Momentive A-2120 (N-(β-aminoethyl)-γ-aminopropylmethyldimethoxysilane) is a diamino-functional silane coupling agent that enhances adhesion between organic resins (e.g., epoxy, polyurethane) and inorganic substrates (e.g., glass, metals). It improves mechanical strength, water resistance, and chemical stability in composites, coatings, and adhesives. Compatible with solvent/water-based systems, it enables rapid curing at ambient temperatures while complying with REACH standard
Dual Reactivity - Amino groups bond with resins; methoxy links to fillers/metals
Wet Adhesion - Maintains >90% bond strength after water immersion
Process Efficiency - Lowers viscosity for easier filler dispersion
Multi-Matrix Compatibility - Effective with epoxy, phenolic, and polyurethane resins
Sustainability - Halogen-free, suitable for eco-friendly formulations
Foundry Coatings - Reduces resin usage in phenolic-coated sand cores
Textile Softeners - Amino-silicone oils for breathable fabrics
Structural Adhesives - Enhances bonding to glass/aluminum in sealants
Composite Reinforcement - Glass fiber sizing for FRP strength
Anti-Corrosion Coatings - Improves metal substrate adhesion
Chemical Name | N-(β-aminoethyl)-γ-aminopropylmethyldimethoxysilane |
Appearance | Colorless to light yellow transparent liquid |
Molecular Weight | 206.36 |
Specific Gravity (25/25℃) | 0.97 g/ml |
Boiling Point (760mmHg) | 232℃ |
Flash Point (Sealed Cup) | 93℃ |
Refractive Index (25℃) | 1.445 |
Packaging | 20KG/drum, 25KG/drum |
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