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Highly effective tertiary amine catalyst for polyurethane foam formation, especially in flexible slabstock and molded foam systems.
Offers excellent balance of reactivity and flow control, enabling uniform cell structure and improved dimensional stability.
Low volatility and reduced odor profile compared to conventional DABCO®-type catalysts, supporting safer handling and lower VOC emissions.
Compatible with a broad range of polyols, isocyanates, and auxiliary additives, ensuring formulation flexibility.
Stable performance across varying ambient temperatures and humidity levels, enhancing process robustness in industrial production.
Flexible polyurethane slabstock foam for bedding and furniture manufacturing.
Automotive interior molded foams, including seat cushions and headrests.
Carpet underlay and acoustic damping foam applications.
Industrial packaging and protective cushioning foams.
Water-blown and low-emission foam formulations compliant with indoor air quality standards (e.g., CA 01350, Greenguard).
| Chemical Type | Tertiary amine (N,N-dimethylethanolamine derivative) |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow clear liquid |
| Primary Applications | Catalyst for flexible polyurethane foam production |
| Key Features | Low-odor, balanced gelling/foaming activity, good hydrolytic stability |
| Benefits | Improved processing window, enhanced foam uniformity, reduced worker exposure concerns |
| Density (20 °C) | Approx. 0.92–0.94 g/cm³ |
| Refractive Index (20 °C) | 1.440–1.450 |
Q1: What is the primary function of TEGOAMIN DMEA in polyurethane systems?
A: TEGOAMIN DMEA is a tertiary amine catalyst that primarily promotes the urethane reaction (isocyanate–polyol coupling), enabling efficient gelation and foam stabilization in flexible and semi-rigid PU foams. It offers balanced reactivity with reduced odor impact compared to stronger aliphatic amines.
Q2: How does TEGOAMIN DMEA compare to other common amine catalysts like triethylenediamine (DABCO) or dimethylcyclohexylamine (DMCHA)?
A: Unlike highly reactive catalysts such as DABCO, TEGOAMIN DMEA delivers more moderate gelling activity and lower volatility, resulting in improved processing window control and reduced emissions during foam production. It also exhibits better compatibility with water-blown systems than many aromatic amines.
Q3: Is TEGOAMIN DMEA suitable for low-emission or automotive-grade foam formulations?
A: Yes — its relatively low vapor pressure and favorable odor profile make it well-suited for applications requiring reduced VOC emissions, including interior automotive foams where odor and fogging performance are critical. It is often selected as part of optimized catalyst blends to meet stringent OEM requirements.
Q4: What is the typical dosage range for TEGOAMIN DMEA in flexible slabstock foam formulations?
A: Dosage depends on formulation requirements and desired processing characteristics, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight relative to polyol — often in combination with other catalysts to fine-tune cream, rise, and cure profiles.
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