Recycling and Upcycling of Polyurethane Thermosets: The Second Life of Polymers
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Abstract
Polyurethanes (PU) have been widely utilized in various advanced sectors, from insulation, elastomers, adhesives, and coatings to civil engineering materials. However, within the framework of the circular economy and in light of the urgent need to reduce the environmental impact of plastics, technologies have been designed, assessed, and exploited for the recycling and upcycling of discarded PU thermosets, which are chemically crosslinked and difficult to reprocess. This review comprehensively examines the current state of PU thermosets, discusses various recycling technologies, and highlights emerging upcycling strategies that promise to transform low-value waste into high-performance products. By also…
Citation impact
4
total citations
- FWCI
- 27.96
- Percentile
- 99%
- References
- 267
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Authors
6Topics & keywords
Topics
Keywords
- Polyurethane
- Circular economy
- Smart material
- Polymer
- Smart polymer
- Sustainable design
- Emerging technologies
UN Sustainable Development Goals
- Responsible consumption and production
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