Research Status on Thermal Conductivity Modification of Resins

1、Current Status of Research on the Modification of Thermal

This paper reviews the recent progress of the thermal conductivity mechanism, thermal conductivity model and filling modification of epoxy resin-based composite foam thermal conductivity materials, including the filling modification of thermal conductivity particles, hollow glass microspheres (HGMs) and negative thermal expansion (NTE).

Current Status of Research on the Modification of Thermal

2、Review of thermal conductivity in epoxy thermosets and composites

In recent years, many promising advances have been made at the technical and mechanistic levels. This review includes the different approaches, the thermal conduction mechanisms implied, and the main research progresses.

Review of thermal conductivity in epoxy thermosets and composites

3、Research on Improving the Thermal Conductivity of Epoxy Resin with

Currently, the introduction of rigid groups into epoxy resins is the main method to improve their intrinsic thermal conductivity. The researchers explored the relationship between the flexible chains of epoxy monomers and the thermal conductivity of the modified epoxy resins (MEP).

Research on Improving the Thermal Conductivity of Epoxy Resin with

4、Principles of Thermal Conductivity Modification in Resins

Principles of Thermal Conductivity Modification in Resins

Research Status of Epoxy Resin with High Thermal Conductivity

To develop high thermal conductivity epoxy resin packaging materials has become an inevitable choice. High thermal conductivity epoxy resin includes intrinsic thermal conductivity epoxy resin and filled thermal conductivity epoxy composite mate-rials.

Current Status of Research on the Modification of Thermal Properties of

Table 1 from Current Status of Research on the Modification of Thermal

The role of synergistic effect and interface on through-plane thermal conductivity and dielectric properties by intercalating the hybrid fillers of the alumina and boron nitride nanosheets into epoxy resin is reported.

Current Status of Research on the Modification of Thermal Properties of

ng composite material, epoxy resin syntactic foam is increasingly widely used for insulation filling in electrical equipment. To avoid core burning and cracking, which are prone to occur during...

Improving inherent thermal conductivity of epoxy resins based on

While studies exploring the effect of pressure on the thermal conductivity of polymers are limited, the inverse nonequilibrium molecular dynamics technique has shown success in determining the thermal conductivity tensor of pentaerythritol tetranitrate.

Research on Improving the Thermal Conductivity of Epoxy

With the advancement of technology, the demands for material performance have increasingly grown. Particularly in fields such as electronic devices, energy storage, and thermal management, there is a high requirement for the thermal conductivity of materials. Resins, as a common class of polymer materials, are widely used across various industries due to their low cost and ease of processing. their inherently low thermal conductivity limits their performance in high-performance applications. Consequently, modifying the thermal conductivity of resins has become a hot research topic.

I. The Importance of Thermal Conductivity Modification in Resins

Thermal conductivity is a critical indicator of a material's ability to dissipate heat. In electronic devices, excellent thermal conductivity can effectively reduce the operating temperature of components, extend their lifespan, and enhance operational efficiency. Additionally, in emerging sectors such as new energy vehicles and solar photovoltaics, efficient thermal management is key to ensuring system stability. improving the thermal conductivity of resins through modification holds significant practical value.

II. Research Progress in Thermal Conductivity Modification of Resins

Filler Modification To enhance the thermal conductivity of resins, researchers often employ filler modification. Common fillers include carbon nanotubes, graphene, and metal particles. These materials form effective thermal bridges, increasing internal thermal resistance and thereby improving thermal conductivity. For instance, composites with high thermal conductivity can be fabricated by mixing carbon nanotubes or graphene with resins. Such composites not only retain good mechanical properties but also significantly elevate the thermal conductivity of the resin.
Interfacial Modification In addition to filler modification, interfacial modification is another effective approach. By introducing appropriate interfacial compatibilizers between the resin and fillers, interactions can be improved, reducing interfacial thermal resistance and enhancing overall thermal conductivity. For example, using silane coupling agents as interfacial modifiers strengthens adhesion between fillers and resins, resulting in a denser composite structure that facilitates heat transfer.
Structural Design Beyond traditional filler and interfacial modifications, innovative structural designs have been explored to boost thermal conductivity. For example, porous materials can increase surface area without compromising other properties, accelerating heat diffusion. Additionally, adjusting the microstructure of resins, such as incorporating nanoscale channel structures, can expand thermal conduction pathways, further improving thermal performance.

III. Challenges and Prospects

Despite progress, several challenges remain. First, balancing the enhancement of thermal conductivity while preserving the resin’s original properties—such as mechanical strength and processability—requires further innovation. Second, for extreme environments (e.g., high temperatures, pressures), improving the thermal stability and compressive strength of resin materials necessitates deeper investigation.

Looking ahead, research will focus on optimizing comprehensive performance. This includes developing new composites with superior thermal stability and mechanical properties for demanding applications. Advanced manufacturing techniques, such as precise control over filler distribution and resin molecular structure optimization, will also play a role in enhancing thermal conductivity and stability.

thermal conductivity modification of resins is a field brimming with challenges and opportunities. Through continuous technological innovation and material optimization, the development of high-performance, cost-effective, and eco-friendly resin materials could significantly contribute to human advancement.