1、A Study of the Effect of Aniline Curing Agent Bridge Bonding
In this paper, two amine curing agents were selected to construct interface models of a Cu (111) slab and epoxy resin, with repeating fragments representing the crosslinked structure of the resin.
2、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.
3、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.
A critical review of dynamic bonds containing curing agents for epoxy
Investigated the mechanical, thermomechanical, thermal, and recycling properties of the epoxy thermosets cured by developed curing agents. Addressed the challenges, opportunities and emerging trends in the field.
Curing study of epoxy resin by new aromatic amine
Abstract To cure diglycidyl ether of bisphenol A (DGEBA) resin, with new curing agents like amine functional aniline formaldehyde condensates (AFAFC) and amine functional chloroaniline formaldehyde condensates (AFCFC) as a function of concentration of the curing agents, an investigation was carried out.
Influence of different composite curing agents on the rapid curing
In particular, effective formulations are designed for mixing fast and slow curing agents, studying their effects on the curing behavior, curing quality, and mechanical properties of epoxy resins and elucidating their influence mechanisms.
Epoxy Resin Curing Using Solid Hardener in the Solution Phase: Study on
Solid hardner were used for curing epoxy with different percentages hydrazine, in acetone and acetone/aniline as a solvent. Epoxy resin curing analysis was confirmed by FTIR, and UV-visible spectroscopic analysis. The thermal stability of cured epoxy material has been studied using DSC.
211005_WP_Epoxy Curing Agents _en_Freigabe.indd
The curing agents used are typically nucleophiles, such as mainly bi- or polyfunc-tional amines, but also thiols or acid anhydrides, which crosslink with the epoxy resin to form highly branched thermo-set plastics in a polyaddition reaction.
The epoxy resin system: function and role of curing agents
In the presence of curing agents, epoxy resins become rigid and infusible. Eco-friendliness and mechanical functionality have emerged as vulcanization properties.
Journal of Applied Polymer Science
A curing agent is required to cure an epoxy resin, but a few curing agents also improve the mechanical properties of the resin. In addition, it is rare to find hardeners containing multiple amines, which can be used to form high crosslink densities.
In the vast realm of modern materials science, epoxy resins play an irreplaceable role due to their exceptional physical and chemical properties. As the "soul" of epoxy resins, aniline curing agents are indispensable in the curing process. They not only determine the performance of epoxy resins but also directly impact the quality and functionality of the final products.
Epoxy resin is a thermosetting polymer characterized by a highly cross-linked network structure. Widely used in electronics, aviation, automotive, construction, and other fields, its superior performance stems from its unique molecular structure. When cured, it exhibits remarkable mechanical strength, excellent electrical insulation, and outstanding corrosion resistance. achieving these properties requires a specific curing process, where aniline curing agents play a pivotal role.
Aniline curing agents are critical components in the curing of epoxy resins. They react chemically with reactive groups in the epoxy molecules, forming a stable three-dimensional network. During this process, the amino groups (-NH₂) in aniline undergo addition reactions with epoxide groups (C-O-C), creating new chemical bonds. These bonds link epoxy molecular chains into a robust network, enhancing mechanical properties while imparting exceptional heat resistance and chemical stability.
There are numerous types of aniline curing agents, with aromatic amines being the most common. These curing agents typically contain two or more amino functional groups, enabling reactions with multiple epoxide groups. Depending on application needs, different aromatic amines can be selected to tailor epoxy resin properties. For example, curing agents with aromatic rings may be chosen for applications requiring high hardness and wear resistance, while those with amide groups are preferred for optimal electrical performance.
Beyond aromatic amines, other curing agents—such as aliphatic amines and heterocyclic amines—offer distinct advantages. Aliphatic amines, with lower viscosity and better solubility, suit thin-layer coating or precision processing. Heterocyclic amines, meanwhile, may provide higher heat resistance and radiation tolerance, making them suitable for high-temperature environments.
Selecting aniline curing agents involves multiple considerations. First, the type and performance requirements of the epoxy resin must align with the curing agent. Volatility, toxicity, cost, and environmental compliance are also critical factors. Additionally, compatibility between the curing agent and epoxy resin ensures uniform mixing and consistent coating formation.
As technology advances and societal needs evolve, demands for epoxy resins and their curing agents continue to grow. Future research will likely prioritize eco-friendly and sustainable solutions. Innovations in materials science may introduce novel, high-efficiency, and environmentally friendly aniline curing agents, expanding the application horizons of epoxy resins.
The study and application of epoxy resins and aniline curing agents represent a dynamic field of progress. By deepening understanding and carefully selecting curing agents, the full potential of epoxy resins can be unlocked for complex applications. Looking ahead, ongoing technological advancements promise even broader prospects for epoxy resins and their aniline curing agents.
