Beyond the polyol: valorization of the derivatized isocyanate fraction after chemical recycling of polyurethane

Key Points

• To explore the outcomes of the isocyanate-derived fraction from the chemical recycling of polyurethane.
• Literature review on the chemical recycling processes of polyurethane
• Analysis of current methods for valorizing isocyanate fractions
• Comparison of isocyanate and polyol recovery processes
• Identified key opportunities for valorizing isocyanate fractions
• Discussed the potential uses of isocyanate derivatives in various applications
• Provided insights on the advantages of focusing on isocyanates over polyols in recycling efforts