1、Recent advances in epoxy coatings for corrosion protection of steel

To overcome this shortcoming, epoxy coatings are modified with nanomaterials. Nanomaterials based epoxy coatings have good adhesion to metals, high corrosion resistance, elastic stability, and high durability in corrosive environment.

2、Enhancing corrosion resistance of epoxy resin coatings through dual

This approach yielded PGO characterized by outstanding dispersibility and barrier properties in epoxy resin (EP) coaings for Q235 steel. The corrosion resistance of EP coatings containing varying amounts of PGO was assessed using electrochemical workstation and salt spray testing.

3、Overview of Recent Developments in Composite Epoxy Resin in

This review focuses on recent advancements in composite epoxy resin coatings for steel from 2020 to 2024, emphasizing improvements in anti-corrosion performance through various additive modifications.

Epoxy coatings for anticorrosion applications: a review

This review summarizes the latest advancements in the field, categorizing current developments into three primary approaches: modification of the epoxy resin structure, incorporation of...

Enhanced corrosion resistance of epoxy resin coating via addition of

In order to enhance the corrosion resistance of the epoxy resin coating, CeO 2 and CeO 2 –BTA were mixed into the epoxy resin to prepare a composite epoxy resin coating on the surface of Q235 carbon steel, and the electrochemical behavior of the coating was systematically investigated.

Silicone Modified Epoxy Resins with Enhanced Chemical Resistance

Investigation of silicone modification of two different epoxy resins: DGEBA Bisphenol-A type, (aromatic structure) Hydrogenated Diphenylpropane (aliphatic structure)

A review of high

A literature review indicates that various epoxy resins (ERs) and epoxy phenolic resins (EPRs) based coatings are available and are effectively applied on steel and aluminum surfaces for protection against a corrosive environment.

Synthesis and Characterization of Eco‐Friendly Epoxy Resins and Novel

The objective of this study was to develop eco-friendly epoxy coatings for mild steel corrosion protection using bio-based resorcinol (RESO) and isosorbide (ISO), as well as the development of novel Zn-Al layered double hydroxide (LDH) and Ce-bentonite fillers.

Enhancing corrosion and abrasion resistances simultaneously of epoxy

Amino-polysiloxane/epoxy resin coatings can be cured at low temperature. Hyperbranched resin coatings display better comprehensive performances than the linear resin coating. Fluorine-containing resin coating shows the better corrosion resistance.

Insights into the Development of Corrosion Protection Coatings

Light has been shed on the epoxy resin composite systems that are produced by blending with functional polymers like conductive polymers, hydrophobic polymers, etc., and nanofillers.

In modern industry and urban construction, the performance of materials determines their scope and longevity of application. Epoxy resin, owing to its excellent mechanical properties, electrical insulation, and chemical stability, is widely used in various fields, particularly in corrosion protection. traditional epoxy resins often exhibit limitations under extreme conditions, such as high temperatures, pressures, and exposure to strong acids or bases. improving the corrosion resistance and temperature tolerance of epoxy resins through modification techniques has become an urgent problem to address. This article explores the fundamental principles, application fields, and development trends of epoxy resin modification technologies for corrosion protection.

I. Modification Principles

1. Chemical Modification

• Introduction of Functional Groups: By incorporating specific functional groups (e.g., siloxane, amino, or carboxyl groups) into epoxy resins, new physical or chemical properties can be imparted, such as enhanced chemical corrosion resistance, improved adhesion, or higher mechanical strength.
• Copolymerization Modification: Copolymerizing epoxy resins with other polymeric materials can significantly improve their mechanical properties, heat resistance, and chemical resistance while maintaining excellent processing capabilities.

2. Physical Modification

• Nanofiller Modification: Filling epoxy resins with nanoparticles (e.g., carbon nanotubes, graphene) can substantially enhance their mechanical properties, thermal stability, and wear resistance.
• Surface Treatment: Techniques such as surface coating or heat treatment can improve surface characteristics of epoxy resins, including reduced friction coefficients, enhanced scratch resistance, and improved ultraviolet (UV) resistance.

II. Application Fields

1. Construction Industry

• Anti-Corrosion Coatings: Epoxy resin-modified anti-corrosion coatings are widely used in exterior walls, steel structures, bridges, and other areas to protect against corrosive environments like salt spray and acid rain.
• Structural Adhesives: Applied in the reinforcement, repair, and sealing of building structures, these adhesives offer exceptional bonding strength and durability, effectively preventing environmental damage to buildings.

2. Automotive Manufacturing

• High-Performance Composites: In automotive production, epoxy resin modification technologies are employed in critical components such as engine parts, transmission systems, and braking systems to enhance corrosion and heat resistance, prolonging vehicle lifespan.
• Electronic and Electrical Components: As encapsulation materials for electronic and electrical components, these technologies provide superior electrical insulation and moisture resistance, ensuring stable operation of devices.

3. Petrochemical Industry

• Pipeline Corrosion Protection: In oil and gas transportation systems, epoxy resin-modified technologies are extensively used to protect pipelines, storage tanks, and other facilities from corrosive media.
• Equipment Protection: Applied to chemical equipment (e.g., reactors, heat exchangers), these technologies improve corrosion resistance, extend equipment lifespan, and reduce maintenance costs.

III. Development Trends

As technology advances and environmental standards rise, epoxy resin modification technologies for corrosion protection continue to evolve. Future innovations are expected to address increasingly complex environmental challenges.

1. Environmental Sustainability

• Develop low-VOC (volatile organic compound) modified products to minimize environmental and health impacts.
• Utilize bio-based or renewable resources as modifiers to promote sustainable development.

2. Intelligence and Automation

• Research intelligent coating equipment and online monitoring technologies to achieve precise control and real-time surveillance of corrosion protection processes.
• Leverage big data analytics and artificial intelligence to optimize formulations and process parameters, enhancing production efficiency and product quality.

3. Multifunctional Integration

• Develop composite materials that combine corrosion protection, wear resistance, and conductivity to meet diversified application needs.
• Explore synergistic effects of different modification methods to achieve collaborative enhancement of multiple properties.

As a critical field in materials science, epoxy resin modification for corrosion protection not only improves material performance but also drives industrial chain upgrades and transformations. Through continuous technological innovation and industrial advancements, epoxy resin modification technologies are poised to play a larger role in future development, contributing significantly to human progress.