Grafted Natural Gums Used as Sustainable Corrosion Inhibitors

Corrosion of metallic materials is an unpreventable, nevertheless controllable process. One of the applied methods for corrosion control is the use of inhibitors, which are composed mainly of inorganic/organic compounds. Nonetheless, the toxicity of traditionally used inhibitors to humans and environment has motivated me to find alternative and safer inhibitors. In this regard, the use of different natural gums (e.g., gum Arabic, Guar gum, etc.) as eco-friendly inhibitors against metallic corrosion has received tremendous attention. Recently, the modifications of these natural biopolymers are reported to be beneficial in terms of their sustainability, as well as their good inhibitive effect. Such modifications aim to introduce additional active sites (e.g., heteroatoms) on the backbone of the gums.

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