1、Curing Behavior and Thermomechanical Performance of Bioepoxy Resin
In this study, four aliphatic amines with different molecular structures and amine functionalities, namely triethylenetetramine (TETA), Tris (2-aminoethyl)amine (TREN), diethylenetriamine (DETA), and ethylenediamine (EDA), were used to cure the synthesized vanillyl alcohol–based bioepoxy resin (VE).
2、Curing reactions of epoxy powder coatings in perspectives of chemical
The properties of the cured products of epoxy powder coatings are dominated by the curing systems. This review discusses the types, reaction principles, characteristics of curing agents and accelerators that participate in the curing reaction with different epoxy resins.
3、Synthesis and Characterization of Homogeneous Epoxy Networks
While thermal curing of such monomers with polyfunctional amines and anhydrides has been intensively discussed in literature, surprisingly, their polymerization behavior using alcohols as co-curing agents and the resulting mechanical properties have not been investigated in detail up to now.
The epoxy resin system: function and role of curing agents
Curing agents are critical components of aqueous epoxy resin systems. Unfortunately, its uses and applications are restricted because of its low emulsifying yields. Epoxy resins are frequently used in electrical devices, castings, packaging, adhesive, corrosion resistance, and dip coating.
Curing Agent: Types & Process of Curing Agents for Epoxy Resin
Explore the main types of curing agents & various crosslinking methods which help to improve the polymerization process to select the right curing agent for coating formulation.
Rapid 3D printing of unlayered, tough epoxy–alcohol resins with late
High-performance epoxide-based resins, which are regulated by chain transfer via multifunctional alcohols, are a typical example of resins with late gel points, which require long irradiation times and high light intensities to print.
Curing Behavior and Thermomechanical Performance of Bioepoxy Resin
In this study, four aliphatic amines with different molecular structures and amine functionalities, namely triethylenetetramine (TETA), Tris (2-aminoethyl)amine (TREN), diethylenetriamine (DETA), and ethylenediamine (EDA), were used to cure the synthesized vanillyl alcohol–based bioepoxy resin (VE).
The epoxy resin system: function and role of curing agents
Curing agents are critical components of aqueous epoxy resin systems. Unfortunately, its uses and applications are restricted because of its low emulsifying yields.
A critical review of dynamic bonds containing curing agents for epoxy
Particular emphasis is given to synthesis approaches and curing performances of intrinsically recyclable epoxy curing agents for the development of next-generation epoxy thermosets.
The epoxy resin system: function and role of curing agents
Depending on their chemical composition, curing agents can be cat-egorised as amine-type curing agents, alkali curing agents, anhydrides, or catalytic curing agents.
Epoxy resins, as an indispensable high-performance material in modern industry, have gained widespread attention due to their broad applications and exceptional properties. the full realization of their functional and performance capabilities hinges critically on the curing process. In this context, curing agents play a pivotal role in determining whether epoxy resins can achieve successful curing and the final properties of the cured product. Among the myriad curing agents available, alcohol compounds stand out due to their unique chemical properties and high reactivity, serving as crucial components in the curing of epoxy resins.
The curing of epoxy resins is a complex chemical reaction involving multiple interactions between substances. Alcohol compounds, as primary curing agents, contribute to the process in several key ways:
1. Accelerating the Curing Process The curing of epoxy resins requires the formation of a stable three-dimensional network structure through intricate chemical reactions, often a time-consuming process. Alcohol compounds facilitate this by reacting with the epoxy groups (-C-O-C-) in the resin. Specifically, the hydroxyl groups (-OH) in alcohols undergo condensation reactions with epoxy groups, forming new ester bonds. The rate and extent of this reaction directly influence the curing speed and final performance of the epoxy resin.
2. Enhancing Mechanical Properties Cured epoxy resins exhibit excellent mechanical properties, including high tensile strength, toughness, and wear resistance. The addition of alcohol compounds further improves these traits by refining the microstructure of the cured product. This results in a denser and more uniform matrix, thereby boosting its mechanical performance.
3. Modulating Additional Performance Characteristics Beyond mechanical properties, cured epoxy resins also offer advantages such as electrical insulation, high-temperature resistance, and corrosion resistance. Alcohol compounds can synergistically enhance these properties. For instance, specific alcohols may interact with other components in the epoxy system, optimizing the overall performance of the cured material.
Considerations and Limitations Despite their significance, alcohol compounds are not universal cure-alls. The choice of alcohol-based curing agents must align with the specific requirements of different epoxy systems, depending on application scenarios. excessive use of alcohols may negatively impact the cured product’s properties. Thus, precise control over dosage is essential to achieve optimal curing outcomes.
As a core class of curing agents for epoxy resins, alcohol compounds play an irreplaceable role in the curing process. By adjusting the type and amount of alcohol used, it is possible to fine-tune the curing speed and quality of epoxy resins, meeting diverse application needs. With advancements in new materials technology and the pursuit of high-performance materials, future research and applications will likely uncover even greater potential for alcohol compounds in epoxy curing.
