1、环氧树脂热稳定性与耐腐蚀性能改性研究进展

本文综述了近年来改性环氧树脂在提高热稳定性和耐腐蚀性方面的研究进展,并展望未来的发展趋势。 ;Due to the poor thermal stability and corrosion resistance of epoxy resin, its application in high temperature or corrosive environment is limited.

2、Preparation and evaluation of the high

To address the shortcomings of traditional processes, this paper proposes the development of a thermally expandable high-temperature resistant epoxy resin, and the use of a self-expanding molding process to produce foam sandwich composite materials with excellent high-temperature resistance.

3、Optimization of preparation techniques for high

This study aims to enhance phenolic epoxy resin by incorporating nano SiO 2 to produce water-based phenolic epoxy resin, thus achieving water-based properties and augmenting its high-temperature resistance.

A novel photocurable modified epoxy resin for high heat resistance

The epoxy resin modified with DMPA has better polarity than those traditional epoxy resins. Moreover, the rich amount of hydroxyl groups gives more reactive reaction sites, so that modified epoxy resins with different functions can be easily prepared.

Silicon Hybridization for the Preparation of Room

Herein, a silicon-hybridized epoxy resin, amenable to room-temperature curing and designed for high-temperature applications, was synthesized using a sol–gel methodology with silicate esters and silane coupling agents serving as silicon sources.

Preparation and evaluation of the high

Epoxy foam exhibits poor high-temperature resistance in the aerospace field. In this study, BMI and bisphenol A-based epoxy resin modified with ortho-diene were used to create a polymer with a unique structure and high crosslinking density during the curing process.

Study on heat resistance of epoxy adhesive modified by

A high temperature resistant epoxy adhesive was developed by using bisphenol A epoxy resin (E-51) as resin matrix,bisphenol A type phenolic epoxy resin as modifier and 4,4-diaminodiphenyl sulfone (DDS) as curing agent.The results showed that the addition of phenolic epoxy resin greatly improved the temperature resistance of epoxy ...

Curing and High

In comparison to the non-hybridized epoxy resin, notable improvements are observed in room-temperature curing performance, heat resistance, and mechanical strength.

High heat Resistance, Strength, and toughness of epoxy resin with

Most reported methods for modifying EP have compromised its thermal resistance [5], greatly limiting its use in various fields. Therefore, it is crucial to develop epoxy composite materials that exhibit excellent mechanical properties and thermal resistance.

Epoxy Resin Adhesives: Modification and Applications

The functionality of the epoxy-resin structure increases, which can promote the stability and cross-linking density of the corresponding structure and finally effectively enhance the high-temperature resistance of the epoxy resin.

In modern industry, applications involving high-temperature environments are becoming increasingly prevalent, spanning from chemical production and aerospace materials to the encapsulation of electronic devices. These scenarios impose higher demands on the heat resistance of materials. As a high-performance thermosetting material, epoxy resin has become indispensable in numerous fields due to its excellent mechanical properties, electrical insulation, and chemical stability. traditional epoxy resins often exhibit issues such as increased brittleness, reduced strength, and insufficient temperature resistance under high-temperature conditions, severely limiting their use in extreme environments. developing new materials and technologies to effectively modify epoxy resin for higher-temperature applications is particularly critical.

Research into epoxy resin modification for high-temperature resistance began in the 1970s. Scientists have significantly improved the thermal performance of epoxy resin by incorporating fillers, plasticizers, and curing agents with superior heat resistance. Among these methods, nanoparticle-filled modification technology is one of the most widely used approaches. By uniformly dispersing nanoscale inorganic or organic particles within the epoxy matrix, the material’s thermal conductivity, mechanical properties, and dimensional stability can be substantially enhanced. Additionally, this approach improves high-temperature stability and wear resistance.

Silane coupling agents serve as a prime example of this technology. These agents effectively bond epoxy resin to various filler surfaces, forming stable interfacial structures. This modification not only enhances the composite’s mechanical properties but also significantly improves its high-temperature resistance. By adjusting the type and dosage of silane coupling agents, the modification effects can be finely tuned to maintain high mechanical strength and thermal stability within specific temperature ranges.

Beyond nanoparticle filling, the introduction of advanced fillers such as carbon fibers and ceramic fibers is another crucial method for epoxy resin modification. These fillers, known for their exceptional heat resistance and mechanical properties, greatly enhance the overall performance of epoxy composites. For instance, carbon fiber, as a high-performance filler, ensures that epoxy composites retain good mechanical properties even under high temperatures due to its high strength and modulus.

the incorporation of plasticizers plays an essential role in epoxy resin modification. By selecting appropriate plasticizers, the toughness of the composite can be improved without sacrificing the resin’s fundamental properties, ensuring greater stability in high-temperature environments. Additionally, plasticizers can reduce the viscosity of epoxy resin, facilitating processing and molding—a significant advantage for large-scale production.

The research and application of epoxy resin modification for high-temperature resistance have provided new solutions for materials in extreme environments and opened new avenues for technological innovation. With advancements in nanotechnology and materials science, future modification techniques are expected to become more diversified and efficient, offering broader possibilities for high-temperature applications.

the study and application of epoxy resin modification for high-temperature resistance is a multidisciplinary and interdisciplinary endeavor. It involves knowledge and technologies from materials science, nanotechnology, chemical engineering, and other fields, while also considering practical factors such as cost-effectiveness and environmental impact. Only through continuous technological innovation and practical exploration can the widespread use of epoxy resin in high-temperature environments be realized, contributing further to human progress and development.