Coupling Agent 3-aminopropyltriethoxysilane

Description

(3-Aminopropyl)triethoxysilane, also known as KH-550, A-1100 or KBE-903, is a chemical compound that belongs to the class of organosilanes. It is commonly used as a coupling agent and surface modifier in various industrial applications. The compound consists of a triethoxysilane group and an aminopropyl group, which enable it to bond chemically with both inorganic and organic materials.

(3-Aminopropyl)triethoxysilane has a clear liquid form and is soluble in a variety of organic solvents. It possesses reactive amino and ethoxy groups, making it capable of forming covalent bonds with surfaces such as glass, metals, minerals, and polymers. This unique reactivity allows it to enhance adhesion, improve compatibility between different materials, and modify surface properties.

Due to its versatile nature, (3-Aminopropyl)triethoxysilane finds applications in various industries. It is commonly used as a coupling agent in the production of composites, adhesives, and sealants, where it promotes adhesion between different materials. It is also utilized as a surface treatment agent to enhance the bonding of coatings, paints, and inks to substrates.

In addition, (3-Aminopropyl)triethoxysilane serves as a key ingredient in the manufacturing of functionalized silica particles, nanoparticles, and hybrid organic-inorganic materials. Its ability to modify surface properties and introduce reactive sites makes it valuable in the synthesis of advanced materials used in areas such as catalysis, electronics, and biotechnology.

Overall, (3-Aminopropyl)triethoxysilane is a versatile chemical compound with significant applications in the field of materials science and surface chemistry. Its ability to improve adhesion, modify surface properties, and facilitate chemical reactions makes it a valuable tool in various industries.

Features

❶ Reactive functionality: (3-Aminopropyl)triethoxysilane contains both amino and ethoxy groups, which provide reactive sites for chemical bonding and surface modification. These functional groups enable it to form strong covalent bonds with various substrates.

❷ Versatile coupling agent: KH-550 acts as an effective coupling agent, promoting adhesion and improving compatibility between different materials. It enhances the bonding strength and durability of adhesive systems, coatings, and composites.

❸ Surface modification: By modifying the surface properties of materials, KH-550 can enhance wetting, dispersibility, and compatibility. It improves the adhesion and bonding characteristics of coatings, paints, and inks to substrates.

❹ Crosslinking agent: Due to its ability to form covalent bonds, KH-550 is used as a crosslinking agent in the synthesis of hybrid organic-inorganic materials. It facilitates the creation of network structures, enhancing the mechanical, thermal, and chemical properties of the resulting materials.

❺ Adhesion promoter: KH-550 improves the adhesion between dissimilar materials, such as metals, glass, ceramics, and polymers. It helps overcome the challenges of adhesion in various applications, leading to improved performance and durability.

❻ Surface reactivity: KH-550 exhibits excellent reactivity with silica-based materials, enabling the functionalization and modification of silica particles and surfaces. It allows for the creation of tailored surfaces with specific chemical and physical properties.

❼ Solubility and compatibility: KH-550 is soluble in a range of organic solvents, facilitating its incorporation into various formulations and systems. It demonstrates good compatibility with other commonly used materials, making it versatile in different applications.

Applications

1. Adhesion promoter

KH-550 is used as an adhesion promoter in adhesive systems, sealants, and coatings. It improves the bonding strength between different substrates, such as metals, glass, ceramics, and plastics, enhancing the overall adhesion and durability of the bonded materials.

2. Surface modifier

KH-550 is employed as a surface modifier to enhance the wetting and dispersibility of materials. It modifies the surface properties of substrates, making them more receptive to coatings, paints, inks, and other surface treatments.

3. Coupling agent

It acts as a coupling agent in the production of composites, where it promotes the adhesion between reinforcement materials, such as fibers or fillers, and polymer matrices. This improves the mechanical properties, such as strength and impact resistance, of the resulting composite materials.

4. Silane treatment

The compound is used in silane treatments to modify the surface characteristics of materials like glass, ceramics, and metals. It imparts hydrophobic or hydrophilic properties, corrosion resistance, and chemical stability to the treated surfaces.

5. Nanoparticle synthesis

(3-Aminopropyl)triethoxysilane is employed in the synthesis of functionalized nanoparticles. It acts as a surface modifier, enabling the attachment of desired functional groups onto the nanoparticles' surfaces, enhancing their stability, dispersibility, and compatibility with other materials.

6. Hybrid material synthesis

It plays a crucial role in the synthesis of hybrid organic-inorganic materials. By acting as a crosslinking agent, (3-Aminopropyl)triethoxysilane facilitates the formation of three-dimensional networks, improving the mechanical, thermal, and chemical properties of the resulting materials.

7. Surface functionalization

The compound is used to functionalize silica-based materials, such as silica particles or surfaces, to introduce specific chemical groups or functionalities. This allows for tailored surfaces with enhanced properties suitable for applications in areas like catalysis, chromatography, and sensors.

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Specifications

Appearance	Colorless transparent liquid
Purity	≥95.0%
Density at 25℃	0.94g/ml
Refractive index (20℃)	1.420
Cas No.	919-30-2
Molecular Formula	C9H23NO3Si
Molecular Weight	221.37
Flash point	98℃
Boiling point at 760mmHg	216℃