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Enthalpy of swelling of crosslinked copolymers of acrylic acid β-vinyloxyethylamide in water and ethanol

  • Physical Chemistry of Surface Phenomena
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Abstract

The thermodynamics of swelling of copolymers of acrylic acid β-vinyloxyethylamide with acrylamide and N-vinylpyrrolidone of various compositions in water and ethanol is investigated. It is established that the swelling of the copolymers in water is characterized by high negative enthalpy values and that the swelling in ethanol is an endothermic process. It is found experimentally that the hydrogels obtained experience contraction at elevated temperatures.

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Authors and Affiliations

  1. Buketov Karaganda State University, Karaganda, Kazakhstan

    E. M. Tazhbaev & M. Zh. Burkeev

  2. Institute of Phytochemistry, Ministry of Education of the Republic Kazakhstan, Karaganda, Kazakhstan

    E. S. Mustafin & B. K. Kasenov

Authors
  1. E. M. Tazhbaev
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  2. E. S. Mustafin
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  3. M. Zh. Burkeev
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  4. B. K. Kasenov
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Additional information

Original Russian Text © E.M. Tazhbaev, E.S. Mustafin, M.Zh. Burkeev, B.K. Kasenov, 2006, published in Zhurnal Fizicheskoi Khimii, 2006, Vol. 80, No. 8, pp. 1477–1481.

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Tazhbaev, E.M., Mustafin, E.S., Burkeev, M.Z. et al. Enthalpy of swelling of crosslinked copolymers of acrylic acid β-vinyloxyethylamide in water and ethanol. Russ. J. Phys. Chem. 80, 1300–1304 (2006). https://doi.org/10.1134/S0036024406080231

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  • DOI: https://doi.org/10.1134/S0036024406080231

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