Stearyltrimethoxysilane, also known as Octadecyltrimethylsilane, Trimethoxyoctadecylsilicon, Trimethoxy(octadecyl)silane, Octadecyltrimethoxysilane, Trimethoxyoctadecylsilane, and n-Octodecyltrimethoxysilane, is a colorless to yellowish liquid with a chemical formula of C21H46O3Si. It is a versatile chemical that finds application in various industrial sectors such as coatings, adhesives, sealants, plastics, rubber, and personal care products. In this article, we will discuss the properties, applications, and benefits of Stearyltrimethoxysilane from the perspective of the supplier and manufacturer, Ningbo Inno Pharmchem Co., Ltd.

Properties of Stearyltrimethoxysilane

Stearyltrimethoxysilane is a silane coupling agent that contains a long-chain alkyl group. The alkyl group provides hydrophobicity and oleophobicity to the molecule, making it an excellent surface modifier for various substrates. The silane group enables the coupling of the molecule with the substrate surface through a covalent bond, which enhances the adhesion and durability of the coating or adhesive.

The molecular weight of Stearyltrimethoxysilane is 382.68 g/mol, and its boiling point is 324°C. It has a flashpoint of 124°C and a density of 0.884 g/cm³ at 25°C. The refractive index of Stearyltrimethoxysilane is 1.4325 at 20°C, and it is soluble in organic solvents like ethanol, acetone, and toluene.

Applications of Stearyltrimethoxysilane

Stearyltrimethoxysilane has several applications in various industrial sectors. Its hydrophobic and oleophobic properties make it an excellent surface modifier for coatings, adhesives, and sealants. It can enhance the water and oil repellency of the substrate and improve its durability and longevity.

In the coatings industry, Stearyltrimethoxysilane is used as a surface modifier for metal, glass, and plastic substrates. It enhances the adhesion of the coating to the substrate and improves its resistance to corrosion, abrasion, and weathering. It is also used as a leveling agent and anti-blocking agent in coatings formulations.

In the adhesives and sealants industry, Stearyltrimethoxysilane is used as a coupling agent for bonding various substrates. It enhances the adhesion between the substrates and the adhesive, improving the strength and durability of the bond. It is also used as a water scavenger and crosslinking agent in some adhesive formulations.

In the plastics and rubber industry, Stearyltrimethoxysilane is used as a surface modifier and coupling agent for various polymers. It improves the dispersion of fillers and pigments in the polymer matrix, enhancing the mechanical properties and reducing the shrinkage of the polymer. It is also used as a release agent and anti-blocking agent in some plastic and rubber formulations.

In the personal care industry, Stearyltrimethoxysilane is used as a conditioning agent and emulsifier in hair care and skin care products. It can improve the spreadability and stability of the product, making it easier to apply and more effective in delivering the active ingredients to the skin or hair.

Benefits of Stearyltrimethoxysilane

Stearyltrimethoxysilane offers several benefits to the industrial sectors that use it. Its hydrophobic and oleophobic properties make it an excellent surface modifier for various substrates, enhancing their durability and longevity. Its coupling ability improves the adhesion between substrates and coatings or adhesives, improving the strength and durability of the bond. Its compatibility with various organic solvents makes it easy to incorporate into various formulations, improving their effectiveness and performance.

From the perspective of the supplier and manufacturer, Ningbo Inno Pharmchem Co., Ltd., Stearyltrimethoxysilane is a high-quality product that meets the industry standards and customer requirements. The company has a state-of-the-art manufacturing facility and a team of experienced professionals who ensure the quality and consistency of the product. They use advanced technology and equipment to produce Stearyltrimethoxysilane in large quantities, ensuring timely delivery to the customers.

Conclusion

Stearyltrimethoxysilane is a versatile chemical that finds application in various industrial sectors such as coatings, adhesives, sealants, plastics, rubber, and personal care products. Its hydrophobic and oleophobic properties make it an excellent surface modifier for various substrates, enhancing their durability and longevity. Its coupling ability improves the adhesion between substrates and coatings or adhesives, improving the strength and durability of the bond. Ningbo Inno Pharmchem Co., Ltd. is a reliable supplier and manufacturer of Stearyltrimethoxysilane, ensuring the quality and consistency of the product and timely delivery to the customers.

News you might interested in