CAS:16646-44-9 | Tetraallyloxyethane

Introduction of CAS:16646-44-9 | Tetraallyloxyethane

Tetraallyloxyethane (TAE) is an organic compound of the alkyl ether family. It is a colorless, volatile liquid with a pleasant, fruity odor. It is used in a variety of applications, ranging from organic synthesis to biomedical research.

Specification of CAS:16646-44-9 | Tetraallyloxyethane

Research Application of CAS:16646-44-9 | Tetraallyloxyethane

1. Production of Alkoxysilanes and Environmental Aspects

Tetraallyloxyethane is a key compound in the production of alkoxysilanes, particularly tetraethoxysilane (TEOS). Alkoxysilanes, including TEOS, have a wide range of applications depending on whether the Si-OR bond is intact or hydrolyzed. The production of TEOS, a prominent derivative in this family, traditionally follows the esterification reaction of SiCl4. This process, known as Von Ebelman's route, dates back to 1846. There's ongoing research to improve existing technologies or propose new approaches for TEOS production, focusing on the environmental and economic aspects of these processes. One suggested method is the use of reactive distillation as an intensified technology to produce TEOS, which could offer advantages in terms of reduced equipment size and improved energy efficiency (Sánchez-Ramírez et al., 2018).

2. Applications in Stone Conservation

Tetraallyloxyethane derivatives like TEOS are extensively studied for the conservation of historical stones. TEOS-based composites have shown promising results in sandstone conservation. Studies have focused on composites of nano-hydroxyapatite (n-HA) and TEOS for their effectiveness in consolidating and conferring hydrophobic properties to sandstone. These composites have been evaluated for their mechanical properties, resistance to artificial aging, and their ability to alter the color of sandstone samples minimally (Luo, Xiao, & Zhang, 2015). Additionally, TEOS-based composites containing functional elements like glycidoxypropyltrimethoxysilane and polyhedral oligomeric silsesquioxane have been prepared to reduce gel crack formation during the drying phase, thus enhancing the consolidation of granite heritage (Son et al., 2009).

3. Development of Hybrid Materials

Research into TEOS-based materials, particularly in the sol-gel process, has led to the development of hybrid organic-inorganic materials. These materials are produced from mixtures of trifunctional alkoxysilanes and TEOS. The preparation of these hybrids involves controlling the morphology through the partial substitution of TEOS with other siloxanes. This process significantly influences the properties of the resulting materials, such as thermal expansion, tensile strength, and elongation at break. The interconnected silica-rich particles within the polyimide-rich matrix of these hybrids play a critical role in modifying the material properties (Mascia & Kioul, 1995).

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