Ethoxydimethylvinylsilane
Ethoxydimethylvinylsilane, identified by CAS number 5356-83-2, is a versatile organosilicon monomer characterized by the presence of both a reactive vinyl group and a hydrolyzable ethoxy group. This bifunctional structure makes it a valuable intermediate in the synthesis of specialized silicone polymers and organic-inorganic hybrid materials. As a clear, colorless liquid, it exhibits the typical reactivity of vinylsilanes, allowing for precise control over chemical modifications in various industrial and research settings.
In terms of handling, this compound is moisture-sensitive due to the ethoxy group’s tendency to undergo hydrolysis, releasing ethanol and forming silanol species. It should be stored under dry, inert conditions to maintain its chemical integrity. Its dual functionality allows it to bridge the gap between organic polymers and inorganic substrates, serving as a critical building block for enhancing material properties such as thermal stability, moisture resistance, and mechanical strength.
• As a functional monomer in polymer chemistry, Ethoxydimethylvinylsilane is frequently employed to introduce vinyl functionality into silicone resins and fluids. This modification enables subsequent cross-linking through hydrosilylation reactions or free-radical polymerization, allowing manufacturers to tailor the elastomeric properties and curing profiles of high-performance silicone rubbers and sealants.
• The compound serves as an effective surface modifier and coupling agent for inorganic fillers and glass fibers. By reacting with hydroxyl groups on the surface of substrates like silica or alumina, it creates a hydrophobic vinyl-functionalized layer. This treatment improves the interfacial adhesion between the inorganic components and organic polymer matrices, leading to composites with superior mechanical integrity and reduced water absorption.
• In the field of organic synthesis and coatings technology, it is utilized as a reagent for the preparation of vinyl-containing siloxane intermediates. These intermediates are essential for developing advanced protective coatings that require high UV resistance and durability. The ethoxy group provides a controlled pathway for moisture-curing mechanisms, which is particularly useful in the formulation of specialized adhesives and weather-resistant architectural finishes.
Product Name: Ethoxydimethylvinylsilane
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