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<p>This study investigates the sorption properties of dialdehyde carboxymethylcellulose (DCMC), sericin, and their graft copolymer DCMC/sericin. Thermodynamic characteristics of samples with a cross-linking degree of 86.2% were analysed using the Brunauer-Emmett-Teller (BET) method, Flory-Huggins theory, and the Zimm-Landberg cluster formation model. These approaches allowed determination of trends in cluster formation, cluster integral functions, and thermodynamic system non-ideality factors within the polymer-solvent system. A detailed analysis of molecular interactions in the polymer matrix was conducted. The findings provide insights into the mechanisms of sorption, binding, and release of biologically active substances by the DCMC/sericin graft copolymer, with implications for medical applications.</p>

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Thermodynamic properties of dialdehyde carboxymethylcellulose/sericin graft copolymer

  • 期刊论文

  • 发表日期：

    2026年6月3日

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  • Ilkhom Shukhrat ugli Goyibnazarov,
  • Jaykhun Qutlimurot ugli Mamatov,
  • Sherzod Abdullaevich Yuldoshov,
  • Sardorbek Sobirjonovich Yarmatov,
  • Abdushkur Abdukhalilovich Sarymsakov,
  • Abrorjon Hoshimov

摘要

This study investigates the sorption properties of dialdehyde carboxymethylcellulose (DCMC), sericin, and their graft copolymer DCMC/sericin. Thermodynamic characteristics of samples with a cross-linking degree of 86.2% were analysed using the Brunauer-Emmett-Teller (BET) method, Flory-Huggins theory, and the Zimm-Landberg cluster formation model. These approaches allowed determination of trends in cluster formation, cluster integral functions, and thermodynamic system non-ideality factors within the polymer-solvent system. A detailed analysis of molecular interactions in the polymer matrix was conducted. The findings provide insights into the mechanisms of sorption, binding, and release of biologically active substances by the DCMC/sericin graft copolymer, with implications for medical applications.