Abstract
The corrosion of metals poses a significant challenge across various industries. While numerous methods exist, corrosion inhibitors remain a cornerstone for mitigating metal degradation. Corrosion, a pervasive issue across industrial, environmental, and technological sectors, necessitates effective mitigation strategies for metals and alloys. While various approaches exist, corrosion inhibitors offer a reliable and environmentally friendly solution. Traditionally, researchers have explored organic, inorganic, and plant-derived compounds in their respective contexts. In recent years, the potential of liquid crystals as corrosion inhibitors has gained significant attention due to their promising performance. This review reveals the application of liquid crystals and plant polymers as corrosion inhibitors, particularly for mild steel in acidic environments. The study encompasses inhibitory mechanisms evaluated through weight loss, electrochemical techniques (PDP, EIS), and contact angle measurements in conjunction with quantum calculations (DFT) for a comprehensive understanding. The influence of molecular structure, containing the Pi-electron cloud and, N, S, and O hetero atoms, on inhibition efficiency was explored. By highlighting the potential of these compounds as effective corrosion inhibitors, this review aims to stimulate further research in this promising area.
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