N-Propyltriethoxysilane: A Comprehensive Guide to its Properties and Applications

N-Propyltriethoxysilane, also known as 1-triethoxysilylpropane, is a colorless liquid that is widely used in various applications. This chemical compound is produced by the reaction of n-propyl alcohol and triethoxysilane. The resulting product is a silane coupling agent that has excellent adhesion, bonding, and wetting properties. INNO Specialty Chemicals is a leading manufacturer and supplier of N-propyltriethoxysilane in China.

Properties of N-Propyltriethoxysilane

N-Propyltriethoxysilane has a chemical formula of C9H22O3Si and a molecular weight of 206.36 g/mol. It has a boiling point of 196 °C and a flash point of 73 °C. This liquid silane coupling agent is soluble in organic solvents such as ethanol, acetone, and toluene. It is also hydrolytically stable and can react with water to form silanol groups.

Applications of N-Propyltriethoxysilane

N-Propyltriethoxysilane is a versatile silane coupling agent that is used in various applications such as:

1. Adhesives and Sealants: N-Propyltriethoxysilane is widely used as an adhesion promoter in the production of adhesives and sealants. It enhances the bonding strength between the substrate and the adhesive, resulting in a stronger and more durable bond.

2. Coatings: N-Propyltriethoxysilane is used as a surface modifier in the production of coatings. It improves the wetting and dispersing properties of the coating, resulting in a smoother and more uniform surface finish.

3. Glass Fiber and Mineral Wool: N-Propyltriethoxysilane is used as a sizing agent in the production of glass fiber and mineral wool. It improves the adhesion between the fiber and the matrix, resulting in a stronger and more durable composite material.

4. Silica and Rubber: N-Propyltriethoxysilane is used as a surface modifier in the production of silica and rubber. It enhances the dispersing properties of the material, resulting in a more uniform and stable product.

5. Water Repellents: N-Propyltriethoxysilane is used as a water repellent in the production of building materials such as bricks, concrete, and stone. It forms a hydrophobic layer on the surface of the material, preventing water from penetrating and causing damage.

Advantages of N-Propyltriethoxysilane

N-Propyltriethoxysilane has several advantages over other silane coupling agents, including:

1. Excellent Adhesion: N-Propyltriethoxysilane has excellent adhesion properties, making it ideal for use in adhesives, coatings, and composite materials.

2. Hydrolytic Stability: N-Propyltriethoxysilane is hydrolytically stable, meaning it can withstand exposure to water without losing its properties.

3. Compatibility: N-Propyltriethoxysilane is compatible with a wide range of materials, making it a versatile silane coupling agent.

4. Low Toxicity: N-Propyltriethoxysilane has low toxicity, making it safe for use in various applications.

Conclusion

N-Propyltriethoxysilane is a versatile silane coupling agent that is widely used in various applications such as adhesives, coatings, and composite materials. Its excellent adhesion, hydrolytic stability, compatibility, and low toxicity make it an ideal choice for many industries. INNO Specialty Chemicals is a leading manufacturer and supplier of N-propyltriethoxysilane in China, providing high-quality products and exceptional customer service.

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