Ethanol-Based Epoxy Curing Agent

1、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).

2、Bio

Improving the toughness of epoxy resin (EP) while maintaining its strength is still considered a huge challenge. Herein, a novel bio-based curing agent, PA–DAD, has successfully been developed for EP that provides both mechanical reinforcement and flame retardancy.

3、Ethanol

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.

Epoxy curing agents

Harness the power of innovation with our premium epoxy curing agents designed to meet the diverse needs of modern industries. At Evonik Crosslinkers, we leverage advanced technologies to develop high-performance curing agents that enhance productivity, durability, and sustainability.

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.

Curing Behavior and Thermomechanical Performance of Bioepoxy Resin

The epoxy resin system: function and role of curing agents

Epoxy resins are frequently used in electrical devices, castings, packaging, adhesive, corrosion resistance, and dip coating. In the presence of curing agents, epoxy resins become rigid and infusible. Eco-friendliness and mechanical functionality have emerged as vulcanization properties.

Optimal processing conditions of a bio

In this paper, we present a new synthesis method of a bio-based epoxy resin from vanillyl alcohol as the primary resource with promising thermal and mechanical properties.

Synthesis, curing kinetics and properties of vanilla alcohol

A bio-based epoxy resin (DGEVA) was synthesized from renewable vanilla alcohol. A novel bio-based epoxy resin system (DGEVA/MeHHPA) was prepared by using methyl hexahydrophthalic anhydride (MeHHPA) as the curing agent.

211005_WP_Epoxy Curing Agents _en_Freigabe.indd

Epoxy adhesives essentially consist of an epoxy resin and a curing agent. Usually, the epoxy resins are monomeric or oligomeric, bi- or polyfunctional oxiranes which are mainly derived from bisphenols or polyphenols.

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:

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

IV. Applications of Ethanol-Based Epoxy Curing Agents

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

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