Octyl(triethoxy)silane: An Overview of Its Properties and Applications
Octyl(triethoxy)silane, also known as n-octyltriethoxysilane, is a colorless to light yellow liquid with a molecular weight of 296.48 g/mol. It has a boiling point of 230 °C and a flash point of 92 °C. This silane coupling agent is a versatile material that finds its application in various industries such as coatings, adhesives, rubber, plastics, and textiles.
INNO SPECIALTY CHEMICALS is a leading manufacturer and supplier of octyl(triethoxy)silane in China. Their product, INOSIL OCTEO, is a high-quality coupling agent that offers superior performance in enhancing the adhesion and durability of a wide range of substrates.
Properties of Octyl(triethoxy)silane
Octyl(triethoxy)silane is a trialkoxy silane that contains a long-chain alkyl group (C8H17) and three ethoxy groups (-OCH2CH3). The alkyl group provides hydrophobicity to the silane, while the ethoxy groups make it hydrolyzable. When exposed to moisture, the ethoxy groups undergo hydrolysis to form silanol (-Si-OH) and ethanol (-CH2CH3OH) groups. The silanol group can then react with the substrate surface via condensation to form a covalent bond, resulting in improved adhesion.
Applications of Octyl(triethoxy)silane
1. Coatings: Octyl(triethoxy)silane is widely used as a coupling agent and surface modifier in coatings to improve adhesion, wetting, and water resistance. It can also enhance the scratch and abrasion resistance of coatings.
2. Adhesives and Sealants: Octyl(triethoxy)silane is used as a coupling agent in adhesives and sealants to improve adhesion to various substrates such as metals, glass, ceramics, and plastics. It can also improve the moisture resistance and durability of adhesive bonds.
3. Rubber: Octyl(triethoxy)silane can be used as a co-crosslinking agent in rubber formulations to improve adhesion, tear strength, and abrasion resistance.
4. Plastics: Octyl(triethoxy)silane can be used as a comonomer in the synthesis of functionalized polymers to improve adhesion to various substrates.
5. Textiles: Octyl(triethoxy)silane can be used as a surface modifier in textiles to improve the water and oil repellency, antistatic properties, and durability of the fabrics.
Conclusion
Octyl(triethoxy)silane is a versatile silane coupling agent that finds its application in various industries. Its unique properties of hydrophobicity and hydrolyzability make it an excellent surface modifier and coupling agent. INNO SPECIALTY CHEMICALS is a reliable manufacturer and supplier of high-quality octyl(triethoxy)silane in China.
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