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Abstract <p>The sorption capacity of a synthesized polymer based on starch and glycidyl acrylate in relation to heavy-metal ions is studied. It is shown that the sorption of metal ions is reliably described by the Langmuir model, while the process itself has a physical character. It is found by thermogravimetric analysis that the process of thermal destruction of the polymer occurs in three stages, and that of its complex with copper, in four stages. The activation energy of decomposition of the initial polymer is in a range of 24–38 kJ/mol for each stage, while for its complex with copper it is 46–68 kJ/mol. The introduction of Cu(II) increases the thermal stability of the obtained polymer based on starch.</p>

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Sorption Properties of a Polymer Based on Glycidyl Acrylate and Starch

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • V. A. Lipin,
  • A. N. Yevdokimov,
  • Yu. A. Petrova,
  • I. V. Krasanov,
  • A. V. Dmitrieva,
  • V. E. Sitnikova,
  • A. A. Purtova

摘要

Abstract

The sorption capacity of a synthesized polymer based on starch and glycidyl acrylate in relation to heavy-metal ions is studied. It is shown that the sorption of metal ions is reliably described by the Langmuir model, while the process itself has a physical character. It is found by thermogravimetric analysis that the process of thermal destruction of the polymer occurs in three stages, and that of its complex with copper, in four stages. The activation energy of decomposition of the initial polymer is in a range of 24–38 kJ/mol for each stage, while for its complex with copper it is 46–68 kJ/mol. The introduction of Cu(II) increases the thermal stability of the obtained polymer based on starch.