1、From renewable biomass to bio

Through molecular design and synthesis, alternative bio-based products with close properties to petroleum-based epoxy resins were exploited, and then bio-based epoxy resins with excellent and unique properties were developed.

2、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.

3、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).

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.

Epoxy

The curing agents sold under the Baxxodur® trademark, such as polyether amines, aliphatic and cycloaliphatic amines, differ in molecular structure, basicity and number of functional groups.

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 Impact of Various Curing Agents on Bio

In this study, we aim to enhance the efficiency of a bioepoxy resin by examining the impact of a variety of curing agents on their different properties. This research intends to determine the most effective curing agent for bio-based epoxy resins to enhance their overall performance.

New resveratrol based Mannich epoxy resin curing agent

This study focuses on the preparation of a phenolic amine bio-based epoxy curing agent (RFA) through a one-pot Mannich reaction involving resveratrol, followed by the curing of bisphenol A E51 epoxy resin.

NORTH AMERICA EPOXY CURING AGENTS

Olin offers a robust portfolio of epoxy products, including a diverse range of curing agent chemistries and individual grades, to help meet specific formulating and application requirements.

The epoxy resin system: function and role of curing agents

It requires both epoxy monomers and curing agents, numerous bio-based epoxy thermosets have been developed. It has a significant impact on the behaviour of well-cured epoxies.

Ethanol-Based Epoxy Curing Agent

Epoxy resin is a high-performance thermosetting polymer widely used in various industrial fields due to its excellent mechanical properties, chemical resistance, and electrical insulation. It forms a three-dimensional network structure through reaction with a curing agent, thereby acquiring the desired physical and chemical properties. The selection of the curing agent is critical in epoxy resin applications, as different curing agents exhibit distinct performance characteristics and suitability for specific scenarios.

I. What Are Epoxy Resins and Their Curing Agents?

Epoxy resin is a high-molecular-weight compound synthesized from phenolic varnish or aliphatic diols and polyphenols or polybasic acids. It boasts good adhesiveness, flexibility, wear resistance, and corrosion resistance, along with easy processability. Curing agents, on the other hand, are substances capable of reacting with epoxy resins, typically providing active hydrogen atoms or enabling ring-opening polymerization with epoxy groups.

II. Reaction Mechanism of Epoxy Resin and Curing Agent

When epoxy resin interacts with a curing agent, the active hydrogen atoms in the curing agent initiate a ring-opening polymerization reaction with the epoxy groups, forming new chemical bonds. This process converts the resin into a three-dimensional crosslinked structure, accompanied by exothermic reactions that rapidly harden and solidify the material.

III. Characteristics of Ethanol-Based Epoxy Curing Agents

Ethanol-based epoxy curing agents are commonly used due to the following features:

1. Low VOC Content: Formulated with ethanol as a low-volatile solvent, these curing agents reduce volatile organic compound (VOC) emissions, benefiting environmental protection.
2. Excellent Adhesion: They bond effectively to diverse substrates (e.g., metals, ceramics, glass), suitable for various bonding applications.
3. Rapid Curing: High reactivity enables quick curing, enhancing production efficiency.
4. Cost-Effective: Compared to advanced curing agents, ethanol-based options offer lower material costs.

IV. Applications of Ethanol-Based Epoxy Curing Agents

1. Electronic Encapsulation: Used in packaging electronic components like integrated circuits and semiconductor devices, providing superior electrical insulation and mechanical strength.
2. Aerospace: Employed in manufacturing aircraft and spacecraft parts (e.g., fuselages, engine components) due to high strength and heat resistance.
3. Automotive Industry: Applied in bonding and repairing automotive parts (e.g., bodies, chassis, interiors) for耐磨性（wear resistance）and corrosion resistance.
4. Construction: Utilized in concrete reinforcement, waterproofing, and structural repairs for buildings and bridges.

V. Future Prospects of Ethanol-Based Epoxy Curing Agents

With growing environmental awareness and advancements in materials science, demand for ethanol-based epoxy curing agents continues to rise. Key development trends include:

1. Eco-Friendly Formulations: Developing low-VOC or VOC-free curing agents to meet stringent environmental regulations.
2. Multifunctional Capabilities: Research into self-healing, conductive, or other functional properties to expand application fields.
3. Smart Manufacturing: Leveraging automation and AI to improve production efficiency and quality control.
4. Customized Solutions: Providing tailored curing agents to address specific client requirements.

ethanol-based epoxy curing agents play a vital role in industries ranging from adhesives to protective coatings. As technology advances and markets expand, they will continue to contribute to innovation across sectors while maintaining sustainability and cost-effectiveness.