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Zinc stearate, a white, powdery substance with a slight pleasant odor, is an important industrial and chemical compound widely used in various applications. Chemically formulated as Zn(C18H35O2)2, it is a zinc salt of stearic acid. This versatile compound is known for its hydrophobic properties, lubrication capabilities, and wide range of applications, making it an essential material in numerous industries.
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| Catalog Number | Product Name | Inquiry |
| ACMA00005944 | Zinc Stearate | Inquiry |
| ACMA00005901 | Calcium/Zinc Stearate | Inquiry |
Zinc stearate exhibits several noteworthy chemical properties that contribute to its wide utilization. It is insoluble in water, alcohol, and ether but can dissolve in chlorinated hydrocarbons and aromatic compounds. The melting point of zinc stearate ranges from 120 °C to 130 °C, indicating its thermal stability. These properties make it particularly suitable for high-temperature applications where stability and performance are crucial.
Zinc stearate's unique properties make it valuable in multiple industries:
1. Plastics and Rubber Industry: In plastics and rubber manufacturing, zinc stearate is employed as a release agent and lubricant. It prevents the materials from sticking to molds and processing equipment, ensuring smooth release and efficient production. It also serves as a heat stabilizer, enhancing the thermal stability of polymers, particularly in PVC manufacturing.
2. Paints and Coatings: In the coatings industry, zinc stearate acts as a flatting and sanding agent. It helps in the production of matt finishes and smooth surfaces, improving the applicability and aesthetic quality of the paints and coatings.
3. Cosmetics: In cosmetic formulations, zinc stearate is used as a lubricant and thickening agent. Its ability to repel water makes it an ideal component in products like face powders, foundations, and ointments, imparting a silky texture and enhancing product stability.
4. Pharmaceuticals: While not frequently used in mainstream pharmaceuticals, zinc stearate finds applications in specific medicinal formulations, particularly where moisture repulsion and stability are crucial.
Zinc stearate is more than just an industrial workhorse; it also occupies a significant place in scientific research:
1. Nanotechnology: In the realm of nanotechnology, zinc stearate serves as a precursor in the synthesis of zinc oxide nanoparticles. These nanoparticles are pivotal due to their unique optical, electrical, and antimicrobial properties, making them useful in electronics, imaging, and medical applications.
2. Material Science: In materials science, zinc stearate is employed to create composite materials with enhanced properties. It acts as a filler material and stabilizer, contributing to the development of advanced materials for various high-tech applications.
3. Lubrication Studies: Research into advanced lubrication techniques often includes zinc stearate due to its exceptional lubricating properties. Studies focus on reducing friction and wear in mechanical systems, often with zinc stearate as a key compound.
4. Environmental Science: Contributing to environmental science, zinc stearate assists in understanding the behavior of hydrophobic compounds in ecological systems. Its interactions and stability in different environments provide insights into pollution control and materials recovery.
In summary, zinc stearate is a multifaceted compound with extensive applications across various industries, including plastics, cosmetics, pharmaceuticals, and construction. Its unique properties, such as hydrophobicity, thermal stability, and non-toxicity, contribute significantly to its widespread use. Moreover, ongoing scientific research continues to reveal new and innovative applications for zinc stearate, underscoring its importance as a valuable material in both industrial and research settings.
