Bioinspired super-tough polyurethane elastomers with block modules using sacrificial bonds

Key Points

• The central aim is to create a polyurethane elastomer with superior mechanical properties inspired by nature.
• Developed a polyurethane elastomer incorporating hydrogen bonds and metal coordination bonds.
• Evaluated mechanical properties including tensile stress and stretchability.
• The elastomer displayed high tensile stress and remarkable stretchability.
• Exhibited exceptional toughness compared to traditional materials.