1、Preparation and properties of a novel waterborne epoxy resin modified

When the amount of water-borne epoxy resin exceeded 40%, the pull-out strength of waterborne epoxy resin modified emulsified asphalt increased significantly at 25℃ and 40℃, and its storage stability was optimized when the content of waterborne epoxy resin reached 50%.

2、Preparation of modified montmorillonite

Using phase inversion technology, an epoxy resin/organic montmorillonite composite emulsion was successfully fabricated, employing a minimal amount of an epoxy emulsifier with OMMT as a co-emulsifier. Thermal curing of this emulsion yielded the final OMMT/epoxy resin composites.

3、Studies of waterborne emulsion of chemically modified epoxy resin

The modified resins were characterized using IR spectroscopy and differential scanning calorimetry (DSC). The progress of emulsification process was characterized by measuring the variations of conductivity and viscosity while dropping water into the modified resin solution.

4、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 ...

5、Performance Evaluation and Mechanism Analysis of Modified Emulsion

The findings of this study are instrumental in advancing the application of waterborne epoxy resin modified emulsified asphalt mixtures in road maintenance and repair, offering a sustainable and performance-enhancing solution for pavement materials.

Preparation of modified montmorillonite

A modified amine chain segment was synthesized through a reaction between polyethylene glycol (PEG) and bisphenol A epoxy resin. Subsequently, organically modified montmorillonite (OMMT) was prepared via ammonium salt formation under acidic conditions.

Optimization of preparation techniques for high

In light of escalating global climate change concerns and the pressing need to address industries with high carbon emissions and pollution, enhancing the preparation of phenol-formaldehyde epoxy resins has emerged as a critical research focus.

Synthesis and properties of castor oil–based cationic waterborne

Table 2 shows the test results of the emulsion appearance, stability, and solid content of the EWPU emulsions modified by E1, E2, E3, and E4 of the epoxy resin with different epoxy values.

Preparation and performance characterization of waterborne epoxy resin

Waterborne epoxy resin modified emulsified asphalt (WEREA) was then prepared for the application of a tack coat material. Fourier Transform Infrared Spectroscopy (FTIR) test was conducted to explore the possible reactions between the compositions.

Preparation of Epoxy Resin Emulsifiers with Different Structures and a

This work shed a light on the structural importance of epoxy resin emulsifier on its physicochemical properties and may provide a better choice of emulsifiers for the preparation of stable...

In modern construction and industrial fields, the selection and application of materials are critical factors determining engineering quality and performance. Epoxy resin emulsions, as high-performance adhesive matrices, are widely used across various sectors due to their excellent adhesive strength, chemical stability, and mechanical properties. traditional epoxy resin emulsions may face limitations in specific applications, such as excessive curing times, brittleness, and poor temperature resistance. modifying epoxy resin emulsions to enhance their performance has become a hot topic in the field of materials science.

The basic composition of epoxy resin emulsions includes epoxy groups, hydroxyl groups, and alkoxy groups. These functional groups impart unique chemical and physical properties to the emulsions. For instance, epoxy groups enable reactions with various curing agents, while hydroxyl groups facilitate hydrogen bonding, strengthening intermolecular interactions. the presence of these groups often results in a lower glass transition temperature (Tg), causing the material to become brittle at low temperatures and fail to meet the demands of certain应用场景.

To address this challenge, researchers have developed methods to modify epoxy resin emulsions. A common strategy involves introducing crosslinking agents to elevate the glass transition temperature. Crosslinking agents react with epoxy groups, forming a three-dimensional network structure that significantly improves heat resistance and mechanical strength. Additionally, plasticizers or fillers can be added to adjust polymer chain mobility, enhancing flexibility and toughness.

Beyond chemical modifications, physical approaches can also improve epoxy resin emulsions. For example, nanotechnology-enabled, nanoscale epoxy emulsions with small particle sizes and large surface areas provide more active sites for crosslinking reactions, thereby boosting mechanical performance and temperature resistance.

Innovative modification strategies are also under exploration. For instance, epoxy resin emulsions derived from bio-based or renewable resources reduce reliance on traditional petrochemicals while minimizing environmental impact. Incorporating multifunctional additives—such as conductive particles, photoinitiators, or antimicrobial agents—further diversifies applications, enabling uses in electronics, healthcare, and other advanced industries.

The application prospects of modified epoxy resin emulsions are vast. In construction, they can be used to manufacture high-strength, durable concrete products and waterproof coatings. In the automotive industry, they serve as lightweight, adhesive-rich materials for vehicle components. In electronic packaging, modified emulsions act as precision bonding agents for chip connections. Furthermore, aligning with sustainable development goals, these emulsions show immense potential in eco-friendly building materials.

The research and development of modified epoxy resin emulsions not only resolve performance瓶颈of traditional materials but also pave new pathways for material science innovation. With ongoing technological advancements, future epoxy resin emulsions are expected to become more versatile and functional, providing robust and reliable support for diverse industries.