Triethoxy(phenyl)silane: A Powerful Silane Coupling Agent
Triethoxy(phenyl)silane is a versatile silane coupling agent used in a wide range of applications, including adhesives, coatings, plastics, rubber, and composites. It is a clear, colorless to pale yellow liquid with a molecular weight of 246.4 g/mol and a boiling point of 240°C. Its chemical formula is C10H16O3Si, and its CAS number is 780-69-8.
INNO Specialty Chemicals is the leading manufacturer and supplier of triethoxy(phenyl)silane in China. Its product is of high quality and purity, meeting the standards of Evonik Degussa CP 0320, Catylen D100, Dynasylan 9265, DOWSIL Z-9805, Shin-Etsu Japan KBE-103, and other equivalent or similar types of the product.
Silane coupling agents are organic compounds that contain both reactive functional groups and non-reactive organic groups. They are used to improve the adhesion, wetting, and dispersion of inorganic materials, such as glass, metal, and ceramics, in organic matrices, such as polymers, resins, and elastomers. The reactive functional groups of silane coupling agents can react with the surface of inorganic materials, while the non-reactive organic groups can dissolve in the organic matrix, providing a strong interfacial bond between the two.
Triethoxy(phenyl)silane is a type of silane coupling agent that contains a phenyl group as the non-reactive organic group. The phenyl group is a benzene ring with six carbon atoms and a hydrogen atom attached to each carbon atom. It is a hydrophobic group that can improve the compatibility of inorganic materials with hydrophobic organic matrices, such as polyolefins, polyesters, and polyamides.
The reactive functional group of triethoxy(phenyl)silane is the triethoxysilyl group, which contains a silicon atom, three ethoxy groups, and a reactive hydroxyl group. The triethoxysilyl group can react with the hydroxyl groups on the surface of inorganic materials, such as silica, alumina, and titanium dioxide, through a condensation reaction, forming covalent bonds between the two. The reaction is catalyzed by water, which is present in the environment or added as a catalyst. The reaction can occur at room temperature or at elevated temperatures, depending on the nature of the inorganic material and the organic matrix.
The use of triethoxy(phenyl)silane as a silane coupling agent has several advantages. Firstly, it can improve the adhesion strength of inorganic materials to organic matrices, reducing delamination, cracking, and peeling of coatings, adhesives, and composites. Secondly, it can enhance the mechanical properties, such as stiffness, toughness, and fatigue resistance, of the organic matrices, improving their durability and performance. Thirdly, it can reduce the surface tension and viscosity of the organic matrices, facilitating their processing and application. Fourthly, it can improve the weatherability and chemical resistance of the organic matrices, protecting them from UV radiation, moisture, and chemicals.
The use of triethoxy(phenyl)silane as a silane coupling agent requires careful selection and optimization of its concentration, curing conditions, and compatibility with other additives and fillers. The optimal concentration of triethoxy(phenyl)silane depends on the type and amount of inorganic material, the type and viscosity of the organic matrix, and the desired properties of the final product. The curing conditions, such as temperature, time, and humidity, can affect the rate and completeness of the condensation reaction, and should be controlled accordingly. The compatibility of triethoxy(phenyl)silane with other additives and fillers, such as pigments, stabilizers, and reinforcements, should be evaluated to avoid adverse interactions and performance degradation.
In conclusion, triethoxy(phenyl)silane is a powerful silane coupling agent that can improve the adhesion, wetting, and dispersion of inorganic materials in organic matrices. Its use can enhance the mechanical properties, reduce the surface tension and viscosity, and improve the weatherability and chemical resistance of the organic matrices. Its application requires careful selection and optimization of its concentration, curing conditions, and compatibility with other additives and fillers. INNO Specialty Chemicals is the reliable manufacturer and supplier of high-quality triethoxy(phenyl)silane that meets the standards of various industries and applications.
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