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、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.

3、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.

4、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.

5、Performance of nanofillers in epoxy resin for corrosion protection

Abstract: The paper combines and reviews the experimental studies on performance of various potential nanofillers elements incorporated in the epoxy polymer resin that are used as protective coating for metal substrate.

Epoxy emulsion modified geopolymer coating for long

Corrosion of steel in reinforced concrete usually occurs in marine environment. In this study, the fly ash-slag-based geopolymer coating of steel were modified by the epoxy emulsion (EP) as toughening agent.

Performance of nanofillers in epoxy resin for corrosion protection

The paper combines and reviews the experimental studies on performance of various potential nanofillers elements incorporated in the epoxy polymer resin that are used as protective coating...

Enhancing corrosion resistance of epoxy resin coatings

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.

Overview of Recent Developments in Composite Epoxy Resin in Organic

To boost corrosion resistance in a marine environment, Chen et al. [94] developed a textured epoxy resin coating using surface texture preparation technology and reduced air bubble formation via vacuum treatment, thereby enhancing the corrosion protection of marine structural steel.

Anticorrosive coating from mussel

Herein, inspired by the typical feature of DOPA molecular in mussels (Fig. 1), we synthesized a novel hyperbranched epoxy resin that contains catechol groups similar to mussels to develop high-performance anticorrosive coatings.

In the rapid development of modern industry, metal materials are widely used in various fields due to their unique physical and chemical properties. metals often suffer from corrosion, wear, and other damages during use, which not only shortens their service life but may also lead to safety hazards or accidents. effective protection and repair of metal materials are particularly important. As a new type of anti-corrosion material, modified epoxy resin demonstrates significant potential in metal corrosion protection due to its excellent mechanical properties, chemical stability, and strong adhesive capabilities.

Modified epoxy resin is a thermosetting polymer material formed through a chemical reaction between epoxy resin and a curing agent. It possesses advantages such as good adhesion, high mechanical strength, electrical insulation, and strong resistance to chemical corrosion. In metal corrosion protection, modified epoxy resin can bond with the metal substrate physically or chemically, forming a protective film that effectively prevents corrosive media from contacting the metal substrate, thereby achieving anti-corrosion purposes.

The applications of modified epoxy resin in metal corrosion protection mainly include the following aspects:

1. Surface Treatment Technology: Physical or chemical methods are applied to the surface of modified epoxy resin to create a dense, uniform protective layer. For example, rust and oxide layers on the metal surface can be removed by sandblasting or grinding, followed by coating a layer of modified epoxy resin as the base layer. A high-performance anti-corrosion coating, such as polyurethane or fluorocarbon paint, is then applied. This surface treatment method significantly improves the corrosion resistance of metals.

2. Immersion Method: Metal parts are soaked in modified epoxy resin to allow the surface to fully absorb the resin, followed by drying and curing. This method is suitable for corrosion protection of complex-shaped or large-sized metal products, such as ships and bridges.

3. Winding Method: Modified epoxy resin fibers or filaments are wound around the metal surface and cured through heating to form a corrosion-resistant layer. This method is applicable for internal corrosion protection of pipelines, containers, and other equipment.

4. Spraying Method: Modified epoxy resin is sprayed onto the metal surface using high-pressure equipment to create a uniform anti-corrosion coating. This method is suitable for large-area metal surface treatment.

5. Dip Coating Method: The metal surface is immersed in a solution of modified epoxy resin and then dried and cured. This method is ideal for small-area metal surface protection.

In practical applications, the effectiveness of modified epoxy resin in metal corrosion protection depends on multiple factors, including the surface condition of the substrate, resin selection, and curing processes. To enhance anti-corrosion performance, the following measures can be adopted:

1. Select appropriate resin types and formulations to meet specific anti-corrosion requirements.
2. Optimize curing processes by controlling temperature, time, and pressure to ensure adhesion and toughness of the coating.
3. Pretreat the substrate to improve the bonding strength between the coating and the substrate.
4. Use multi-layer coatings or composite anti-corrosion methods to enhance overall performance.

modified epoxy resin, as an efficient metal anti-corrosion material, has broad application prospects and significant engineering value. By employing rational surface treatment technologies, immersion, winding, spraying, and dip coating methods, the corrosion resistance of metals can be effectively improved, extending their service life, reducing maintenance costs, and ensuring production safety. With technological advancements and increasing environmental requirements, modified epoxy resin anti-corrosion technology will continue to evolve and improve, contributing significantly to the sustainable development of industrial fields.