N-n-Butyl-3-aminopropyltrimethoxysilane: A Key Component for Improved Adhesion and Durability in Various Applications

N-n-Butyl-3-aminopropyltrimethoxysilane, also known as Evonik Degussa Dynasylan 1189, is a versatile silane coupling agent used in various industries. This chemical compound is widely used as an adhesion promoter, surface modifier, and crosslinking agent due to its unique chemical structure and excellent properties.

INNO SPECIALTY CHEMICALS, a leading chemical manufacturer and supplier from China, produces high-quality N-n-Butyl-3-aminopropyltrimethoxysilane for a wide range of applications. In this article, we will discuss the properties, benefits, and applications of this essential chemical compound.

Properties and Benefits of N-n-Butyl-3-aminopropyltrimethoxysilane

N-n-Butyl-3-aminopropyltrimethoxysilane is a colorless to pale yellow liquid with a molecular weight of 257.4 g/mol. It has a boiling point of 202°C and a density of 0.94 g/cm³ at 20°C. This chemical compound is soluble in water, ethanol, and other organic solvents, making it easy to handle and mix with other materials.

The unique chemical structure of N-n-Butyl-3-aminopropyltrimethoxysilane provides excellent adhesion and surface modification properties. The chemical has a trimethoxysilyl group that can react with various surfaces, including metals, ceramics, and polymers, to form a covalent bond. This bond increases the surface energy of the substrate, making it more receptive to coatings, adhesives, and other materials.

N-n-Butyl-3-aminopropyltrimethoxysilane also has an amino group that can react with isocyanates and epoxies to form crosslinked structures. This crosslinking improves the mechanical properties of the material, such as tensile strength, impact resistance, and durability. Moreover, the chemical can improve the weatherability and water resistance of coatings and adhesives, making them suitable for outdoor applications.

Applications of N-n-Butyl-3-aminopropyltrimethoxysilane

N-n-Butyl-3-aminopropyltrimethoxysilane is widely used in various industries, including coatings, adhesives, sealants, and composites. The chemical is an essential component of many formulations due to its unique properties and benefits.

Coatings

N-n-Butyl-3-aminopropyltrimethoxysilane is used as a surface modifier and adhesion promoter in many coatings formulations. The chemical improves the adhesion of the coating to the substrate, reducing the risk of delamination and corrosion. It can also improve the scratch resistance, weatherability, and chemical resistance of the coating, making it suitable for harsh environments.

Adhesives

N-n-Butyl-3-aminopropyltrimethoxysilane is an essential ingredient in many adhesive formulations. The chemical improves the adhesion of the adhesive to the substrate, making it suitable for bonding various materials, including metals, plastics, and ceramics. It can also improve the shear strength, peel strength, and impact resistance of the adhesive, making it suitable for high-stress applications.

Sealants

N-n-Butyl-3-aminopropyltrimethoxysilane is used as a surface modifier and adhesion promoter in many sealant formulations. The chemical improves the adhesion of the sealant to the substrate, reducing the risk of leakage and failure. It can also improve the flexibility and durability of the sealant, making it suitable for joints and gaps that undergo movement and stress.

Composites

N-n-Butyl-3-aminopropyltrimethoxysilane is used as a coupling agent in many composite formulations. The chemical improves the adhesion between the filler and the matrix, increasing the mechanical properties of the composite. It can also improve the thermal stability and water resistance of the composite, making it suitable for high-temperature and wet environments.

Conclusion

N-n-Butyl-3-aminopropyltrimethoxysilane is a versatile silane coupling agent used in various industries. This chemical compound provides excellent adhesion, surface modification, and crosslinking properties, making it an essential component of many formulations. INNO SPECIALTY CHEMICALS produces high-quality N-n-Butyl-3-aminopropyltrimethoxysilane for various applications, ensuring consistent performance and reliability.

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