Abstract
Corrosion is a hazardous phenomenon having a devastating impact on technological and industrial applications, particularly in the oil and gas industries. Therefore, controlling the corrosion of metals is an important activity of technical, economical, environmental, and aesthetical importance in order to save huge expenses in materials, equipment, and structure. The use of corrosion inhibitors is one of the best options for controlling the metallic corrosion in various corrosive media. Numerous problems aroused with the use of inorganic and small molecule organic corrosion inhibitors, and the use of polymeric corrosion inhibitors came into limelight. This review article provides an overview of the recent development of different classes of corrosion inhibitors with special emphasis on different functional motifs of natural, synthetically modified natural, and synthetic polymeric materials. The significance, mechanism, and challenges of using polymeric materials as corrosion inhibitors are also highlighted in the review.
Highlights
Corrosion is referred to as the deterioration of the materials by the chemical reactions between materials and their reactive ambiance [1]
Corrosion inhibition by polymeric materials is one of the most economically viable corrosion mitigation techniques because these materials can be exploited through batch and/or continuous treatments and can lower the chance of partial or complete shutdowns even if used at a meager concentration
Even though the research on polymeric corrosion inhibitors (CIs) bloomed a long ago, they were not successfully taken to onsite application since the performance of organic CIs thwarted the emergence of polymeric CIs
Summary
Corrosion is referred to as the deterioration of the materials by the chemical reactions between materials and their reactive ambiance [1]. Corrosion is considered a bounded electrochemical reduction-oxidation (redox) reaction taking place on the surface of materials, typically metals, prompting the release of electrons by the dissolution of metal and their successive transfer to another position on the surface causing the oxygenated water or hydrogen ions to be reduced and resulting in gradual deterioration and consequent failure of the host material This corrosion process consists of a cathode, an anode, and an electrolyte. Multifunctionality, solubility, flexible viscosity, and the increased number of attachment points render polymers superior to their organic and inorganic counterparts In this present investigation, we aim to review the uses of several classes of commonly used polymeric CIs in various corrosive environments
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