Momentive SILQUEST A-2120 (N-(β-aminoethyl)-γ-aminopropylmethyldimethoxysilane) Silane Coupling Agent enhances adhesion between organic resins (e.g., epoxy, polyurethane) and inorganic substrates (e.g., glass, metals) via its dual amino and methoxy groups. It improves mechanical strength, wet adhesion (>90% retention), and filler dispersion in coatings, adhesives, and composites. Compatible with water-based systems, it enables rapid curing at ambient temperatures while complying with REACH standards
Dual Functionality - Vinyl bonds with polymers; ethoxy links to fillers/metals
Process Optimization - Reduces viscosity (0.911 g/cm³) for smoother processing
Crosslinking Efficiency - Forms Si-O-Si networks resistant to moisture/UV
Multi-Matrix Compatibility - Works with polyolefins, elastomers, and unsaturated polyesters
Sustainability - Halogen-free, low VOC (<50 g/L
Structural Adhesives - Enhances bonding in PU/epoxy systems for metals/glass
FRP Composites - Glass fiber sizing for high-strength composites
Anti-Corrosion Coatings - Metal primers with superior chemical resistance
Rubber Compounding - Silica-filled EPDM for cables and seals
Chemical Name | N-(β-aminoethyl)-γ-aminopropylmethyldimethoxysilane |
CAS No. | 3069-29-2 |
Molecular Weight | 206.4 g/mol |
Density (20°C) | 0.965-0.975 g/cm³ |
Flash Point | 93°C (closed cup) |
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