What question did this study set out to answer?

To develop an eco-friendly, isocyanate-free coating that effectively protects mild steel from corrosion.

February 6, 2026RSC Sustainability1 citationsOpen Access

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

RRRakesh RapoluIndian Institute of Chemical Technology KBKashmiri BorahIndian Institute of Chemical Technology PPP. Ermiya Prasad

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

Abstract

A sustainable, isocyanate-free coating from castor oil was developed, combining good thermal stability, corrosion protection, and mechanical durability, highlighting its potential as an eco-friendly alternative for metal surfaces.

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