As written by Reginald Davey for AZoM in “Scientists Compare Sustainable Corrosion Prevention Alternatives,” researchers review sustainable alternatives for corrosion control and prevention, with a focus on coatings and encapsulation methods.

Corrosion is framed as an economic and safety issue, with estimates cited at around 3% of global GDP (2013) and roughly $500 billion annually in the U.S. The review notes that many anti-corrosion efforts concentrate on actions after corrosion occurs, then narrows to current advances in sustainable encapsulation and coating methods. Chemical inhibitors can slow corrosion but face limits such as inhibitor degradation and operating/maintenance costs, while some coating approaches can be constrained by coating efficiency. Sustainability-driven directions include biodegradable, non-toxic materials, with amino-acid-based options (including alanine and cysteine) described as showing adequate prevention efficiency, alongside challenges such as instability at higher temperatures. Encapsulation is presented as one way to address these limits, with approaches including hydrogels, nanoparticles, and organic or polymeric microspheres.

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Article with all rights reserved, courtesy of AZoM —- https://www.azom.com/