1、A critical review of dynamic bonds containing curing agents for epoxy

Investigated the mechanical, thermomechanical, thermal, and recycling properties of the epoxy thermosets cured by developed curing agents. Addressed the challenges, opportunities and emerging trends in the field.

2、The epoxy resin system: function and role of curing agents

Curing agents are critical components of aqueous epoxy resin systems. Unfortunately, its uses and applications are restricted because of its low emulsifying yields. Epoxy resins are frequently used in electrical devices, castings, packaging, adhesive, corrosion resistance, and dip coating.

3、The epoxy resin system: function and role of curing agents

Epoxy resins are frequently used in electrical devices, castings, packaging, adhesive, corrosion resistance, and dip coating. In the presence of curing agents, epoxy resins become rigid...

4、Epoxy Resin Catalysts and Curing Agents

Comprehensive overview of epoxy resin types and curing agents, featuring detailed information about their applications, advantages, and customization options for industrial and commercial use.

Curing

In this work, the effects on the curing-dependent modulus and the internal stress development of the epoxy/crosslinker chemistry, curing temperature, relative humidity, filler conditions, and initial solvent concentration, are studied.

Effects of Curing Agents on the Adhesion of Epoxy Resin to

Although the adhesion of epoxy resins has been extensively studied using density functional theory (DFT) calculations, few studies have evaluated the effect of hardener molecules.

11 EPOXY RESINS AND CURING AGENTS

These versatile systems take advantage of the ability of epoxy resins to react with a variety of curing agents and cure at or somewhat below room temperature to provide strongly adhering, solvent and corrosion-resistant coatings.

A review of the curing rate and mechanical properties of

The effects of curing methods, curing agents, accelerators, functional fillers and composite curing processes on the curing rate and mechanical properties are also reviewed.

The epoxy resin system: function and role of curing agents

In the presence of curing agents, epoxy resins become rigid and infusible. Eco-friendliness and mechanical functionality have emerged as vulcanization properties.

Thermal curing of epoxy resins at lower temperature using 4

In this study, we present N -methyl- N -pyridyl amide derivatives as thermal latent curing agents for use at lower temperatures, along with their mechanism of epoxy curing through the generation of the highly reactive 4- (methylamino)pyridine (4MAPy) (Figure 1).

Introduction In modern industrial manufacturing, epoxy resin is highly favored for its exceptional adhesive properties, mechanical strength, and chemical resistance. As technology advances, the performance requirements for epoxy resin have become increasingly stringent. Optimizing its properties through the addition of appropriate curing agents and solvents has emerged as a critical area of study. This article explores the scientific principles, current applications, and future trends of epoxy resin modified with curing agents and solvents.

I. Mechanism of Epoxy Curing Agents

Epoxy curing agents are substances that promote the curing of epoxy resin. They react chemically with the hydroxyl groups in the resin to form a stable three-dimensional network structure, thereby enhancing its mechanical properties, temperature resistance, and corrosion resistance. Common curing agents include amines, anhydrides, and imidazoles. These compounds react with the hydroxyl groups in epoxy resin to create stable cross-linking bonds, enabling the resin to withstand significant stress without fracturing during curing.

II. The Role and Selection of Solvents

Solvents play a vital role in epoxy resin formulations. They dissolve the resin, rendering it liquid for easy mixing and application. Additionally, solvents reduce viscosity, improve flowability, and facilitate reactions between the resin and curing agents. Selecting the right solvent is crucial for optimizing resin performance. Common solvents include ketones, esters, and glycol ethers. For instance, methyl isobutyl ketone (MIBK) and methyl tert-butyl ether (MTBE) are widely used in high-solids epoxy systems due to their excellent solvency and volatility.

III. Innovations and Challenges in Curing Processes

As new materials technologies evolve, demands for epoxy resin performance continue to rise. Researchers are exploring advanced curing processes, such as adjusting curing temperatures, times, and environmental conditions to control curing speed and final properties. Emerging techniques like microwave curing and infrared curing have also gained attention. While these innovations enhance performance, they introduce challenges, including higher costs and more complex equipment requirements.

IV. Development of Eco-Friendly Epoxy Curing Agents

Growing environmental awareness has spurred interest in low-toxicity or non-toxic curing agents. Bio-based or renewable resource-derived curing agents are gradually being adopted. These eco-friendly alternatives reduce environmental pollution and offer cost advantages. their performance remains inferior to traditional curing agents, necessitating further research before widespread adoption.

The combination of curing agents and solvents is pivotal in epoxy resin preparation, directly impacting its performance and applications. Future research and development should focus on innovative, efficient, and eco-friendly curing agents and solvents to meet industrial demands. Parallel advancements in curing technologies will further unlock the potential of epoxy resin in aerospace, automotive, electronics, and other fields.

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