1、The effect of a curing agent on the thermal degradation of fire

Amine-containing curing agent destabilizes brominated epoxy resin by a mechanism of the nucleophilic substitution of bromine. As a result, brominated epoxy resin produces gases and oil at the temperature of about 100 °C lower than non-brominated epoxy resin does.

2、环氧树脂固化剂的常见类型及其固化机理

潜伏固化剂可与环氧树脂混合制成液态化合物，简化环氧树脂产品的应用，其应用范围从单一的包装胶粘剂向涂料、浸渍漆、灌封料、粉末涂料等多方面发展。

3、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.

4、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.

5、Comparing and Contrasting Epoxy Resin Curing Agents A Comprehensive Guide

In this blog post, we will compare and contrast different types of epoxy curing agents, including epoxy resin hardeners, modified cycloaliphatic amine epoxy hardeners, high functional curing agents, and high-performance hardeners.

Bio

Improving the toughness of epoxy resin (EP) while maintaining its strength is still considered a huge challenge. Herein, a novel bio-based curing agent, PA–DAD, has successfully been developed for EP that provides both mechanical reinforcement and flame retardancy.

Current situation and development trend of reactive epoxy resin curing

Curing agent changes the properties of epoxy resin to obtain new curing products. With the development of industrial technology in China, there are many kinds of epoxy resin curing products, including polyamine curing agent, acid anhydride curing agent, polymercaptan curing agent and so on.

(PDF) The curing kinetics of brominated epoxy resins

It was found that the peak temperature decreases with increasing amounts of curing agent and accelerator, but increases with an increasing amount of bromine in the resin. The heat of reaction and the activation energy also increase with increasing amount of bromine.

Effect of the Structure of Epoxy Monomers and Curing Agents: Toward

Herein, a liquid crystalline epoxy (LCE) monomer with a biphenyl mesogenic unit was first synthesized through an efficient one-step reaction.

211005_WP_Epoxy Curing Agents _en_Freigabe.indd

The curing agents used are typically nucleophiles, such as mainly bi- or polyfunc-tional amines, but also thiols or acid anhydrides, which crosslink with the epoxy resin to form highly branched thermo-set plastics in a polyaddition reaction.

In modern materials science, brominated epoxy resin curing agents have garnered significant attention due to their unique properties and widespread applications. These compounds play a critical role not only in industrial production but also hold irreplaceable positions in fields such as healthcare, construction, and aerospace. This article provides an in-depth exploration of various aspects of brominated epoxy resin curing agents, including their chemical composition, physical properties, application ranges, and future development trends.

Chemical Composition Brominated epoxy resin curing agents are high-molecular-weight polymers primarily formed through the reaction of epoxy resins with bromide compounds (e.g., hydrogen bromide). This reaction involves a complex multi-step process, during which the epoxide groups in the epoxy resin undergo substitution reactions with bromine atoms, forming new chemical bonds. This results in a more stable and rigid polymer structure.

From a chemical perspective, brominated epoxy resin curing agents consist of the following key components:

1. Epoxy Resin: A high-molecular-weight polymer with strong chemical stability, commonly used in coatings, adhesives, and composites.
2. Bromide Compounds: Derivatives of bromine with high electronegativity and nucleophilicity, which facilitate the reaction with epoxy resins.
3. Catalysts: Essential for accelerating reaction rates and improving the purity of the final product.

Physical Properties Brominated epoxy resin curing agents exhibit the following characteristics:

1. High Hardness: Due to their stable molecular structure, these agents possess exceptional hardness and wear resistance, making them suitable for manufacturing abrasion-resistant materials.
2. Thermal Stability: They maintain performance integrity at elevated temperatures, ideal for high-temperature applications.
3. Chemical Resistance: Their robust chemical stability enables resistance against corrosion by various chemicals.
4. Processing Flexibility: These agents can be processed via methods such as spraying or casting, facilitating scalable production and application.

Application Ranges Brominated epoxy resin curing agents are widely used in diverse fields:

1. Construction Materials: Employed in the fabrication of high-strength concrete, bricks, flooring, and other building materials.
2. Electronics: Utilized in the production of circuit boards, electronic components, and other devices.
3. Automotive Manufacturing: Applied in engine parts, body structures, and other automotive components.
4. Aerospace: Used to create high-performance materials for aircraft and spacecraft.

Future Development Trends The evolution of brominated epoxy resin curing agents is expected to advance in the following directions:

1. Eco-Friendly Products: Increasing environmental awareness will drive the development of greener formulations with reduced environmental impact.
2. High-Performance Materials: Enhanced properties, such as greater strength and reduced weight, will broaden their applicability.
3. Multifunctional Integration: Future iterations may incorporate smart elements like sensors or actuators, merging multiple functionalities into a single material.
4. Smart Manufacturing: Advances in intelligent manufacturing technologies will enable automated and digitally controlled production processes.

as a vital advanced material, brominated epoxy resin curing agents hold immense potential for future growth. Through continuous technological innovation, these agents are poised to play an even greater role across industries, contributing significantly to human progress.