Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Momentive SILQUEST A-2120 Silane Coupling Agent

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

Features Of Momentive SILQUEST A-2120 Silane Coupling Agent

  1. Dual Functionality - Vinyl bonds with polymers; ethoxy links to fillers/metals

  2. Process Optimization - Reduces viscosity (0.911 g/cm³) for smoother processing

  3. Crosslinking Efficiency - Forms Si-O-Si networks resistant to moisture/UV

  4. Multi-Matrix Compatibility - Works with polyolefins, elastomers, and unsaturated polyesters

  5. Sustainability - Halogen-free, low VOC (<50 g/L

Typical Applications Of Momentive SILQUEST A-2120 Silane Coupling Agent

  1. Structural Adhesives - Enhances bonding in PU/epoxy systems for metals/glass

  2. FRP Composites - Glass fiber sizing for high-strength composites

  3. Anti-Corrosion Coatings - Metal primers with superior chemical resistance

  4. Rubber Compounding - Silica-filled EPDM for cables and seals

Specifications Of Momentive SILQUEST A-2120 Silane Coupling Agent

Chemical NameN-(β-aminoethyl)-γ-aminopropylmethyldimethoxysilane
CAS No.3069-29-2
Molecular Weight206.4 g/mol
Density (20°C)0.965-0.975 g/cm³
Flash Point93°C (closed cup)


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