1、Substituting the epoxy curing agent with a greener solution

This paper presents the prediction of mechanical properties by replacement of conventional curing agent with amine derivative synthesized from bio-degradable resource in a thermoset epoxy resin system.

2、A Comparative Guide to Epoxy Resin Curing Agents: Alternatives to 2

The following table summarizes the quantitative performance data for various curing agents for a standard Diglycidyl Ether of Bisphenol A (DGEBA) epoxy resin. It is important to note that these values are representative and can vary based on the specific epoxy resin, formulation, and curing schedule. ... Note: "RT" denotes Room Temperature.

3、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.

4、Blocked isocyanates as alternative curing agents for epoxy

We obtained high molecular weight epoxy resin using epoxidized and hydroxylated soybean oil in the epoxy fusion process with bisphenol A (BPA) or subsequently with low molecular weight epoxy resin (EPR 162).

Using thermokinetic methods to enhance properties of epoxy resins with

Using biomolecules instead of synthetic curing agents can significantly reduce composites' toxicity and petrol-based carbon content. This study considerably exceeds the thermo-mechanical...

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.

Dicyandiamide vs. Other Latent Curing Agents for Epoxy Resins: A

However, a range of other latent curing agents, including modified amines, imidazoles, and hydrazides, offer distinct advantages in terms of lower cure temperatures, faster cure speeds, and tailored performance profiles.

(PDF) Substituting the epoxy curing agent with a greener solution

This paper presents the prediction of mechanical properties by replacement of conventional curing agent with amine derivative synthesized from bio-degradable resource in a thermoset epoxy...

Ionic Liquids as Alternative Curing Agents for Conductive Epoxy/CNT

This study demonstrates that ILs can be used to successfully replace traditional amine-based curing agents for the production of electrically conductive epoxy/CNT NCs and adhesives, as a similar or better balance of properties was achieved.

Eco

To overcome this dilemma, the liquid amine curing agent AEESN was synthesized from bio-based eugenol and cysteamine, and then furnished the polymerization with three epoxy monomers, viz. DGEBA, TGAP, and TGDDM, respectively.

Epoxy resin, widely used in modern industry and construction as an adhesive, is indispensable in many applications due to its excellent physical properties, chemical stability, and electrical insulation. with growing environmental awareness, finding eco-friendly substitutes with comparable performance has become an inevitable trend. This article explores alternative options for epoxy resin curing agents.

The choice of epoxy resin curing agents is critical, as it directly impacts the final material properties. Traditional epoxy curing agents often contain volatile organic compounds (VOCs), which can evaporate into the air during curing, posing environmental and health risks. identifying alternatives is a key step toward sustainable development.

Bio-based Curing Agents

Bio-based curing agents are chemicals derived from natural or renewable resources, designed to replace traditional petroleum-based curing agents. These agents, typically made from plant extracts, animal fats, or other biomass resources, are characterized by low toxicity and volatility. For example, soy-based curing agents, produced by extracting fatty acids from soy oil, offer strong adhesion and environmental friendliness.

Waterborne Epoxy Curing Agents

Unlike traditional solvent-based epoxy curing agents, waterborne epoxy curing agents use water as a solvent. This system reduces VOC emissions and leverages water’s self-healing properties, offering unique advantages in specific applications. For instance, in electronic encapsulation and coatings industries, waterborne epoxy curing agents are favored for their excellent adhesion and chemical resistance.

Photoinitiated Curing Agents

In recent years, photoinitiated curing technology has gained attention due to its solvent-free, rapid curing, and eco-friendly characteristics. Photoinitiated curing agents react upon exposure to ultraviolet (UV) or visible light, eliminating the need for organic solvents and significantly reducing VOC emissions. This method applies not only to epoxy resins but also to other adhesive systems.

Nanomaterial-based Curing Agents

Nanomaterials, with their unique surface properties and size effects, can enhance curing processes by improving adhesion strength, electrical conductivity, and other functionalities. Combining nanomaterials with epoxy resins has led to the development of advanced composites. For example, carbon nanotubes and graphene have been successfully integrated into epoxy systems, boosting mechanical strength and thermal stability.

As technology advances and society evolves, substitution options for epoxy resin curing agents are diversifying. From bio-based and photoinitiated curing agents to nanomaterial-based solutions, these innovative alternatives meet modern industrial demands while demonstrating significant environmental potential. Future research will continue to explore eco-friendly and high-performance curing agents to address increasingly stringent environmental and functional requirements.