1、改性环氧树脂_百度百科
还有用蓖麻油型聚氨酯与EP制IPN结构体系,其力学性能和热性能得到大幅度提高。 硅氧烷、 丙烯酸酯 、含氟弹性体增韧EP。 正受到人们重视。 环氧树脂改性的重点是:提高耐热性、耐燃性、延长使用期和贮存期、树脂单组分化、低粘度、低温固化性等。
2、Synthesis and application of epoxy resins: A review
Epoxy resins are defined as low-molecular-weight pre-polymers containing more than one epoxide group of the form [2]: Epoxy resins are thermosetting resins, which are cured using a wide variety of curing agents via curing reactions.
3、Modified epoxy coating_化工百科
Modified epoxy coating - 简介 Modified epoxy coating(改性环氧树脂涂料)是一种特殊的涂层材料,具有以下性质: 耐化学腐蚀性能:改性环氧树脂涂层具有优异的耐化学腐蚀性能,可以防止化学物质侵蚀对基材的破坏。
4、Research status of mechanical modification of epoxy resin
Epoxy resin, a popular material in aerospace, construction, cars, and electronics, is praised for its strong bond, chemical resistance, and good insulation. But it’s a bit brittle.
5、Modified Epoxies Vs. Regular Epoxies: Key Differences
On the other hand, modified epoxies contain additional components such as rubber, silica, or other additives to enhance specific properties. These modifications can result in improved flexibility, toughness, thermal conductivity, or electrical insulation, depending on the desired application.
Synthesis and Modifications of Epoxy Resins and Their
It begins with the enhancement in epoxy monomer properties such as mechanical, thermal, adhesive, barrier and etc by addition of flexible polymer and elastomers. It also explains the role of...
Advances in Toughening Modification Methods for Epoxy Resins: A
Epoxy resins are high-performance thermosetting polymers characterized by the presence of two or more epoxy groups within their molecular structure, typically based on aliphatic, cycloaliphatic, or aromatic carbon chains [2, 3, 4] (Figure 1).
Research for Epoxy Modified Polyurethane Resin Technology
The epoxy modified polyurethane resin can be prepared under the catalyst action of isocyanate monomer and linear thermoplastic polyurethane elastomer and bisphenola epoxy resin.
Preparation and Durability of Modified Epoxy Resin
To solve these practical problems, a robust superhydrophobic coating was fabricated with modified epoxy resin and oleophilic alumina NPs. Prepared by layered preparation method and air spraing method, the coating had a contact angle of 157.57° and a sliding angle of 2°.
Study of Modified Epoxy Resin
Using silicone to modified EP is a new developed way recently to toughen EP effectively. Due to the great difference of the solubility parameter between organic silicon and EP, it is essential to solve this problem.
Modified epoxy resin is a type of resin obtained through chemical or physical modification of raw epoxy resin to achieve specific properties. Such modifications significantly improve its mechanical performance, heat resistance, chemical resistance, electrical insulation, and other characteristics, enabling its widespread application in many industrial fields.
1. Definition and Composition
Modified epoxy resin is a high-molecular-weight compound containing epoxy groups (-C-C-C-O-), typically based on bisphenol A epoxy resin as the primary material. While it exhibits excellent adhesion and chemical stability, it also has limitations such as brittleness and poor impact resistance. To address these shortcomings, researchers add functional fillers, plasticizers, curing agents, and other components to modify the epoxy resin.
2. Modification Principles
- Chemical Modification: Introducing organic or inorganic functional groups alters the molecular structure of epoxy resin, endowing it with new properties. For example, graft copolymerization can incorporate monomers with specialized functions into the epoxy resin chains, creating materials with targeted capabilities.
- Physical Modification: Altering the resin’s morphology, such as increasing crosslinking density or raising the glass transition temperature, enhances its mechanical strength and heat resistance. Adjusting curing conditions allows for precise control over crosslinking density and structure.
- Composite Modification: Combining two or more resin types leverages complementary advantages for improved overall performance. For instance, blending epoxy resin with polyurethane or silicone rubber creates materials with superior comprehensive properties.
3. Main Types
- Thermosetting Modified Epoxy Resins: Cured under heat, they offer high mechanical strength and wear resistance. Examples include phenolic epoxy, furan epoxy, and phenolic-furan epoxy.
- Thermoplastic Modified Epoxy Resins: Softening at specific temperatures, they provide elasticity and flexibility for applications requiring malleability, such as polyester epoxy and polyurethane epoxy.
- Self-Healing Modified Epoxy Resins: Capable of autonomously repairing damage under external forces, they enhance durability and reliability. Incorporating nanomaterials with self-healing properties is a common approach.
4. Application Areas
- Electronics and Electrical Engineering: Used as encapsulants for electronic components like circuit boards and capacitor casings, due to their electrical insulation and mechanical strength.
- Construction: Employed in concrete additives, waterproof coatings, and sealants to improve building durability and lifespan.
- Aerospace: Utilized in aircraft engine parts and structural components, requiring high strength, heat resistance, and corrosion resistance.
- Automotive Industry: Applied in automotive bodies, interiors, and chassis parts, demanding wear resistance, oil resistance, and weatherability.
- Sports Equipment: Used in shoe soles, basketball hoops, and golf club shafts for elasticity and durability.
- Medical Devices: Employed in surgical instruments and dental materials, necessitating biocompatibility and antibacterial properties.
- Environmental Protection: Utilized in water treatment equipment and exhaust gas purification devices, requiring corrosion and temperature resistance.
5. Future Development Trends
Advances in technology will drive new opportunities for modified epoxy resin research and applications. On one hand, optimizing existing modification techniques can further enhance performance and reduce costs. On the other hand, emerging materials and processes will expand application possibilities. For example, integrating novel functional fillers could improve heat resistance, chemical resistance, and electrical insulation, while new shaping technologies may enable precise property control.
as a critical advanced polymer material, modified epoxy resin holds vast application potential and market demand. Through continuous technological innovation and industrial upgrading, it is poised to play an increasingly important role across diverse fields, contributing significantly to human progress.

