N,N,N',N'-Tetramethyldipropylenetriamine (CAS 6711-48-4) is a multifunctional polyamine compound with extensive applications across multiple industries, thanks to its strong basicity, excellent catalytic activity, and good compatibility.Nantong Lanpu Chemical supplies high-purity POLYCAT-15 to support the following critical sectors:
1. Polyurethane (PU) Industry
N,N,N',N'-Tetramethyldipropylenetriamine exhibits slight selectivity for the urea (isocyanate-water) reaction, effectively regulating the balance between foaming and gelation reactions during PU foam production. Unlike volatile amine catalysts, POLYCAT-15 contains active hydrogen, which enables it to easily react into the polymer matrix, eliminating volatile emissions and meeting environmental protection requirements. Nantong Lanpu Chemical’s POLYCAT-15 is widely used in the production of both flexible and rigid polyurethane foams. In flexible PU foams , it optimizes foam cell structure, improving the foam’s elasticity, resilience, and comfort. In rigid PU foams, it enhances the foam’s thermal insulation performance, dimensional stability, and mechanical strength. When used in combination with other amine catalysts, POLYCAT-15 can further optimize the reaction rate and product performance, meeting the diverse needs of different PU production processes.
2. Epoxy Resin Industry
In the epoxy resin industry, N,N,N',N'-Tetramethyldipropylenetriamine serves as an efficient curing accelerator, especially for one-component epoxy systems. It can be used in combination with anhydride curing agents to significantly reduce the curing temperature while shortening the curing time, improving production efficiency and reducing energy consumption. The cured epoxy resins modified with POLYCAT-15 exhibit excellent adhesion, corrosion resistance, electrical insulation, and mechanical properties, making them suitable for electronic packaging, composite materials, and anti-corrosion coatings.
3. Organic Synthesis Industry
As a strong organic base catalyst, N,N,N',N'-Tetramethyldipropylenetriamine is widely used in various organic synthesis reactions. Its strong basicity enables it to effectively promote epoxy ethane/epoxy propane ring-opening polymerization, a key step in the production of polyether polyols . Additionally, POLYCAT-15 is an effective catalyst for Michael addition, Knoevenagel condensation, and other reactions, which are critical for the synthesis of pharmaceutical intermediates, agrochemicals, and specialty chemicals.
4. Surface Treatment and Corrosion Inhibition
N,N,N',N'-Tetramethyldipropylenetriamine has good surface activity and corrosion inhibition properties, making it suitable for surface treatment applications. In industrial water treatment and metal processing fluids, it can adsorb on the metal surface to form a protective film, effectively inhibiting acid corrosion and extending the service life of metal equipment. As a corrosion inhibitor component, it is widely used in cooling water systems, metal cleaning agents, and metal processing fluids. Additionally, POLYCAT-15 can be compounded with long-chain fatty acid derivatives to form emulsifiers, which are used in pesticide emulsifiers and petroleum demulsifiers, improving the stability and effectiveness of these products.
5. Other Industrial Applications
Beyond the above major applications, N,N,N',N'-Tetramethyldipropylenetriamine has diverse uses in other industrial sectors. In the energy chemical industry, it is used as a component of amine-based absorbents in natural gas desulfurization and refinery acid gas treatment, effectively removing H₂S and CO₂ impurities. In the electroplating industry, it acts as a pH regulator in electroplating baths, improving the uniformity and brightness of metal coatings. Additionally, POLYCAT-15 can be used as a fixing agent for textiles and paper, improving their wash resistance and water resistance.
