1、Investigation on fundamental properties and chemical characterization
In order to improve the defects of conventional cement-based grout such as low strength, brittle failure, weak bonding, and poor stability, water-soluble epoxy resin was designed and used to modify cement-based grout.
2、Research progress in epoxy grouting materials
In order to meet the application needs of epoxy grouting materials in various aspects, there have been a variety of modification methods to improve the mechanical properties of epoxy grouting materials.
3、Roles and Applications of Modified Epoxy Resin Grouting Material
Modified epoxy resin grouting material is a type of grout based on epoxy resin, with its properties enhanced by the addition of modifiers. This material exhibits superior adhesion, compressive strength, and durability.
Study on Rheological Behavior and Surface Properties of Epoxy Resin
To the best of our knowledge, there are few reports that focus on the time-varying properties of viscosity and affinity of epoxy resins grouting material. In this paper, we investigate the changing rules of viscosity and affinity with time by studying the viscosity, surface tension and contact angle of the epoxy grouting material.
Preparation and Properties of Silicon
This study modified graphene oxide (GO) with hydrophilic octadecylamine (ODA) via covalent bonding to improve its dispersion in silicone-modified epoxy resin (SMER) coatings.
Fundamental properties of epoxy resin
The main objective of the current laboratory project was to comprehensively investigate the potential use of a two-component water soluble epoxy resin to improve the properties of thick superplasticised cement grouts.
Preparation and Performance Enhancements of Low
The effects of epoxy resin and water glass on the compressive properties, expansion rate, structure of the cell, and maximum reaction temperature of the grouting materials were also investigated.
Fundamental properties of epoxy resin
Epoxy resin was used in thick superplasticised cement grouts. Epoxy resin improved final strength, toughness, bleeding and resistance to acid erosion. Epoxy resin increased viscosity, yield stress and setting time.
Investigation on fundamental properties and chemical characterization
In order to improve the defects of conventional cement-based grout such as low strength, brittle failure, weak bonding, and poor stability, water-soluble epoxy resin was designed and used to...
Study on rheological and mechanical properties of
To perfect the flaws of traditional cement-based grouting materials, s...
In the field of civil and construction engineering, the performance of materials directly affects the safety, durability, and cost-effectiveness of projects. In recent years, with growing environmental awareness and rising demand for green building materials, the development of novel grouting materials with superior properties has become a research focus. Among these, epoxy resin-modified grouting materials have attracted significant attention due to their unique chemical structures, excellent mechanical properties, and strong environmental adaptability. traditional epoxy-based grouts often suffer from poor hydrophilicity, which limits their application in specific environments. studying the hydrophilic properties of epoxy resin-modified grouting materials is crucial to expanding their practical usage.
Epoxy resin, a high-performance thermosetting polymer, is widely used in composites, adhesives, and coatings due to its exceptional physical and chemical properties. its molecular structure contains numerous polar groups (e.g., epoxide groups), resulting in inherently low hydrophilicity. This characteristic causes epoxy-based grouts to undergo curing reactions rapidly in humid environments, leading to performance degradation, cracking, or spalling.
To improve the hydrophilicity of epoxy-based grouts, researchers have explored various approaches. One common method involves modifying the epoxy structure by introducing hydrophilic monomers or functional groups, enabling better solubility or dispersion in water. For example, copolymerizing hydrophilic monomers into the epoxy backbone can significantly enhance hydrophilicity. Additionally, surface treatment techniques such as plasma processing or chemical grafting can create hydrophilic layers on the epoxy surface, improving its interaction with water.
Beyond chemical modifications, physical approaches also effectively enhance hydrophilicity. For instance, incorporating nano-fillers or adopting nanocomposite technologies can improve water absorption and dispersion without compromising the base properties of epoxy. The surface and size effects of nano-fillers facilitate water migration and dispersion within the epoxy matrix, thereby boosting hydrophilicity.
In practical engineering applications, the hydrophilic performance of epoxy-modified grouts critically impacts their effectiveness. For example, in underground construction or bridge reinforcement, grouts must exhibit good permeability and adhesion to ensure proper contact and sealing with surrounding media. Inadequate hydrophilicity may prevent effective penetration or lead to material delamination, compromising overall project quality and safety.
To validate these modification methods, researchers have conducted extensive experimental studies and case analyses. Results show that chemical or physical modifications significantly improve the hydrophilicity of epoxy-modified grouts. In practice, these modified materials demonstrate enhanced fluidity, permeability, and bonding strength, meeting diverse engineering demands.
Despite advancements, further optimization is needed. Balancing performance with cost, improving long-term durability, and addressing other challenges remain research priorities. With ongoing progress in materials science and engineering, innovative solutions and新材料 (new materials) are expected to emerge to meet evolving engineering requirements.
studying the hydrophilic properties of epoxy resin-modified grouting materials is a multidisciplinary and technically demanding endeavor. Through in-depth research on epoxy structure design, modification methods, and expanded applications, this field holds promise for driving grouting materials toward higher performance and broader utility.
