BRB Aminofunctional Organosilanes – Coupling Agents & Adhesion Promoters
31 October 2025

Aminofunctional organosilanes are versatile coupling agents containing amino groups bonded to silicon through alkoxy or silanol groups. This unique dual functionality allows them to link organic polymers with inorganic substrates, making them essential in adhesives, coatings, sealants, and medical device applications.
✨ Key Benefits:
✅ Superior Adhesion – Acts as molecular bridge between dissimilar materials, improving strength and durability.
✅ Enhanced Chemical Resistance – Amino groups provide reactivity for crosslinking, while silanol groups form strong covalent bonds with inorganic surfaces.
✅ Versatile Applications – Ideal for epoxy resins, polyurethanes, polyamides, and composites.
✅ Improved Processability – Compatible with water-based systems, reducing reliance on solvent-based formulations.

📦 BRB Product Portfolio:
  • Silanil® 138 – 3-Aminopropyltrimethoxysilane (CAS 13822-56-5)
  • Silanil® 176 – N-(2-Aminoethyl)-3-aminopropyltrimethoxysilane (CAS 1760-24-3)
  • Silanil® 307 – N-(2-Aminoethyl)-3-aminopropylmethyldimethoxysilane (CAS 3069-29-2)
  • Silanil® 505 – N-(2-Aminoethyl)-3-aminopropyltriethoxysilane (CAS 5089-72-5)
  • Silanil® 581 – 3-Aminopropyltriethoxysilane aqueous solution (CAS 58160-99-9)
  • Silanil® 919 – 3-Aminopropyltriethoxysilane (CAS 919-30-2)
  • Silanil® 312 – N-(n-Butyl)-3-aminopropyltrimethoxysilane (CAS 31024-56-3)
💬 Learn more:
At BRB, we continuously develop innovative silane solutions to enhance adhesion, durability, and performance across multiple industries.

👉 For more details about our aminofunctional organosilanes portfolio or to discuss tailored solutions, feel free to connect with us or visit www.brb-international.com.


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