1、Slow Curing of Epoxy Resin Underwater at High Temperatures
In this work, a novel curing agent, 4,4′- ( (methylenebis (4,1-phenylene))bis (azanediyl))bis (4- (furan-2-yl)butan-2-one) (AFPA), has been designed and synthesized via a one-pot method. The gelation time of epoxy system with AFPA underwater at 120 and 150 °C reaches 20 and 8 h, respectively.
2、Study on the Room
This study resolves the challenge of balancing curing speed and performance in room-temperature-curing epoxy coatings by developing a novel system grafted with hexamethylene diisocyanate trimer (HDI trimer) and polyethylene glycol 200 (PEG200).
3、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.
4、Curing reactions of epoxy powder coatings in perspectives of chemical
This review discusses the types, reaction principles, characteristics of curing agents and accelerators that participate in the curing reaction with different epoxy resins.
Low viscosity and low temperature curing reactive POSS/epoxy hybrid
Results demonstrated that the OPEP system has excellent processability with low viscosity and long processing window period and satisfies the practical requirements of low-temperature curing.
Thermal curing of epoxy resins at lower temperature using 4
To expand the application fields of epoxy resins, there has been a growing demand for thermal latent curing agents that combine a lower curing temperature with a long storage lifetime for a one-component epoxy formulation.
Epoxy Resin Slow
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.
A review of the curing rate and mechanical properties of epoxy resin on
Abstract The curing rate of epoxy resins is a critical parameter that significantly influences the curing properties of polymer matrix composites (PMCs). It plays a vital role in meeting high-performance requirements, particularly in achieving rapid development of high modulus.
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...
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 industrial and construction fields, epoxy resin is widely used as a high-performance material due to its excellent physical and chemical properties. The curing process of epoxy resin is a critical step in its application, and slow-curing epoxy resin curing agents are an indispensable component of this process. This article aims to explore the characteristics, applications, and future development trends of slow-curing epoxy resin curing agents.
1. Overview of Slow-Curing Epoxy Resin Curing Agents
Slow-curing epoxy resin curing agents are substances that significantly extend the curing time of epoxy resin, typically by reducing the concentration of reactive functional groups in the resin. These curing agents provide施工人员（construction personnel）with an extended working time window without compromising the resin’s performance, thereby reducing wait times during施工（construction）and improving工作效率（work efficiency）.
2. Classification of Slow-Curing Epoxy Resin Curing Agents
Slow-curing epoxy resin curing agents can be categorized into two main types based on their mechanisms: chemical modifiers and physical modifiers.
- Chemical Modifiers: These curing agents react with epoxy resin to form stable compounds, reducing the concentration of reactive functional groups and achieving a slow-cure effect. Common chemical modifiers include aliphatic amines, aromatic amines, and other reactive additives.
- Physical Modifiers: These curing agents alter the molecular structure or morphology of the resin to reduce its fluidity, thereby延缓（delaying）the curing process. Examples include silane coupling agents, polyether polyols, and other viscosity-modifying additives.
3. Applications of Slow-Curing Epoxy Resin Curing Agents
Slow-curing epoxy resin curing agents are widely used in engineering projects requiring extended curing times, such as:
- Floor coatings
- Anti-corrosion coatings
- Electronic encapsulation materials
By incorporating slow-cure agents, common施工缺陷（construction defects）such as bubbles, cracks, and uneven surfaces can be avoided. Additionally, the mechanical properties and weather resistance of the final material are enhanced.
4. Future Development Trends of Slow-Curing Epoxy Resin Curing Agents
Driven by technological advancements and market demands, the development of slow-curing epoxy resin curing agents is evolving in the following directions:
- Environmental Friendliness: Low-toxicity, pollution-free formulations will become a priority in research and development.
- Multifunctional Integration: Future slow-cure agents are expected to combine additional functionalities, such as reinforcement, flame retardancy, and UV resistance, to meet diverse application needs.
- Intelligent Control: Real-time monitoring and automated adjustment of the curing process via smart sensors and systems will improve efficiency and product quality.
- Customized Solutions: Tailored slow-cure agents with specific performance metrics will be developed to address niche industry requirements.
As a critical material in epoxy resin applications, slow-curing epoxy resin curing agents play a vital role in enhancing工程quality（engineering quality）and work efficiency. With ongoing technological progress and expanding markets, these agents are poised to embrace broader development prospects.
