourdon},
  year={2026},
  language={en}
}
TY  - JOUR
TI  - A sustainable approach toward mechanical recycling unsortable p 2024 Waste M
AU  - I. Belyamani
AU  - S. Bourdon
PY  - 2026
LA  - en
ER  -

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