Development of tin oxide catalysts promoting the ring-closing depolymerization of poly(ε-caprolactone) under mild conditions

Key Points

• The aim is to develop effective tin oxide catalysts for the depolymerization of poly(ε-caprolactone) into ε-caprolactone.
• Developed a tailored SnO heterogeneous catalyst.
• Conducted depolymerization reactions under mild conditions.
• Measured yield of ε-caprolactone produced.
• Achieved yield of ε-caprolactone up to 94%.
• Demonstrated effectiveness of tin oxide catalysts in mild environments.