Dabco T-12N is a chemical additive primarily used in the production of polyurethane foams, coatings, adhesives, and sealants. Here are the key details based on the provided technical information:
Chemical Composition
- Chemical Name: Dibutyltin Dilaurate (DBTDL)
- Trade Name: Dabco T-12N
Description
- Function: Dabco T-12N acts as a catalyst in polyurethane systems, specifically promoting the reaction between polyols and isocyanates. This catalysis is crucial for the formation of flexible and rigid polyurethane materials.
- Special Properties:
- Promotes rapid gelation and tack-free times.
- Improves mechanical properties in molded and slabstock foams.
- Synergistic effect with amine catalysts for enhanced catalytic activity.
Applications
- Primary Use: Manufacturing of rigid polyurethane foams, particularly in applications requiring rapid catalysis and high-density structural requirements.
- Other Applications: Also used in spray-up wall insulation, rigid boardstock, two-component adhesives, and moisture-cure coatings.
Physical Properties
- Appearance: Light yellow liquid
- Flash Point: > 204°C (PMCC)
- Viscosity: 125 mPa-s (25°C)
- Density: 1.03 g/cm³ (21°C)
- Calculated OH Number: Not specified
- Water Solubility: Insoluble
Storage and Shelf Life
- Shelf Life: 24 months from the date of manufacture, if stored in factory-packed containers.
- Storage Conditions: Recommended storage temperature between 10°C and 30°C. Avoid extreme temperatures and moisture.
Safety and Handling
- Hazard Classification: Information regarding classification and labeling according to chemical transport regulations is available in the safety data sheets.
- Safety Measures: Guidelines for storage, handling, and emergency procedures in case of accidents or fires are provided.
Conclusion
Dabco T-12N plays a critical role in enhancing the performance and efficiency of polyurethane production processes, ensuring rapid curing times and improved mechanical properties in various applications ranging from foam production to coatings and adhesives. Its stability and effectiveness make it a preferred choice in demanding industrial applications where precise catalysis is essential.
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