1、Effect of the Aromatic Amine Curing Agent Structure on Properties of

Epoxy resin is one of the commonly used matrixes of syntactic foams as a buoyancy material, the curing agents of which affect some of the properties for syntactic foams.

2、Aromatic Amino Acids as Latent, Bio‐based Curing Agents and Toughening

This investigation provides valuable insights into the mechanical properties of thermosets prepared from the aromatic amino acids L-tryptophan and L-tyrosine as curing agents for epoxy resins.

3、A Comparative Guide to Aromatic Diamine Curing Agents for Epoxy Resins

The following tables summarize the quantitative performance data for the selected aromatic diamine curing agents when used with a standard Diglycidyl Ether of Bisphenol A (DGEBA) based epoxy resin, unless otherwise specified.

4、Curing of epoxy with aromatic amine bearing boronic ester bonds enables

Aromatic amine hardener bearing boronic ester bonds for epoxy curing was synthesized. The cured products possessed the thermomechanical properties comparable to the counterparts of epoxy thermosets. The cured products had excellent reprocessing and reconfigurable shape memory properties.

5、The Effect of the Structure of Aromatic Diamine on High

Aromatic diamine curing agents and the epoxy resin (AFG-90MH) were mixed in a 3:4 molar ratio (active hydrogen to epoxy groups). Solid curing agents (MDA, MOCA, MCDEA) were separately dissolved in dichloromethane and mixed with AFG-90MH.

Epoxy Curing Agents

Clear and pigmented coatings based upon Amicure® IC curing agents exhibit very rapid hardness development, excellent low temperature cure, very good color and UV stability and excellent surface appearance.

Acceleration of epoxy resin curing by using a combination of aliphatic

In this research, the amidoamine adduct of tall oil with triethylenetetramine have been used for acceleration of the reaction of the aromatic amine (diaminodiphenyl sulfone, DDS) with the diglycidyl ether of bisphenol A (DGEBA) epoxy resin.

(PDF) Aromatic amino acids as latent, bio

This shows that amino acids as curing agents for epoxy resins result in thermosets with a wide range of thermo-mechanical properties and that the choice of curing agent has...

Effect of the Aromatic Amine Curing Agent Structure on Properties of

Epoxy resin is one of the commonly used matrixes of syntactic foams as a buoyancy material, the curing agents of which affect some of the properties for syntactic foams.

AROMATIC AMINES – Epochemie – Epoxy Curing Agents

Aromatic amine cured epoxy systems can give films with excellent gloss, blush free and excellent chemical resistance. But, aromatic amine confers poor color stability to film. Aromatic amine cured systems finds usage mainly in tank lining, primer, maintenance coating in corrosive environments.

A Comprehensive Analysis of Epoxy Resins and Aromatic Curing Agents: From Fundamentals to Applications

Introduction: In modern industrial and construction sectors, epoxy resins and their aromatic curing agents play an indispensable role. These high-performance polymer materials are widely utilized due to their exceptional physical and chemical properties. This article provides an in-depth exploration of the fundamental concepts, preparation processes, application scope, challenges, and future trends of epoxy resins and aromatic curing agents.

1. Basic Concepts Epoxy resin is a thermosetting polymer containing epoxy groups (-C(O)-C(O)-), characterized by excellent mechanical properties, electrical insulation, and corrosion resistance. It cures into a hard, wear-resistant material through reactions with various curing agents. Aromatic curing agents are compounds that react with epoxy resins, offering enhanced crosslinking density, which significantly improves the mechanical strength and thermal resistance of the material.

2. Preparation Process

1. Raw Material Preparation: Epoxy resins and aromatic curing agents are typically mixed in liquid form. These solutions can be used individually or adjusted proportionally based on specific requirements.
2. Rationing: Accurate rationing is critical for achieving optimal curing effects. Different applications may require varying proportions, necessitating an understanding of each resin’s characteristics and curing conditions.
3. Mixing: The epoxy resin and aromatic curing agent are combined in a specific ratio to ensure uniform blending.
4. Degassing: Bubbles formed during or after mixing must be removed through appropriate methods to avoid defects in the cured product.
5. Molding: The mixed liquid is poured into molds and allowed to cure naturally or subjected to heat to accelerate the curing process.

3. Application Range

1. Electronic Packaging: Epoxy resins are widely used in electronic component encapsulation due to their superior electrical insulation.
2. Composites: Aromatic curing agents enhance the mechanical properties of epoxy resins, making them ideal for manufacturing high-performance composite materials.
3. Construction: The combination of epoxy resins and aromatic curing agents offers exceptional weather resistance and corrosion resistance, leading to widespread use in construction.
4. Automotive Industry: Used in manufacturing engine parts, brake systems, and other critical components.
5. Aerospace: Applied in lightweight yet high-strength structural parts, such as aircraft fuselages and satellite components.
6. Medical Devices: Employed in the production of prosthetics, stents, and surgical instruments.

4. Challenges and Future Trends Despite the broad application prospects of epoxy resins and aromatic curing agents, several challenges persist. For instance, stricter environmental regulations have spurred research into low-toxicity or biodegradable curing agents. Additionally, the development of new materials has raised performance expectations for traditional epoxy resins, driving innovation in novel curing agents.

Looking ahead, researchers are exploring a wider variety of aromatic curing agents, such as compounds with specialized functional groups, to achieve superior performance. The integration of nanotechnology has also opened new avenues for epoxy resins and aromatic curing agents, for example, using nanoparticles to enhance mechanical properties.

Epoxy resins and their aromatic curing agents are integral to modern industry and construction. With ongoing technological advancements, these materials are poised to continue meeting future engineering demands through their exceptional performance.