Stabilization of the front at frontal copolymerization of acrylamide with sodium acrylate in aqueous solutions

Authors

  • Alena A. Salamevich Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus https://orcid.org/0000-0001-7702-6338 (unauthenticated)
  • Yauheni V. Hryniuk Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus
  • Leonid P. Krul Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus

Keywords:

frontal polymerization, acrylamide, sodium acrylate, acrylic acid, polyelectrolyte hydrogel, water absorption

Abstract

The objects of research were the process of frontal copolymerization of acrylamide with sodium acrylate in aqueous solutions, as well as the copolymers and hydrogels thus obtained. It has been shown that the frontal polymerization of acrylamide with sodium acrylate in an aqueous solution of high molecular weight polyacrylamide helps to reduce the initiator concentration necessary for the process and the formation of non-crosslinked copolymers. The effect of the addition of aerosil in the initial reaction mixture on the parameters of the copolymerization process and on the properties of the products formed is studied. The values of water absorption and gel fractions of the obtained hydrogels were determined.

Author Biographies

  • Alena A. Salamevich, Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus

    postgraduate student at the department of high molecular weight compounds, faculty of chemistry

  • Yauheni V. Hryniuk, Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus

    PhD (chemistry); associate professor at the department of radiation chemistry and chemical technology, faculty of chemistry

  • Leonid P. Krul, Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus

    doctor of science (chemistry); professor at the department of high molecular weight compounds, faculty of chemistry

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Published

2020-03-05

How to Cite

[1]
Salamevich, A.A. et al. 2020. Stabilization of the front at frontal copolymerization of acrylamide with sodium acrylate in aqueous solutions. Journal of the Belarusian State University. Chemistry. 1 (Mar. 2020), 40–47. DOI:https://doi.org/10.33581/2520-257X-2020-1-40-47.