Bis(γ-triethoxysilylpropyl)tetrasulfide, also known as Bis[3-(triethoxysilyl)propyl]tetrasulfide or Bis-[γ-(triethoxysilyl)propyl]-tetrasulfide, is a versatile chemical that has found a range of applications across several industries. The compound is produced by Ningbo Inno Pharmchem Co., Ltd., a leading manufacturer of specialty chemicals.

Properties

Bis(γ-triethoxysilylpropyl)tetrasulfide is a yellowish to amber liquid that is soluble in organic solvents and water. The compound has a molecular weight of 624.99 g/mol and a boiling point of 380°C. It is stable under normal conditions and has a shelf life of around one year.

The chemical structure of Bis(γ-triethoxysilylpropyl)tetrasulfide consists of a central sulfur atom that is bonded to four propyl-triethoxysilane groups. The silane groups contain reactive silicon atoms that can form covalent bonds with a range of substrates, including metal, glass, and organic polymers.

Applications

Bis(γ-triethoxysilylpropyl)tetrasulfide has found applications in several industries, including the rubber, plastics, adhesives, and coatings sectors. The compound is used as a coupling agent, which enhances the bonding between inorganic fillers and organic matrices. This leads to improved mechanical properties, such as tensile strength, tear resistance, and abrasion resistance.

In the rubber industry, Bis(γ-triethoxysilylpropyl)tetrasulfide is used as a reinforcing agent for high-performance tires and other rubber products. The chemical enhances the bonding between the rubber and the reinforcing fillers, such as carbon black or silica, leading to improved wear resistance and wet traction.

In the plastics industry, Bis(γ-triethoxysilylpropyl)tetrasulfide is used as a surface modifier for thermoplastic and thermosetting resins. The chemical improves the adhesion between the polymer and inorganic fillers, such as glass fibers or mineral powders, leading to improved mechanical properties and dimensional stability.

In the adhesives and coatings industries, Bis(γ-triethoxysilylpropyl)tetrasulfide is used as a crosslinking agent for epoxy, polyurethane, and acrylic formulations. The chemical enhances the adhesion between the substrate and the coating or adhesive, leading to improved durability and resistance to environmental factors, such as moisture, heat, and chemicals.

Market Prospects

Bis(γ-triethoxysilylpropyl)tetrasulfide is a specialty chemical that has a growing demand in several industries, especially in the Asia-Pacific region. The increasing demand for high-performance rubber products, such as tires, from the automotive sector, is driving the demand for coupling agents, such as Bis(γ-triethoxysilylpropyl)tetrasulfide.

The compound is also finding increasing applications in the construction industry, where it is used as a surface modifier for concrete and mortar formulations. The chemical enhances the bonding between the cementitious matrix and inorganic fillers, such as sand or gravel, leading to improved strength and durability.

In addition, Bis(γ-triethoxysilylpropyl)tetrasulfide is finding applications in the electronics industry, where it is used as a dielectric material for high-frequency circuits. The chemical has a high dielectric constant and low loss factor, making it suitable for applications in microwave and millimeter-wave frequencies.

Several manufacturers and suppliers are offering Bis(γ-triethoxysilylpropyl)tetrasulfide, including Evonik Degussa Si-69, DOWSIL Z-6940, Shin-Etsu Japan KBE-846, Momentive Silquest A-1289, Degussa Si-69, DOWSIL Z-6940, and ShinEtsu Z-6940. However, Ningbo Inno Pharmchem Co., Ltd. is a leading factory that offers high-quality and cost-effective Bis(γ-triethoxysilylpropyl)tetrasulfide.

Conclusion

Bis(γ-triethoxysilylpropyl)tetrasulfide is a versatile chemical that has found a range of applications across several industries. The compound is used as a coupling agent, reinforcing agent, surface modifier, and crosslinking agent, leading to improved mechanical properties, durability, and resistance to environmental factors. The growing demand for high-performance rubber products, construction materials, and electronics is driving the demand for Bis(γ-triethoxysilylpropyl)tetrasulfide. Ningbo Inno Pharmchem Co., Ltd. is a leading manufacturer of this specialty chemical, offering high-quality and cost-effective products for various applications.

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