Green β-cyclodextrin-based corrosion inhibitors: Recent developments, innovations and future opportunities

Area of Science:

• Materials Science
• Electrochemistry
• Green Chemistry

Background:

• Beta-cyclodextrin (β-CD)-based compounds are recognized for their sustainability, cost-effectiveness, environmental friendliness, and high corrosion inhibition efficiency.
• Existing literature lacks a comprehensive review of β-CD-based corrosion inhibitors aligned with modern trends and innovations.
• Understanding the development and application of β-CD derivatives is crucial for advancing corrosion protection materials.

Purpose of the Study:

• To review and discuss the fundamental behavior, importance, developments, and innovations of β-CD-based compounds as corrosion inhibitors.
• To explore various β-CD modifications, including those with natural/synthetic polymers, organic compounds, supramolecular systems, graphene oxide, nanoparticles, and nanocarriers.
• To examine the application of β-CD compounds in mitigating biocorrosion, microbial corrosion, and biofouling.

Main Methods:

• Comprehensive literature review of recent research on β-CD-based corrosion inhibitors.
• Analysis of β-CD modifications and their effectiveness across different metal substrates.
• Discussion of β-CD's structural advantages as a molecular container and core for inhibitor development.

Main Results:

• β-CD-based compounds exhibit excellent sustainability, low cost, eco-friendliness, high water solubility, and superior inhibition efficiency.
• The molecular structure of β-CD is highly suitable for encapsulating corrosion-inhibiting molecules.
• β-CD serves as an effective core for designing advanced corrosion inhibitors.

Conclusions:

• β-CD-based compounds represent a promising platform for developing next-generation corrosion inhibitors.
• Future research should focus on synthesizing β-CD compounds using green chemistry principles and methods.
• This review provides a foundation for innovating sustainable and efficient materials for future corrosion protection in industrial applications.