1、Epoxy Curing Agents

Aliphatic amines find use in civil engineering (e.g., patch repair systems, flooring), high-solids coatings, adhesives, wet lay-up laminating, small electrical encapsulation and are used to accelerate other amine curing agents.

2、Epoxy Curing Agents

Anquawhite 100 is the only waterborne epoxy curing agent that dries to a completely clear finish at any thickness in coating systems and maintains colour stability. It is ideal for industrial concrete coatings, top finishing coatings, stone flooring, parquet floors and lacquers.

3、Formulating High

rmance waterborne epoxy coatings cannot be formulated. We have structured this paper to emphasize preferred formulating concepts, and to identify specific materials (pigments, fillers, additives, etc.) which we or othe.

High Performance Waterborne Coatings Based on Dispersions of a Solid

Most commercially available waterborne epoxy coat-ing systems are composed of a hydrophobic epoxy resin component and a hydrophilic, amine-functional curing agent.

Self

Self-curing waterborne epoxy coatings represent an innovative advancement in coating technology, combining environmental friendliness with high performance. This chapter explores their unique chemistry, which enables self-curing through water evaporation, eliminating the need for manual mixing.

EPIKURE Epoxy Curing Agents

Agent – 3200 Series 8–9 These aliphatic amine curing agents offer a very high degree of chemical resistance, rapid room temperature cure, low color and viscosity, and high h. at distortion temperatures. Modified aliphatic amines have lower volatility and much lower tendency to blush than nea.

Formulating novel aqueous epoxy

To overcome the limitations of the Type I approach, waterborne systems based on high molecular weight solid epoxy resins were developed. Solid epoxies are supplied pre-dispersed at 50-55% solids in water and co-solvent.

Synthesis and Characterization of Waterborne Epoxy Curing Agent

In this work, a novel waterborne epoxy curing agent modified by silane was prepared using 3-glycidoxypropyltrimethoxysilane ( GPTMS) and C12 acyclic glycidyl ether (AGE) as a termination agent of adduct, which was synthesized by triethylene tetra- mine (TETA) and liquid epoxy resin (E-51). The structure of the curing agent was characterized.

Waterborne Curing Agents

Achieve reliable performance and compatibility across most epoxy dispersions with Cardolite curing agents for waterborne epoxy coatings. The portfolio includes both solution- and emulsion-type chemistries, providing formulators with flexibility across a wide range of applications.

Waterborne Resins

View our full portfolio of resins using water as a solvent to meet high regulatory demands. Talk to our experts today & be faster & more competitive.

In modern industry and construction, epoxy materials are widely utilized across various fields due to their exceptional performance. Epoxy materials, particularly epoxy resins, are favored for their excellent mechanical strength, chemical resistance, and electrical insulation properties. traditional epoxy resins often release high levels of volatile organic compounds (VOCs) during the curing process, posing environmental and health risks. With the increasing stringency of environmental regulations and growing emphasis on sustainability, developing low- or zero-VOC epoxy curing agents has become an urgent necessity.

Against this backdrop, waterborne high-solids epoxy curing agents have emerged as a revolutionary solution. They not only address the high-VOC emissions associated with conventional curing agents but also transform the coatings industry. These curing agents are aqueous epoxy systems that significantly reduce or eliminate VOC emissions. Their use enhances the environmental friendliness of coating products during production and application, aligning with contemporary society’s stringent environmental standards.

The preparation process for waterborne high-solids epoxy curing agents is relatively straightforward, primarily involving the crosslinking reaction between epoxy groups and hydrophilic polymers. These polymers are typically copolymers of polyether- or polyester-based polyols and polyacids, which exhibit good solubility and stability in water. They effectively encapsulate and disperse epoxy resin molecules, forming uniform and stable emulsions. During curing, these polymers gradually hydrolyze into smaller molecules, releasing water and promoting the polymerization and hardening of the epoxy resin.

Compared to traditional epoxy curing agents, waterborne high-solids epoxy curing agents offer several key advantages:

1. Environmental Friendliness: By eliminating or minimizing VOC content, these agents reduce pollution to the atmosphere and water bodies during production and use.
2. Safety: Being water-based, they are non-flammable and less explosive, significantly lowering safety risks during handling and application.
3. Ease of Application: These agents typically exhibit good fluidity and workability, curing rapidly at low temperatures to save time and costs.
4. Superior Performance: While their initial physical properties may lag behind solvent-based counterparts, optimized formulations and processing techniques enable them to match or exceed the performance of traditional epoxy materials.

Despite these benefits, challenges remain. For instance, waterborne epoxy curing agents often exhibit poorer water and chemical resistance, limiting their use in harsh environments. Additionally, their higher costs compared to traditional agents pose a barrier to widespread adoption.

To overcome these hurdles, researchers are exploring new formulations and production methods. For example, incorporating nanofillers or surfactants can improve water and chemical resistance, while process optimization aims to reduce costs. As technology advances and environmental awareness grows, waterborne high-solids epoxy curing agents are poised to play an increasingly vital role in future industrial and construction applications.