Sustainable bio-based isocyanate-free poly (urethane amic acid) coatings for the corrosion protection of mild steel

Key Points

• To develop an eco-friendly, isocyanate-free coating that effectively protects mild steel from corrosion.
• Developed a coating using castor oil as the base material
• Assessed thermal stability and mechanical durability
• Evaluated corrosion protection performance against mild steel
• Demonstrated good thermal stability for the coating
• Showed effective corrosion protection for mild steel
• Highlighted mechanical durability suitable for metal surfaces