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Glass-transition temperatures and glass-forming region in the calcium nitrate dimethyl-sulfoxide dimethylformamide system

J. Malá and I. Sláma

Institute of Inorganic Chemistry, Czechoslovak Academy of Sciences, CS-160 00 Prague


Abstract: The glass transition temperatures (Tg) of the mixture calcium nitrate—dimethyl sulfoxide—dimethylformamide were determined in dependence on the concentration of calcium nitrate for the constant mole fraction of dimethylformamide in the mixed solvent. It was ascertained that this depen­ dence can be approximated, within the framework of experimental errors, by a linear relation. The dependence of Tg on the composition of the mixed solvent yDMF calculated from the experimentally determined values of glass transition temperature, can be also described by a linear relation. From experimental data the glass-forming region of the system was constructed.

Full paper in Portable Document Format: 423a319.pdf


Chemical Papers 42 (3) 319–327 (1988)

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