1、高耐热EP的开发及其应用研究进展

摘要： 在介绍环氧树脂（EP）基本性能的基础上，对新型耐高温EP的开发方法进行了综述，如：有机小分子共混改性、有机树脂共混改性、纳米粒子共混改性、化学合成法制备新型耐热EP等，同时总结了高耐热EP在耐磨材料、涂层涂料、电子封装材料等不同领域中的应用研究，并展望了其未来的发展方向。

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、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.

4、Heat

Heat-Resistant Shape Memory Fully Biobased Epoxy Resins with High Storage Modulus and Recycle Performance. Combining high heat resistance and green sustainability is a great challenge in developing shape memory epoxy resins.

5、Journal of Applied Polymer Science

Low-temperature cured epoxy resin (EP) is a suitable resin system for bonding thermal and temperature-sensitive devices, which can also reduce energy consumption and production costs.

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 ...

Study on thermal degradation mechanism of heat

In this contribution, we synthesized and employed 1,7-bis (aminophenylene)meta-carborane to cure the phenolic epoxy resin. The cured epoxy resin showed outstanding thermal oxidation stability.

Heat

The novelty of this work is to systematically study the improved insulation characteristics of highly heat-resistant epoxy resin. The findings provide an important reference for the development of epoxy resins with both heat-resistance and excellent insulation advantages.

A novel photocurable modified epoxy resin for high heat

In this paper, in order to further improve the heat resistance of UV-curing epoxy cresol novolac (EOCN), 2,2-bis (hydroxymethyl)propionic acid (DMPA) was firstly introduced to open epoxy groups in EOCN and then the hydroxyl groups reacted with acryloyl chloride to make sure the resin has sufficient UV-curing double bonds.

Preparation and Application of Polyurethane

Epoxy resins always suffer from high brittleness and poor resistance to crack initiation and propagation due to their high cross-linked density. In this work, a highly tough, self-healable, degradable, and recyclable polyurethane-modified epoxy material was successfully prepared via combining long and flexible chains with dual dynamic covalent bond/hydrogen bond cross-linking networks into the ...

In modern industrial manufacturing, the performance of materials directly impacts product quality and production efficiency. Modified heat-resistant epoxy resin has become one of the preferred materials for numerous engineering applications due to its excellent high-temperature resistance. This high-performance synthetic resin not only demonstrates superior stability and adhesive strength in high-temperature environments but also, through rational modification, adapts to a wider temperature range, meeting the unique demands of different industrial fields.

The fundamental principle of modified heat-resistant epoxy resin involves chemically or physically altering raw materials to enhance their heat resistance and mechanical strength while maintaining or improving other properties such as adhesion and electrical insulation. Modification methods include adding heat-resistant agents, employing specific curing systems, and adjusting the proportion of fillers in the formulation.

Heat resistance is one of the most significant characteristics of modified heat-resistant epoxy resin. Traditional epoxy resins begin to thermally decompose above 100°C, leading to performance degradation. by incorporating heat-resistant agents such as silane coupling agents or triazine compounds, their upper temperature limits can be significantly raised. For instance, silane-coupling agent-modified epoxy resins maintain stable physical and chemical properties in environments exceeding 250°C.

Beyond heat resistance, modified heat-resistant epoxy resins exhibit exceptional adhesive properties. In fields like electronic packaging and aerospace, epoxy resins serve as matrix materials and must bond firmly with metals or other non-metallic materials. By adjusting the type and dosage of curing agents, the cross-linking density after curing can be optimized to enhance adhesion. For example, epoxy resins cured with acid anhydride agents retain strong adhesive properties even at high temperatures.

In addition to heat resistance and adhesion, modified heat-resistant epoxy resins offer优异的 electrical insulation performance. In industries such as power and electronics, insulation capabilities are critical to ensuring equipment safety. Adding fillers with high dielectric constants, such as aluminum oxide or magnesium hydroxide, effectively improves the dielectric strength of epoxy resins. These modified resins maintain robust electrical performance at temperatures above 200°C, satisfying the demands of high-voltage electrical equipment.

The applications of modified heat-resistant epoxy resins span from traditional electronic packaging to high-end manufacturing sectors like aerospace and automotive industries. In electronic packaging, they are used to fabricate circuit board substrates, providing stable adhesion and electrical properties within a temperature range of -40°C to 200°C. In aerospace, where extreme temperature fluctuations and vibrations prevail, these resins are employed in critical components such as engine parts and aircraft structures, ensuring reliability and safety under high-temperature conditions.

As technology advances and industrial demands escalate, the performance requirements for modified heat-resistant epoxy resins continue to rise. In the future, further research and development will likely expand their unique advantages across more domains, creating greater value for society.

modified heat-resistant epoxy resin, as a synthetic resin with卓越的 performance, has demonstrated immense potential in multiple fields due to its enhanced heat resistance, adhesion, and electrical insulation. With ongoing technological progress, it is poised to play an increasingly vital role in the future of industrial development.