1、Influence of fillers on epoxy resins properties: a review
Regarding the use of epoxy resins (ERs) in industrial fields, there is an urgent need for improved ERs, which is difficult to achieve by just manipulating the chemical structure of the prepolymer and curing agents.
2、A review of waste
By the incorporation of the fillers into the epoxy resin, impact strength could be improved, and brittleness can be eliminated. Fillers may take the form of fibers or powders, sourced either synthetically or naturally. Examples of powders include carbon nanotubes, graphene, nano clay, and silica.
3、An Overview on the Effects of Fillers on Properties of Epoxy Resins
The present review gives an overview of a vast selection of fillers—natural, metallic, carbon fillers— incorporated in ER matrices to enhance or to meet the requirements for a desired application, such as the increase in the final adhesive toughness.
4、Effect of Wettability Modification of Inert Fillers on the Properties
Effect of Wettability Modification of Inert Fillers on the Properties of Epoxy Coatings: An Experimental and Theoretical Approach. In recent years, the influence of filler surface groups in epoxy resin coatings on the protective performance of coatings has attracted widespread attention.
The Effect of Metal Filler on the Mechanical Performance of Epoxy Resin
This study was useful in determining the impact of incorporating cast iron filler into epoxy resin and examining its influence on material behavior. The proportion of cast iron and the mechanical behavior of the resulting epoxy composites were found to have a clear correlation.
The Influence of Modification with Natural Fillers on the Mechanical
The detailed view of the interaction between the filler and the matrix (resin) is obvious from Figure 10 C from which good wettability of the filler with the resin is evident.
An Overview on the Effects of Fillers on Properties of Epoxy Resins
The present review gives an overview of a vast selection of fillers—natural, metallic, carbon fillers— incorporated in ER matrices to enhance or to meet the requirements for a desired application, such as the increase in the final adhesive toughness.
Effects of filler loading and surface modification on electrical and
Based on the above knowledge, the aim of this work is to discuss the effect of filler loading and surface modification on the morphology, electrical and thermal properties of the epoxy/MMT composites.
Enhancing interfacial properties of epoxy coatings via hyperbranched
Currently, the issue of inadequate interfacial performance between inorganic fillers and resins in epoxy coatings has garnered significant attention. Therefore, in this study, hyperbranched polymers functionalized with hydroxyl and carboxyl groups were synthesized via a one-step method.
Influence of fillers on epoxy resins properties: a review
Regarding the use of epoxy resins (ERs) in industrial fields, there is an urgent need for improved ERs, which is difficult to achieve by just manipulating the chemical structure of the prepolymer and curing agents.
In modern materials science, epoxy resins, as a critical class of thermosetting polymer matrices, are widely utilized in fields such as electronics, aerospace, automotive, and construction due to their excellent mechanical properties, electrical insulation, and chemical stability. these superior characteristics also limit their applicability in certain specialized scenarios. To expand the utility of epoxy resins and enhance their comprehensive performance, filler modification technology has emerged as a pivotal research direction. This paper explores the effects of filler modification on epoxy resins and discusses how different filler modification strategies can optimize their properties to meet broader application demands.
Understanding Filler Modification Filler modification refers to the process of introducing or altering the type, structure, and size of fillers in epoxy resins to improve their mechanical strength, thermal resistance, chemical resistance, and other properties. Common fillers include silicates (e.g., silica, aluminum oxide), carbides (e.g., graphite, carbon black), and metal oxides (e.g., zinc oxide, iron oxide). By selecting appropriate fillers, the overall performance of epoxy resins can be significantly enhanced, enabling them to better serve specific applications.
Impact of Different Filler Types
- Silicate Fillers: Materials like silica (SiO₂) and aluminum oxide (Al₂O₃) offer high loading capacity and excellent thermal stability, substantially improving the heat resistance and creep resistance of epoxy resins.
- Carbide Fillers: Conductive fillers such as graphite and carbon black enhance electrical conductivity and thermal conductivity, making epoxy resins suitable for applications requiring efficient heat dissipation or electromagnetic interference (EMI) shielding.
- Metal Oxide Fillers: Compounds like zinc oxide (ZnO) and iron oxide (Fe₂O₃) provide corrosion resistance and oxidation stability, ensuring durability in harsh environments.
Hybrid Filler Modification Combining multiple filler types is a promising strategy to leverage synergistic effects. For instance:
- Pairing graphite with carbon black can simultaneously improve electrical and thermal conductivity.
- Blending silica with aluminum oxide enhances both thermal resistance and anti-creep properties.
Practical Applications and Achievements Filler-modified epoxy composites have already demonstrated remarkable success. For example, hybrid filler-modified epoxies with high strength, toughness, and superior electrical properties are extensively used in aerospace, new energy vehicles, high-performance computing, and smart sensor technologies. These advancements highlight the potential of tailored filler strategies to address complex engineering challenges.
Challenges and Future Directions Despite its advantages, filler modification faces critical challenges, such as ensuring uniform filler dispersion and preventing agglomeration. Future research must focus on optimizing filler selection, distribution, and surface treatments to maximize performance. Additionally, developing cost-effective and scalable techniques for industrial applications remains a key priority.
Filler modification plays a vital role in advancing the performance and versatility of epoxy resins. By strategically combining filler types and optimizing their configurations, researchers can tailor epoxy properties for diverse needs. Addressing current limitations through innovative approaches will further unlock the potential of filler-modified epoxy materials, driving future advancements in materials science and engineering.
