1、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.
2、Journal of Applied Polymer Science
Benefiting from the three-terminal amino structure of ZT-143, this curing agent induces the formation of dense plastic zones in the cross-linked polymer networks while preserving a good cross-linking density.
3、Applications of Epoxy Resin Curing Agents in Zhejiang
As a key economic province in China, Zhejiang plays a significant role in the application of epoxy resin curing agents, delivering substantial economic and social benefits.
4、Jilin Epoxy Resin Toughening Curing Agents
The primary components of Jilin's epoxy resin toughening curing agents include organic and inorganic fillers, along with specialized toughening agents. The selection and ratio of these fillers are crucial to achieving toughening effects.
China Anhydride Curing Agent Manufacturers, Epoxy Resin Suppliers
Zhejiang Heyi Chemical Co., Ltd.: Find professional anhydride curing agent, epoxy resin, composite materials, epoxy rebar, lightweight composites manufacturers and suppliers in China here!
Toughening epoxy resins: Recent advances in network architectures and
Clarifies structure–property relationships related to particle dispersion and toughening efficiency. Integrates linear and nonlinear rheology to probe network evolution during curing. Highlights synergistic toughening mechanisms and outlook on intelligent material design.
Advances in Toughening Modification Methods for Epoxy Resins: A
Through a detailed analysis of experimental studies, this paper highlights the effectiveness of various toughening strategies and suggests future research directions aimed at further optimizing epoxy resin toughening techniques for diverse industrial applications.
Applications of Modified Epoxy Resins in Zhejiang
The final properties of cured epoxy resins are affected by the type of epoxy resin, curing agent, and curing process. This paper aims to review the synthesis, curing process, and application of epoxy resins.
A phosphorus/silicon hybrid curing agent for epoxy resin
This study proposes an effective strategy for the development of high-performance epoxy resin curing agents, offering fresh perspectives for overcoming traditional performance trade-offs through molecular structure design.
Designing a Novel Modified Curing Agent to Alleviate the
The high brittleness of epoxy resins (ERs) restricts their high‐performance applications, while traditional toughening methods typically face a conflict between toughness and strength.
In modern industry, the performance of materials directly affects product quality, safety, and service life. As an important thermosetting polymer material, epoxy resin is widely used in electronics, aerospace, automotive manufacturing, and other fields due to its excellent mechanical properties and electrical insulation. epoxy resin also has limitations, such as insufficient toughness, which restricts its application in more complex scenarios. To address this, researchers and enterprises in Zhejiang have developed a series of toughening curing agents that significantly enhance the toughness of epoxy resin, making it suitable for high-strength and high-toughness applications.
Zhejiang has achieved remarkable success in the research and development of epoxy resin toughening curing agents. By adopting advanced chemical modification technologies and nanotechnology, researchers have successfully developed various curing agents with exceptional toughening effects. These agents not only improve the toughness of epoxy resin but also maintain its superior electrical and physical properties.
The principle of toughening is key to enhancing epoxy resin performance. There are two main approaches: chemical toughening, which introduces flexible chains or cross-linked networks to increase material toughness; and physical toughening, which incorporates nanoparticles or fibers to modify the matrix. Research teams in Zhejiang have innovated on these principles, developing new types of toughening curing agents.
Chemical toughening is a common method. By introducing flexible chains or cross-linked networks, the toughness of epoxy resin can be effectively improved. For example, copolymerization reactions can integrate flexible segments into the molecular structure, enhancing chain flexibility. Additionally, cross-linked networks create three-dimensional structures, strengthening interactions between molecular chains and further improving toughness.
Physical toughening modifies the matrix by incorporating fillers such as nanoparticles or fibers. For instance, nanoparticles form stress concentration regions that absorb external energy during impact, reducing damage to the matrix. These particles also interact with the matrix to form new chemical bonds, further optimizing toughness.
Research teams in Zhejiang prioritize comprehensive performance optimization. While enhancing toughness, they also fine-tune other properties of epoxy resin. By adjusting the type and ratio of curing agents, properties like hardness, heat resistance, and chemical resistance can be controlled. Additives are also used to improve mechanical, electrical, and thermal properties.
Zhejiang's advancements in epoxy resin toughening curing agents have expanded application possibilities for the material. These agents enhance toughness while preserving epoxy resin’s electrical and physical advantages. With technological progress and evolving market demands, future innovations in toughening curing agents are expected to further broaden the applicability of epoxy resin.
