High-strength, Self-healable, Transparent Castor-Oil-Based Waterborne Polyurethane Barrier Coatings Enabled by Dynamic Acylhydrazone Co-monomer

Castor oil-based waterborne polyurethanes (CWPUs) are recognized as sustainable polymers sourced from renewable materials. However, these polymers often exhibit suboptimal mechanical properties and lack reprocessability due to their soft backbones...