Polyurethane Recycling: Sustainable Development Perspectives and Innovative Approaches
Konrad Polecki, Joanna Paciorek-Sadowska, Marcin Borowicz, Marek Isbrandt, Iwona Zarzyka
TL;DR
This paper reviews polyurethane recycling methods, highlighting chemical and biological approaches that could improve sustainability and reduce environmental impact.
Contribution
The paper provides a comprehensive review of recent advances and challenges in polyurethane recycling technologies.
Findings
Chemical recycling methods like glycolysis enable recovery of polyols for new polyurethane systems.
Biological routes offer potential for selective cleavage of polyurethane linkages at low temperatures.
Mechanical recycling is feasible but reduces material performance, while hybrid strategies show promise for sustainability.
Abstract
What are the main findings? Recent advances in catalytic depolymerization, bio-based polyols and NIPU chemistry support transition to circular life cycles.Hybrid strategies show promise for improving material recovery and reducing environmental impact. Recent advances in catalytic depolymerization, bio-based polyols and NIPU chemistry support transition to circular life cycles. Hybrid strategies show promise for improving material recovery and reducing environmental impact. What are the implications of the main findings? Mechanical recycling remains feasible but reduces mechanical and insulation performance.Chemical recycling enables recovery of polyols suitable for new polyurethane systems.Biological routes show potential for selective cleavage of urethane and ester linkages. Mechanical recycling remains feasible but reduces mechanical and insulation performance. Chemical…
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Taxonomy
TopicsPolymer composites and self-healing · Carbon dioxide utilization in catalysis · Chemistry and Chemical Engineering