1、Phosphorus
To prepare epoxy resins (EP) with flame retardancy and remolding capability, novel amine curing agents (DDPM and DDPS), which incorporate phosphonates and bis-Schiff bases, were used to replace DDM partially or completely for EP curing.
2、The epoxy resin system: function and role of curing agents
The epoxy resin curing reaction is accelerated or regulated by epoxy curing agents. During the curing phase, the epoxy resin undergoes irreversible modifications.
3、Preparation and properties of stretchable low temperature resistant
Two innovative molecular design strategies for epoxy curing agents to address the inherent brittleness and cryogenic limitations of conventional epoxy systems are introduced.
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.
Hyperbranched Thiol
To address this, we designed and synthesized a series of thiol-terminated branched polyurethanes with varying molecular weights to act as curing agents for epoxy resins.
A novel efficient flame
In summary, this work utilized the flexible molecular design of bio-based benzoxazine to develop a flame-retardant curing agent for epoxy resin, which improved the comprehensive properties of epoxy resin and enriched the application of PBz-EP composites in the field of flame retardant.
Phosphorus
To prepare epoxy resins (EP) with flame retardancy and remolding capability, novel amine curing agents (DDPM and DDPS), which incorporate phosphonates and bis-Schiff bases, were used to replace DDM partially or completely for EP curing.
Current situation and development trend of reactive epoxy resin curing
Abstract 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.
A curing agent for epoxy resin based on microencapsulation of 1
In the curing reaction of the epoxy resin, the 1BMI-MCs exhibited a delayed kinetic behavior compared to pure 1BMI. Furthermore, the E-51/MCs system had a storage term of 16 weeks. The shell material not only had no effect on curing effect of E-51, but also toughen the cured EP systems.
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...
In modern industrial production, the application of epoxy resin and EP (Epoxy Resin) curing agents is extensive and far-reaching. As critical components of high-performance materials, they play vital roles not only in industries such as electronics, automotive, and aviation but also showcase unique performance advantages in numerous other fields. This article delves into the fundamental principles, application scope, and methods for optimizing the performance of epoxy resin and EP curing agents.
Epoxy resin is a thermosetting plastic synthesized through the polycondensation of polyols and phenolic resins. It exhibits excellent mechanical strength, chemical resistance, and electrical insulation properties. By reacting with various curing agents, it can achieve rapid curing to form composite materials that are hard, wear-resistant, and physically superior. These characteristics make epoxy resin widely used in manufacturing structural components, coatings, adhesives, and more.
EP (Epoxy Resin) curing agents are compounds containing epoxide groups that facilitate the curing process of epoxy resin. The selection of EP curing agents significantly impacts the performance of the final material. Different types of EP curing agents possess varying functional groups and reactivities, which influence the mechanical properties, thermal resistance, and chemical stability of the cured product. For instance, aromatic EP curing agents typically offer higher thermal resistance and better electrical properties, while aliphatic EP curing agents are更适合 applications requiring greater flexibility.
The compatibility between epoxy resin and EP curing agents is key to achieving high-performance materials. Researchers and engineers have conducted extensive explorations to optimize these combinations. By adjusting the type and ratio of curing agents, critical performance indicators such as curing speed, hardness, and flexibility of epoxy resin can be effectively controlled. Additionally, incorporating specific catalysts or modifiers can further enhance the mechanical properties and durability of the materials.
In practical applications, multiple factors must be considered when pairing epoxy resin with EP curing agents. First, curing conditions—including temperature and pressure—directly affect curing speed and the final product’s performance. Second, surface treatment of materials is crucial; proper preprocessing increases the contact area between the curing agent and epoxy resin, thereby improving adhesion and mechanical strength. Finally, selecting the appropriate curing agent type for the application is essential, as different scenarios may require specific curing agents to meet particular performance demands.
The combination of epoxy resin and EP curing agents is not merely a chemical reaction but also involves multidisciplinary knowledge spanning materials science and process engineering. With advancements in new material technologies, research on epoxy resin and EP curing agents continues to progress. In the future, we can confidently expect that through deeper research and innovation, these high-performance materials will deliver more reliable and high-performance solutions across industries.
The integration of epoxy resin and EP curing agents represents both a technical challenge and a promising research frontier. By continuously optimizing formulations, improving processes, and exploring new applications, these high-performance materials are poised to play an increasingly critical role in the industrial development of tomorrow.
