Activating Effect of Aluminum Chloride in the Technology of Poly-Sulfides and Materials Based on them

Abstract:

The paper investigates the influence of an electrophilic agent in the inorganic polysulfide technology. A tight contact between the modified silicate filler and sulfur (when heated and then pressed) results in the appearance of new interatomic bonds and interphase interaction forces to ensure the best possible structure formation in a system in the micro and macro level. Cross-linking of silica gel by disulfide fragments shows greater stability. The activation energies were calculated for insertion of diatomic sulfur (singlet and triplet) by an oxygen atom and a silicon atom, with the substitution of OH-group, as well as for addition of diatomic sulfur to the surface of silica gel modified with aluminum chloride. Aluminum chloride acts as an activator for both a silica-containing material and sulfur, and encourages the chemical interaction between the components, and formation of polysulfides and sulfur materials from them, which have high physical mechanical properties.

• Periodical: Solid State Phenomena (Volume 299)
• Pages: 181-187
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.299.181
• Online since: January 2020
• Authors: Alsu Yusupova*, Aleksey I. Khatsrinov, Lenar N. Shafigullin
• Keywords: Aluminum Chloride, Polysulfides, Quantum Chemical Calculations, Silicon Dioxide

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