Enhanced Depolymerization of Poly(Bisphenol A Carbonate) via Robust Mesoporous CaCO₃/CaTiO₃ Nanocomposites Featuring Synergistic Acid–Base Sites and Oxygen Vacancies

Key Points

• The study aims to improve the depolymerization of poly(bisphenol A carbonate) to address environmental concerns.
• Developed mesoporous CaCO₃/CaTiO₃ nanocomposites with synergistic acid-base sites.
• Conducted chemical recycling experiments using alcoholysis techniques.
• Assessed the effectiveness of nanocomposites in reducing BPA-PC resistance.
• Significant enhancement in depolymerization rates of BPA-PC using the nanocomposite.
• Reduced release of hazardous bisphenol A during the depolymerization process.
• Demonstrated potential for more effective chemical recycling strategies.