1、Ammonium Salts as Curing Agents to Obtain Ionic Epoxy Resins With a

Ionic epoxy networks are prepared using ammonium salts as hardeners, leading to a two-stage curing process with a thermoplastic-like intermediate. This uncommon behavior enables extrusion and fabrica...

2、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.

3、Novel Thermal Latent Curing Agents for Epoxy Resins Based on Dual

Herein, we present a dual-locked thermal latent curing agent based on aminopyridines, protected by amidation and N -oxidation, designed to enhance both pot life and final curing efficiency.

Curing agents for epoxy resins

In order to convert epoxy resins to hard, infusible thermoset networks it is necessary to use crosslinking agents. These crosslinkers , hardeners or curing agents as they are widely known, promote cross-linking or curing of epoxy resins.

Novel Thermal Latent Curing Agents for Epoxy Resins Based

Herein, we present a dual-locked thermal latent curing agent based on aminopyridines, protected by amidation and N-oxidation, designed to enhance both pot life and final curing efficiency.

Thermoplastic Epoxy Curing Agents

Thermoplastic epoxy curing agents are specifically designed to facilitate the curing of epoxy resins. These agents react with epoxy resins to form a three-dimensional network structure, endowing the material with excellent physical and chemical properties.

Curing reactions of epoxy powder coatings in perspectives of chemical

The properties of the cured products of epoxy powder coatings are dominated by the curing systems. This review discusses the types, reaction principles, characteristics of curing agents and accelerators that participate in the curing reaction with different epoxy resins.

A REVIEW ON DEVELOPMENTS IN CURING AGENTS FOR EPOXY RESINS

Recent advancements in epoxy curing agents for coatings focuses on improving sustainability, performance, and application ease. Developments include bio-based curing agents and those tailored for high-performance applications. The variety and the wide range of curing agents developed in the recent past for epoxy resins are overwhelming.

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).

Current situation and development trend of reactive epoxy resin curing

Epoxy resin is a thermoplastic polymer. When curing agent is added to the epoxy resin, a new curing product will be formed. Curing agent changes the properties of epoxy resin to obtain new curing products.

Thermoplastic Curing Agents for Epoxy Resins: Application and Prospects of an Innovative Material

In the rapid development of modern industry and technology, the research and application of new materials have become a key force driving social progress. As an important polymer material, epoxy resin is widely used in electronics, construction, automotive manufacturing, and other fields due to its excellent physical properties and chemical stability. traditional curing processes for epoxy resins often rely on high temperatures or specific chemicals, which not only limit their application range but also increase operational difficulty and costs. developing a new type of thermoplastic curing agent to achieve rapid and efficient curing of epoxy resins has become an important topic for researchers. This article explores the research background, current development, technical characteristics, and application prospects of thermoplastic curing agents for epoxy resins in various fields, with the aim of providing references for further advancements in this area.

Research Background and Significance

Epoxy resin is renowned for its superior mechanical strength, good electrical insulation, and broad adhesion properties. traditional curing methods, such as low-temperature baking or the use of chemical curing agents, are inefficient and environmentally polluting. With the growing awareness of environmental protection and the demand for green chemistry, developing an eco-friendly and highly efficient thermoplastic curing agent is of great significance for promoting the widespread application of epoxy resin materials.

Current Development Status

Research on thermoplastic curing agents for epoxy resins primarily focuses on improving curing speed, reducing curing temperatures, and enhancing post-curing material performance. By introducing new monomers, cross-linking agents, and catalysts, researchers have achieved rapid curing of epoxy resins. For example, using compounds containing reactive functional groups as curing agents significantly accelerates the curing process. Additionally, nanocomposite-based curing agents can maintain curing effectiveness while lowering temperatures and reducing energy consumption.

Technical Characteristics

The technical features of thermoplastic curing agents for epoxy resins are highlighted below:

1. Rapid Curing: Compared to traditional epoxy resins, thermoplastic curing agents enable quick curing at lower temperatures, substantially shortening construction cycles.
2. Energy and Environmental Efficiency: The curing process does not require high temperatures or harmful chemicals, making it highly eco-friendly.
3. Improved Mechanical Performance: By adjusting the type and dosage of curing agents, the performance of cured epoxy materials, including tensile strength, toughness, and hardness, can be effectively enhanced.
4. Cost Reduction: Using thermoplastic curing agents lowers production costs and reduces material waste caused by incomplete curing.

Application Fields

Due to their unique properties, thermoplastic curing agents for epoxy resins show broad application prospects in multiple domains:

1. Electronic Encapsulation Materials: In semiconductor manufacturing and LED encapsulation, these curing agents enable fast and uniform curing, improving the performance and reliability of electronic products.
2. Building Structural Materials: In construction, they can be used to manufacture high-performance adhesives and sealants, enhancing overall building performance.
3. Aerospace Materials: In the production of critical components such as aerospace engines and spacecraft, these curing agents help create high-strength, heat-resistant, and corrosion-resistant composites.
4. Automotive Manufacturing: For car bodies and chassis, they improve wear resistance, durability, and overall performance.

As an innovative material, thermoplastic curing agents for epoxy resins play a significant role in advancing epoxy resin technology and expanding its applications. In the future, with scientific progress and growing market demands, these curing agents are expected to be applied in more fields, providing robust support for green, efficient, and economical industrial production.