Abstract
The temperature dependences of the heat capacities of hydrated acrylamide and poly(acrylamide) complexes of cobalt nitrate are studied via high-precision adiabatic calorimetry at 6 to 300–380 K. The energy of combustion is estimated via isothermic calorimetry. This evidence makes it possible to calculate thermodynamic functions C ℴ p (T), H ℴ(T) − H ℴ(0), S ℴ(T), G ℴ(T) − H ℴ(0) at 0 to 300–380 K; the standard enthalpy of combustion, ΔcH ℴ; and the thermodynamic parameters of formation, Δ f H ℴ, Δ f S ℴ, and Δ f G ℴ, of monomer and polymer complexes composed of simple compounds at 298.15 K. The results are used for the estimation of enthalpy Δpol H ℴ, entropy Δpol S ℴ, and Gibbs function Δpol G ℴ of bulk polymerization for hydrated acrylamide complexes of cobalt nitrate at 0–300 K.
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Original Russian Text © N.N. Smirnova, T.A. Bykova, V.N. Larina, T.G. Kulagina, A.D. Pomogailo, G.I. Dzhardimalieva, 2010, published in Vysokomolekulyarnye Soedineniya, Ser. A, 2010, Vol. 52, No. 4, pp. 547–553.
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Smirnova, N.N., Bykova, T.A., Larina, V.N. et al. Thermodynamic characteristics of hydrated acrylamide and polyacrylamide complexes of cobalt nitrate at T → 0 to 380 K. Polym. Sci. Ser. A 52, 349–355 (2010). https://doi.org/10.1134/S0965545X10040012
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DOI: https://doi.org/10.1134/S0965545X10040012