Hegrecat DMEA (N,N-Dimethylethanolamine, CAS: 108-01-0)

Home
Products
Polyurethane
Flexible Foam Catalyst
Hegrecat DMEA (N,N-Dimethylethanolamine, CAS: 108-01-0)

Appearance: Colorless to pale yellow liquid

Key Properties:

DMEA's unique molecular structure, featuring both a tertiary amine group and a hydroxyl group, endows it with remarkable reactivity. It can partake in diverse reactions characteristic of amines and alcohols. Soluble in water and miscible with many organic solvents such as ether, acetone, and aromatic hydrocarbons, DMEA offers great versatility in formulation. As a catalyst, it has a balanced catalytic action. In polyurethane systems, it can moderately accelerate the reaction between isocyanates and polyols. The hydroxyl group in DMEA can react with isocyanate groups, integrating into the polymer chain. This not only contributes to the cross - linking of the polyurethane network but also makes DMEA a reaction - type catalyst, in contrast to some volatile catalysts. Its alkaline nature allows it to effectively neutralize trace acids present in the reaction system, maintaining the stability of other amines involved in the reaction.

Applications

Polyurethane Foam Production

Flexible and Rigid Foams: DMEA serves as a valuable catalyst in the production of both flexible and rigid polyurethane foams. In flexible foams for furniture upholstery and automotive seating, it helps in achieving a uniform cell structure, enhancing the foam's resilience and comfort. For rigid foams used in insulation applications like building insulation panels and refrigeration equipment, DMEA promotes the formation of a closed - cell structure. This closed - cell arrangement significantly reduces heat transfer, improving the foam's thermal insulation properties. It can be used alone or in combination with other amine catalysts, providing flexibility in formulating foam products with different performance requirements.

Coatings and Paints

In the coatings industry, DMEA plays multiple roles. It acts as a neutralizing agent for water - based paints and coatings. By adjusting the pH levels, it enhances the stability and durability of the paint, varnish, or lacquer. In addition, DMEA can improve the solubility of resins in water - based systems. Resin molecules with carboxyl groups can react with DMEA to form salts, increasing the resin's water - solubility. This property is particularly useful in the production of water - dilutable coatings, where DMEA helps achieve a smooth and stable coating film.

Other Industrial Applications

DMEA is also used in the synthesis of various chemicals. For example, it is an intermediate in the production of surfactants, corrosion inhibitors, and pharmaceutical intermediates. In the field of ion - exchange resins, it can be used to synthesize certain types of anion - exchange resins. Additionally, in water treatment, DMEA can be involved in the synthesis of cationic flocculants, which are important for purifying water in both industrial and municipal settings.

Our DMEA product is of high purity, typically reaching 99.95% or above. Stringent quality control measures are implemented throughout the production process to ensure consistent performance. Whether you are in the polyurethane manufacturing, coatings, or other related industries, our DMEA can meet your high - quality requirements, helping you produce outstanding products.

Package

Drum