1、Study on curing kinetics of epoxy

Acid amide structures of amine hardener reduce exothermic temperature of curing. Lower exothermic temperature results in more homogenous mechanical properties.

2、Thermal curing of epoxy resins at lower temperature using 4

In this study, we present N -methyl- N -pyridyl amide derivatives as thermal latent curing agents for use at lower temperatures, along with their mechanism of epoxy curing through the generation of the highly reactive 4- (methylamino)pyridine (4MAPy) (Figure 1).

3、Preparation and Properties of Epoxy Adhesives with Fast Curing at Room

Developing a highly efficient multifunctional epoxy adhesive is still an enormous challenge, which can rapidly cure at room temperature and has excellent low-temperature resistance performance and is crucial for the epoxy adhesive and electrical sealing fields during severe cold seasons.

Ancamine® 2337M

While the need for a long shelf life and fast curing at low temperatures may seem contradictory, Evonik has developed Ancamine® 2337M to meet these challenges without compromising the typical properties of epoxy systems.

Low Exothermic Epoxy Systems

Liquid epoxy resins are converted to a solid after being mixed with a hardener/curing agent. Depending on the specific combination of epoxy, curing agent and fillers that is being used for formulating an epoxy system, the exotherm can vary significantly.

Effect of Curing Agent Type on Curing Reaction Kinetics of Epoxy Resin

In this paper, low molecular weight polyamides, aromatic amines and anhydrides were selected as three kinds of curing agents and their isothermal viscosity-time properties were studied to...

EPIKURE™ Curing Agent P

EPIKURE Curing Agent P-100 is a versatile, chemically stable, low bake or ultra-rapid epoxy powder coating converter. It is a solid amine adduct especially designed to cure epoxy resin powder coatings at temperatures as low as 275°F (135°C). This permits the use of energy saving baking schedules.

Preparation and Properties of Epoxy Adhesives with Fast Curing at Room

This work proposes a new method to improve the room-temperature curing speed and low-temperature resistance of epoxy adhesives. Starting from the epoxy resin system, a fast-curing, low temperature-resistant epoxy resin was developed.

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.

Preparation and properties of stretchable low temperature resistant

Two innovative molecular design strategies for epoxy curing agents to address the inherent brittleness and cryogenic limitations of conventional epoxy systems are introduced.

In modern industry, the performance and quality of materials play a crucial role in production efficiency, product performance, and safety. As an important class of chemical materials, epoxy curing agents are widely used in electronics, automotive, construction, and other fields. Among them, low-exothermic epoxy curing agents have attracted significant attention due to their excellent properties. This article explores the knowledge and applications of low-exothermic epoxy curing agents in depth.

I. What Are Low-Exothermic Epoxy Curing Agents?

Low-exothermic epoxy curing agents are epoxy curing agents characterized by reduced exothermic reaction heat during the curing process. Their key feature is minimal heat release, which helps lower the curing temperature and minimize the impact of environmental temperature on production processes. This property makes them particularly suitable for temperature-sensitive applications, such as semiconductor manufacturing and precision instrument assembly.

II. Why Choose Low-Exothermic Epoxy Curing Agents?

1. Improving Production Efficiency: Temperature control is critical during production. Low-exothermic epoxy curing agents reduce temperature fluctuations, enhance efficiency, and lower energy consumption.
2. Ensuring Product Quality: Excessive heat may degrade physical properties like hardness and toughness. These curing agents help maintain product quality and performance.
3. Extending Equipment Lifespan: High temperatures accelerate thermal fatigue in equipment. By reducing thermal load, low-exothermic curing agents prolong equipment life.

III. Types and Characteristics of Low-Exothermic Epoxy Curing Agents

1. Aliphatic Low-Exothermic Epoxy Curing Agents: Contain aliphatic groups, offering low exotherm, good water resistance, and chemical stability. Suitable for diverse applications.
2. Aromatic Low-Exothermic Epoxy Curing Agents: Feature aromatic rings, providing lower exotherm, high heat resistance, and chemical stability. Ideal for high-temperature or harsh environments.
3. Carbamate-Based Low-Exothermic Epoxy Curing Agents: Incorporate carbamate groups, yielding low exotherm, strong adhesion, and flexibility. Commonly used in bonding and sealing.
4. Imidazoline-Based Low-Exothermic Epoxy Curing Agents: Contain imidazoline rings, exhibiting low exotherm, excellent heat resistance, and alkali resistance. Suited for extreme conditions.

IV. Practical Applications of Low-Exothermic Epoxy Curing Agents

1. Electronic Packaging: Temperature control is vital in electronic encapsulation. These curing agents ensure stable electrical and mechanical properties under high-temperature conditions.
2. Aerospace Industry: Aerospace equipment demands rigorous temperature management. Low-exothermic curing agents enhance reliability and safety in material preparation.
3. Medical Device Manufacturing: Strict temperature control is required for medical devices. These curing agents reduce process variability, improving product quality and production efficiency.

Low-exothermic epoxy curing agents have gained widespread adoption across industries due to their superior performance. With advancing technology and growing material performance demands, these curing agents hold promising development prospects. In the near future, they are expected to play a larger role in more fields, contributing significantly to human progress.