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High catalytic activity for urethane and polyurea reactions at ambient to moderate temperatures.
Excellent selectivity with minimal side reactions, supporting consistent product quality and reduced byproduct formation.
Good solubility in common polyol and isocyanate systems, enabling homogeneous dispersion and uniform reaction kinetics.
Low volatility and thermal stability up to 150 °C, enhancing process safety and handling reliability.
Compatible with both aromatic and aliphatic isocyanates, offering formulation flexibility across diverse polyurethane chemistries.
Flexible and rigid polyurethane foam production, including slabstock, molded, and spray applications.
Coatings and adhesives requiring fast cure development and excellent film integrity.
Sealants and elastomers where controlled reactivity and pot life management are critical.
Reaction injection molding (RIM) and structural foam systems demanding precise gel-time control.
Water-blown and low-VOC formulations seeking efficient amine catalysis without strong odor or volatility concerns.
| Chemical Type | Tertiary amine catalyst |
| Product Form | Liquid |
| Appearance | Clear, colorless to pale yellow liquid |
| Primary Applications | Polyurethane foam, coatings, adhesives, sealants |
| Key Features | Reactivity balance, low volatility, broad compatibility |
| Benefits | Improved processing control, enhanced physical properties, reduced emissions |
| Storage Conditions | Store in tightly closed containers at 15–25 °C, away from moisture and strong oxidizers |
| Regulatory Status | REACH registered; not classified as hazardous under GHS (as supplied) |
Q1: What is the primary function of Eastman Benzyl dimethylamine Catalyst in polymer systems?
A: It serves as a highly active tertiary amine catalyst for urethane and epoxy reactions—particularly effective in promoting the reaction between isocyanates and hydroxyl groups during polyurethane foam formation and coating cure processes.
Q2: How does this catalyst compare to other tertiary amine catalysts in terms of volatility and odor profile?
A: Eastman Benzyl dimethylamine exhibits lower volatility and reduced volatility-related handling concerns compared to simpler aliphatic amines like triethylamine, and its benzyl-substituted structure contributes to a milder odor profile—making it suitable for applications where worker exposure and ambient emissions are considerations.
Q3: Is this catalyst compatible with moisture-sensitive formulations?
A: While it is not classified as a moisture-scavenging agent, Eastman Benzyl dimethylamine is generally stable under typical processing conditions and does not react aggressively with ambient moisture—however, like most amine catalysts, prolonged exposure to high humidity may affect performance consistency, so standard good manufacturing practices for amine handling are recommended.
Q4: What is the typical dosage range when using this catalyst in flexible polyurethane foam production?
A: It is typically used at low concentrations—generally ranging from 0.1% to 2% by weight relative to the polyol component—depending on desired reactivity balance, foam density, and processing requirements such as cream time and rise profile.
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