Pentamethyl Diethylenetriamine (PC-5) in Sustainable Corrosion-Resistant Coatings Introduction Corrosion remains a significant global challenge, impacting infrastructure, transportation, and various industrial sectors. The economic and environmental costs associated with corrosion are substantial, driving the need for innovative and sustainable corrosion-resistant coatings. Pentamethyl Diethylenetriamine (PC-5), a tertiary amine, has emerged as a promising candidate in the development...