1、Research on the durability of composite epoxy resin modified repair
The gradient composite epoxy resin-modified cement-based rapid repair mortar (MCEP) exhibits good durability in various tests and reveals the morphology of the gradient structure and the effect of composite epoxy resin (CEP) modification on repair material performance through methods such as X-CT.
2、Influence of Self
Based on the molecular structure–activity relationship, this study developed a novel waterborne epoxy–cement-based composite repair material using self-synthesized waterborne epoxy resin (WEP). The mechanism by which WEP improves the performance of cement-based materials was elucidated.
3、环氧树脂改性水泥混凝土的制备及耐久性实验分析
The results show that the doping of epoxy resin accelerates the hydration reaction, reduces the number of cracks and pores, and improves the density of concrete. The compressive strength and flexural strength both increased first and then decreased with the increase of resin doping.
4、Research review of water
This text presents an overview of the current research on water-based epoxy emulsion, modied cement-based materials, and their use in road construction and cementing engineering. It analyzes the characteristics of these materials and summarizes the modication mechanism of water-based epoxy resin-modied cement-based materials.
Investigation of waterborne epoxy
In this work, different amounts of waterborne epoxy resin were incorporated into cement mortar and their impacts on cement hydration, mortar performance, and pore structure were comprehensively investigated.
Performance of Epoxy Resin Polymer as Self
This research investigated the application of epoxy resin polymer as a self-healing strategy for improving the mechanical and durability properties of cement-based mortar.
Adhesion of Modified Epoxy Resin to a Concrete Surface
The following paper describes an experimental research program on the possibility of increasing the adhesion and durability of epoxy resin modified with the use of powder fillers. The resin can be used as a protective or top coat on the surface of concretes or mortars.
Epoxy Resin Water
The chemically modified and self-emulsified water-based epoxy resin emulsion was prepared and added to the cement slurry, and the comprehensive performance of the obtained cement stone was improved.
Effect of CTBN and Nano
In this study, a new type of flexible resin material (C-ER) was prepared by modifying epoxy resin with liquid nitrile butadiene rubber (CTBN) and nano-SiO2.
Research on the durability of composite epoxy resin modified
We developed a water-oil gradient composite epoxy resin (CEP) modified cement-based repair mortar (MCEP) using self-synthesized water-based epoxy resin (WEP) and oil-based epoxy resin (EP).
In the field of modern building materials, epoxy resin is widely favored for its excellent physical and chemical properties. traditional epoxy resins often require high-temperature environments during curing, which limits their application in many scenarios. To overcome this limitation, researchers have developed a novel composite material called "cement-modified epoxy resin". By combining cement with epoxy resin, this material achieves curing at room temperature, significantly expanding the application range of epoxy resin.
The development of cement-modified epoxy resin originated from the need to optimize the curing conditions of traditional epoxy resins. With advancements in construction technology, the performance requirements for building materials have increasingly grown. Notably, in high-temperature environments, the curing speed of epoxy resin decreases substantially, affecting construction efficiency. Additionally, high-temperature curing may increase the material's coefficient of thermal expansion, leading to higher thermal stress and compromising the structural stability and durability. developing an epoxy resin material that cures rapidly under ambient conditions while maintaining excellent properties has become critically important.
As a common inorganic binder, cement enhances the mechanical and chemical resistance properties of epoxy resin when combined. Specifically, the addition of cement improves the adhesive strength of epoxy resin and partially inhibits its volumetric shrinkage, reducing cracking caused by uneven curing. Furthermore, cement improves the impact resistance and wear resistance of epoxy resin, making it more suitable for demanding engineering environments.
The preparation process of cement-modified epoxy resin is relatively straightforward and involves the following steps: First, epoxy resin and an appropriate amount of cement are mixed to ensure thorough wetting and uniform blending. The mixture is then poured into molds and cured at a specific temperature to allow the cement to fully solidify and bond with the epoxy resin. Finally, the product undergoes surface treatment or shaping into desired forms and sizes as needed.
The performance characteristics of cement-modified epoxy resin are highlighted as follows:
- Faster curing speed and higher mechanical strength compared to traditional epoxy resins, offering advantages in rapid construction scenarios such as building reinforcement and bridge repair.
- Enhanced chemical resistance due to the inclusion of cement, making it suitable for anticorrosive coatings or protective layers.
- Improved thermal stability, enabling curing at lower temperatures and reducing environmental demands during construction.
- Good flexibility and wear resistance, allowing adaptation to complex usage conditions.
cement-modified epoxy resin also has limitations. For instance, its cost is relatively high, and its performance may be inferior to pure epoxy resin under extreme conditions (e.g., high temperatures or humidity). Additionally, the construction process is more complex, requiring specialized equipment and technical expertise to ensure quality. To address these challenges, researchers are continuously exploring new synthesis methods and improved processes to enhance the overall performance and expand the applications of cement-modified epoxy resin.
As an emerging high-performance composite material, cement-modified epoxy resin holds vast potential in construction, bridges, automotive manufacturing, and other fields. With technological advancements and growing market demands, cement-modified epoxy resin is poised to demonstrate its unique advantages and value across broader domains in the near future.
