New research provides valuable insights for the development of more efficient and robust corrosion inhibitors聽
Researchers from Khalifa University have explored the impact of regioisomerism on the performance of organic inhibitors against corrosion. Dr. Chandrabhan Verma and Prof. Akram Alfantazi collaborated with researchers from Nagaland University and University of Delhi, India, to examine how molecules with the same functional groups but different spatial arrangements can exhibit vastly different corrosion inhibition efficiencies.
Their review was published in, a top 1% journal.
Corrosion is an inevitable and costly problem, eating away at metals and structures worldwide, leading to economic losses and safety risks. Research has long sought ways to combat this relentless issue and one promising avenue lies in the nuanced world of organic chemistry, particularly through the concept of regioisomerism.
Regioisomerism refers to the different positions of functional groups within a molecule. These functional groups are the active parts of the molecule that engage in chemical reactions. Their position can significantly alter a molecule鈥檚 chemical behavior, affecting everything from stability to reactivity.
For corrosion inhibition, the arrangement of functional groups within organic inhibitors is crucial. These inhibitors work by forming a protective layer on the metal surface, preventing corrosive substances from causing damage. The effectiveness of this protective layer largely depends on how well the inhibitor molecules can adhere to the metal surface and form stable bonds.
The research team 星空传媒 that functional groups positioned differently within a molecule can either enhance or reduce the molecule鈥檚 ability to form stable complexes with metal surfaces. Certain configurations can also result in increased electron density at the active sites, improving the adsorption process and enhancing the inhibitor鈥檚 protective capabilities. These differences in positioning lead to significant variations in their corrosion inhibition performances, with the best performing isomers those where these groups are positioned to maximize electron donation and stability of the formed complexes.
鈥淯nderstanding the role of regioisomerism opens new possibilities for designing more effective corrosion inhibitors,鈥� Prof. Alfantazi says. 鈥淏y strategically positioning functional groups within the inhibitor molecules, we can enhance their stability and bonding capabilities, leading to improved protection in industries reliant on metal infrastructure, such as construction, automotive, and aerospace.鈥�
Understanding and leveraging the subtle differences in molecular arrangements could be the key to safeguarding our infrastructure and reducing the economic burden of corrosion. As research continues to delve into the intricacies of functional group positioning, the future holds promise for even greater advancements in corrosion protection technology.
Jade Sterling
Science Writer
9 Sep 2024
