1、Eco

To overcome this dilemma, the liquid amine curing agent AEESN was synthesized from bio-based eugenol and cysteamine, and then furnished the polymerization with three epoxy monomers, viz. DGEBA, TGAP, and TGDDM, respectively.

2、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.

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

Conceptual comparison between: A) the conventional epoxy network formed by curing a diepoxide with a primary diamine, and B) the proposed use of ammonium salts as curing agents for epoxy resins. Thus, in this work we explore the use of ammonium salts as curing agents for epoxy resins (Figure 1B).

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.

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。

High

In this study, the thermomechanical properties of a multicomponent epoxy system are predicted via molecular dynamics (MD) simulation as a function of the degree of cure to provide critical...

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.

Influence of different composite curing agents on the rapid curing

In particular, effective formulations are designed for mixing fast and slow curing agents, studying their effects on the curing behavior, curing quality, and mechanical properties of epoxy resins and elucidating their influence mechanisms.

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.

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.

Epoxy resin curing agents play a critical role in modern industry and scientific research. This material is widely favored due to its excellent mechanical properties, chemical stability, and superior adhesive strength. This article delves into various aspects of multi-epoxy resin curing agents, including their definition, classification, application range, preparation methods, and future development trends.

I. Definition and Classification of Multi-Epoxy Resin Curing Agents

1. Definition

Multi-epoxy resin curing agents are substances used to promote the bonding of epoxy resins with other resins or substrate materials such as metals and ceramics. They typically contain multiple chemical components that provide necessary reactivity to accelerate the curing process and enhance the performance of the final product.

2. Classification

• By Chemical Composition: Based on their chemical components, multi-epoxy resin curing agents can be classified into aliphatic, aromatic, modified polycyclic aromatic hydrocarbons (MPP), and other types. Each type has unique performance characteristics and applicable scenarios.
• By Function: Curing agents can be categorized into general-purpose, specialized, and modified types. General-purpose curing agents are suitable for most epoxy resin systems, while specialized and modified types are optimized for specific applications.

II. Application Range of Multi-Epoxy Resin Curing Agents

1. Construction Industry

• Bridge Construction: In bridge building, multi-epoxy resin curing agents can be used for coating concrete surfaces to improve durability and corrosion resistance.
• Steel Structure Anti-Corrosion: In steel structure corrosion protection, these curing agents can be applied to steel surfaces to effectively prevent rust.

2. Automotive Manufacturing

• Component Manufacturing: During the production of automotive parts, multi-epoxy resin curing agents can be used for surface treatment of metal components to enhance wear and corrosion resistance.
• Automotive Body Coating: In vehicle coating processes, these curing agents can be used to apply paints, improving adhesion and abrasion resistance.

3. Electronics and Electrical Equipment

• Circuit Board Manufacturing: In circuit board production, multi-epoxy resin curing agents can be used for surface coating treatments to improve insulation properties and abrasion resistance.
• Electronic Component Encapsulation: In the encapsulation of electronic components, these curing agents can be applied to coating materials to ensure stability and reliability.

III. Preparation Methods for Multi-Epoxy Resin Curing Agents

1. Raw Material Selection

• Resin Types: Select appropriate epoxy resins as the base material to meet specific performance requirements.
• Curing Agent Selection: Choose suitable curing agents (e.g., amines, anhydrides) based on the epoxy resin system to be cured.

2. Mixing Ratios

• Accurately calculate and measure the proportions of curing agents and resins to ensure uniform mixing.
• During mixing, control temperature and time to avoid air bubbles or gelation.

3. Curing Conditions

• Determine curing temperatures and durations to ensure smooth curing processes.
• Adjust curing conditions according to different application scenarios to meet specific needs.

IV. Future Development Trends of Multi-Epoxy Resin Curing Agents

As technology advances and market demands evolve, multi-epoxy resin curing agents will encounter new opportunities for growth. Future trends may include:

• Eco-Friendly Solutions: Developing curing agents with low volatile organic compound (VOC) content to reduce environmental impact.
• High-Performance Innovations: Improving formulations and processes to enhance curing agent performance for demanding applications.
• Multifunctional Capabilities: Researching curing agents with diverse functions, such as combined curing and protective properties, to meet varied market needs.
• Smart Manufacturing: Adopting automated production lines and intelligent control systems to boost efficiency and product quality.

multi-epoxy resin curing agents, as essential chemical raw materials, have broad applications across industries. Through continuous research and innovation, it is believed that more efficient, eco-friendly, and high-performance epoxy resin curing agents will emerge in the future, contributing significantly to the development of various fields.