1、Research status of mechanical modification of epoxy resin
To achieve this, researchers have adopted various methods to enhance the mechanical and physical properties of epoxy resin. Epoxy resin modification is a common method and has been subject to numerous innovations in recent years.
2、Advances in Toughening Modification Methods for Epoxy Resins: A
Following the systematic exposition of conventional experimental development and testing methodologies, this study provides a comprehensive synthesis of computational modeling techniques and machine learning applications in epoxy resin development and performance prediction.
3、Synthesis and Modifications of Epoxy Resins and Their
This article is designed to review the developments in synthesis, modifications, and properties of epoxy monomers derived from both petroleum and renewable resources.
4、Synthesis and Modifications of Epoxy Resins and Their
This article is designed to review the developments in synthesis, modifications, and properties of epoxy monomers derived from both petroleum and renewable resources.
Research status of epoxy resin modification at home and abroad
Epoxy resin is a thermosetting resin material with a long history and a wide range of applications.Because of its excellent mechanical properties,dielectric properties and chemical resistance,it can be used as engineering plastics,laminates,molding materials,coatings,etc.,and has been widely applied in the high-tech fields of ...
Facile synthesis of hyperbranched epoxy resin for combined flame
Facile synthesis of a novel transparent hyperbranched phosphorousnitrogen-containing flame retardant and its application in reducing the fire hazard of epoxy resin
Synthesis and Properties of Epoxy Resin Modified with Novel Reactive
ABSTRACT: In this work, the influence of the new epoxy-containing liquid rubber-based modi fiers on the thermal and mechanical properties of the cured epoxy resins was investigated.
Synthesis and Properties of Epoxy Resin Modified with
The epoxy-functional polybutadienes obtained via the conventional epoxidation reaction or catalytic hydrosilylation have been successfully applied for modification of commercially available epoxy resin to modulate its mechanical properties.
Chemical Engineering Journal：超支化环氧树脂增韧阻燃改
近期，Chemical Engineering Journal发表了江南大学化学与材料工程学院合成与生物胶体教育部重点实验室绿色涂料与微电子材料研究室的研究成果“Facile synthesis of hyperbranched epoxy resin for combined flame retarding and toughening modification...
Synthesis and Modifications of Epoxy Resins and Their Composites: A
This article is designed to review the developments in synthesis, modifications, and properties of epoxy monomers derived from both petroleum and renewable resources.
In the field of modern material science, epoxy resins have become a cornerstone for composite materials due to their exceptional physical and chemical properties. their inherent limitations, such as brittleness, poor thermal stability, and insufficient chemical resistance, restrict their broader applications. To overcome these challenges, scientists have developed modification techniques to enhance the performance of epoxy resins. This article explores recent advancements in epoxy resin modification synthesis and its potential applications across various fields.
The modification of epoxy resins typically involves chemical or physical methods aimed at improving critical properties like mechanical strength, heat resistance, chemical resistance, and electrical insulation. Common modification approaches include blending, filling, graft polymerization, cross-linking, and nanocomposite modifications.
Blending Modification involves mixing epoxy resins with other resins or fillers to create a homogeneous composite. For instance, incorporating high-performance polymers like polyamide acid anhydride (PAA) significantly enhances mechanical properties and thermal stability. This approach not only improves material strength but also increases resilience to environmental factors, making it suitable for high-temperature and harsh-environment applications.
Filling Modification introduces rigid fillers such as glass fibers, carbon fibers, or diatomaceous earth to reinforce stiffness and thermal performance. These fillers form a three-dimensional network within the epoxy matrix, effectively hindering crack propagation, thereby improving fatigue resistance and thermal stability. Additionally, this method reduces material density, lowering weight and improving energy efficiency.
Graft Modification attaches functional monomers or polymers to epoxy molecular chains via chemical reactions, imparting new properties. For example, graft polymerization with polyetheramine (PEEK) markedly boosts thermal stability and electrical insulation, expanding applications to electronic encapsulation and aerospace components.
Cross-Linking Modification forms a three-dimensional network through chemical cross-linking reactions, enhancing mechanical strength and heat resistance. Cross-linking agents like multifunctional compounds (e.g., epichlorohydrin (EPCI) or trifluoromethyl methacrylate) are commonly used. This technique is ideal for high-strength and wear-resistant applications.
Nanocomposite Modification integrates nanoparticles (e.g., carbon nanotubes, graphene) into epoxy resins to create advanced composites. The high specific surface area and superior mechanical properties of nanoparticles significantly improve overall performance. For example, adding carbon nanotubes enhances mechanical strength, conductivity, and thermal conductivity.
The application prospects of modified epoxy resins are vast. In automotive industries, modified epoxies enable lighter, stronger, and more durable parts, such as engine components and structural frames. In electronic packaging, they enhance chip reliability and longevity. For aerospace, modified epoxies offer high-temperature resistance and lightweight materials to meet extreme environmental demands.
Research on epoxy resin modification continues to evolve. Future efforts will focus on developing efficient, eco-friendly methods to optimize comprehensive performance. With advancements in material science, modified epoxy resins are poised to unlock new opportunities and broaden their application horizons.
