Silquest A-2120, N(beta-aminoethyl) gamma-aminopropylmethyldimethoxysilane, is a diamino functional silane that may be used over a broad range of applications. It is used to promote the adhesion of amino-reactive resins such as silicone, silylated polyurethane, two-part urethanes and two-part epoxies to inorganic surfaces, plastic surfaces, and inorganic fillers or reinforcements.

Silquest A-2120 finds use as:

• Adhesion promoters in polysulfide, polyvinyl chloride plastisol, silicone two-part urethanes and epoxy adhesives and sealants
• Additives in phenolic and epoxy molding compounds
• Additives to latex coatings, adhesives and sealants
• Adhesion promoters in one-part silylated urethane adhesives and sealants based on the Momentive Performance Materials SPUR* prepolymer technology

Features & Benefits

Polyamino Functionality

• Provides reactive site for aminoreactive resins
• Good wetting of substrates

Silquest A-2120 Difunctional Silane

• Excellent adhesion to inorganic substrates such as metal, glass, etc
• Superior adhesion to plastics when employed in SPUR Technologybased adhesives or sealants
• Provides as much as a 35% improvement in elongation over Silquest A-1120 silane
• Provides superior stability in waterborne systems over other trifunctional amino silanes