Glass Formation in the AlCl3–(CH3)2SO–H2O System
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Glass formation in the AlCl–(CH3)2SO–H2O system was detected for the first time, the boundaries of the glass formation region were determined, and glass AlCl3 · 2.9(CH3)2SO · 4.8H2O was synthesized. The IR spectra of glass-forming solutions within the boundaries of the glass formation region and the glass AlCl3 · 2.9(CH3)2SO · 4.8H2O were recorded. It was concluded that (CH3)2SO enters the first coordination sphere of the aluminum ion through the oxygen atom. The glass AlCl3 · 2.9(CH3)2SO · 4.8H2O was studied by calorimetry, and its glass transition temperature was determined to be Tg = –32.3°C.
Keywords:glass formation hydrogen bonds IR spectra glass aluminum chloride dimethyl sulfoxide water
The analytical studies were performed using equipment of the Center for Shared Use of Physical Methods of Investigation of Substances and Materials, Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.
This work was supported by the Presidium of the Russian Academy of Sciences (Basic Scientific Research Program no. 37 “Foundations of Creation of Metallic, Ceramic, and Composite Construction Materials with Improved Performance”).
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