1、Stable waterborne epoxy resins: Impact of toughening agents on coating
The CEB waterborne epoxy resins (CEBs) were synthesized through blending CA-4 with BPA at controlled ratios, followed by reaction with liquid epoxy resin. The research examined how the chain length in each CA influenced the properties of the resins, films and coatings.
2、Waterborne Epoxy Curatives
You can choose from a number of waterborne epoxy systems, depending on your priorities. anquawhite® 100 curing agent and ancarez ar555 epoxy resin offer very fast dry speed of less than an hour with high gloss, low color and no carbamation issues. this coating will also provide high stain resistance and good cleanability. alternatively, a ...
3、Research on Curing Mechanism of Waterborne Epoxy Resin
A home-made waterborne epoxy resin curing agent was used to cure the home-made E-type non-ionic waterborne epoxy resin latex at room temperature. The curing effect and the performance of the coatings film were investigated.
4、Synthesis of a waterborne epoxy curing agent based on
Polyether polyols can improve the performance of waterborne epoxy curing agent. In this paper, intermediates were synthesized from polyether triols with epoxy resin E-51 and introduced into the epoxy curing agent by reacting with TETA.
Waterborne Epoxy Resins and Curing Agents
Polycoat™️ is a high-performance water-based epoxy resin and curing agent developed and produced by Lingwe Technology.
Waterborne & Solvent Based Metal Coatings for Epoxy Resin
Learn how to select your waterborne resin and curing agents for epoxy resins to match the performance of your formulation with a traditional solvent-based coating.
Synthesis and properties of a nonionic water
Water-based epoxy curing agents can be divided into two categories: type I and type II. Type I epoxy systems require their curing agents to have the functions of curing and emulsifying. The epoxy resin is a liquid or emulsion, and the curing agent is a water-soluble amine curing agent.
Self
The curing agent for waterborne resin adsorbs onto the surface of the resin after the epoxy resin and water have combined. This agent functions as an emulsifier.
Preparation and curing properties of waterborne epoxy emulsified
To avoid the performance degradation and service life reduction of WEREA due to the uncoordinated curing rate of each component, it is imperative to coordinate the curing rate of epoxy resin with that of asphalt and to optimize the design of the WEREA composition.
Waterborne Resins and Curing Agents
EPI-REZ™ waterborne epoxy resins, together with EPIKURE™ curing agents, enable a wide variety of low or no-VOC end-products with performance levels previously unthinkable for waterborne epoxy systems—at a cost that is increasingly competitive with solvent-borne technology.
In modern industrial manufacturing, epoxy resins, as high-performance thermosetting materials, are widely used in electronics, automotive, construction, and other fields due to their excellent physical and chemical properties. the curing process of epoxy resins typically involves organic solvents, which are not only costly but also pose potential threats to the environment and human health. the exploration and application of waterborne epoxy resin curing agents have become an important research topic. This article discusses the preparation principles, application prospects, and challenges of waterborne epoxy resin curing agents.
I. Preparation Principles of Waterborne Epoxy Resin Curing Agents
Waterborne epoxy resin curing agents are compounds containing reactive functional groups that promote cross-linking and curing through chemical reactions with epoxy resins. The core of such curing agents lies in their molecular structure, which includes functional groups capable of reacting with epoxy groups in epoxy resins, such as hydroxyl (-OH) or amino (-NH₂) groups. By selecting appropriate raw materials, waterborne epoxy resin curing agents with specific functions can be designed. For example, the introduction of special modifiers in some curing agents can improve compatibility between the curing agent and epoxy resin, thereby reducing bubbles and porosity during the curing process.
II. Application Prospects of Waterborne Epoxy Resin Curing Agents
With increasingly stringent environmental regulations and the growing adoption of green chemistry concepts, waterborne epoxy resin curing agents are gaining popularity due to their low volatile organic compound (VOC) emissions. Compared to traditional solvent-based curing agents, waterborne curing agents exhibit lower toxicity and minimal environmental impact, making them highly promising for applications in electronic encapsulation, coatings, composites, and other fields. Additionally, these curing agents offer excellent adhesion, wear resistance, and corrosion resistance, meeting the diverse needs of industrial applications.
III. Challenges
Despite their advantages, waterborne epoxy resin curing agents face several challenges in practical推广应用 (promotion and application). First, their relatively high cost limits their competitiveness in the market. Second, waterborne epoxy resin curing agents require longer curing times, necessitating extended processing cycles to achieve desired performance. Furthermore, their stability under extreme conditions remains to be optimized to suit more demanding industrial environments.
IV. Future Outlook
Looking ahead, the development of waterborne epoxy resin curing agents will focus on enhancing environmental friendliness, efficiency, and cost-effectiveness. On one hand, improving formulations and production processes can reduce costs and increase cost-performance ratios. On the other hand, strengthening fundamental research to develop novel waterborne epoxy resin curing agents will better meet the needs of diverse应用场景 (application scenarios). Meanwhile, rigorous performance evaluation and testing of these curing agents will ensure optimal results in practical applications.
waterborne epoxy resin curing agents, as eco-friendly curing agents, hold significant research and application value. Through continuous technological innovation and market expansion, it is believed that they will play an increasingly critical role in future industrial development.
