Open Access Received: 12 August 2025   |   Accepted: 11 September 2025   |   Published: 10 November 2025

PREPARATION AND CHARACTERIZATION OF THREE-COMPONENT INTERPOLYELECTROLYTE COMPLEXES OF CHITOSAN

^*Khudoyberdiyev Sh.Sh., ^**Vokhidova N.R., ^**Rashidova S.Sh.

^* Bukhara State University, Bukhara, uzbekistan
^**Institute of Chemistry and Physics of Polymers of the Academy of Sciences of the Republic of Uzbekistan, Tashkent 100128, Uzbekistan

---

Abstract. Three-component interpolyelectrolyte complexes based on Bombyx mori chitosan were synthesized, and their compositions and hydrodynamic dimensions were characterized. It was established that, at pH 6.3, binary chitosan/collagen complexes interact with sodium carboxymethylcellulose in a mass ratio of 1:0.2:0.65. Additionally, binary polyelectrolyte complexes composed of Bombyx mori chitosan and collagen were prepared with mass ratios of 1:0.1, 1:0.2, and 1:0.3. It was observed that during macromolecular interactions, the positive charges of chitosan are partially neutralized by the negative charges of collagen, resulting in a change in the zeta potential from +15.2 mV to +5.67 mV. At this ratio, the complex's surface layer carries a neutral charge (Q(0)). The hydrodynamic particle sizes of the three-component complexes ranged from 136 to 243 nm

---

Key words. chitosan Bombyx mori, sodium carboxymethylcellulose, collagen, three-component interpolyelectrolyte complexes, diffusion coefficient, hydrodynamic parameters


DOI: http://uzpolymerjournal.com/articles/article.php?id=250302

*Corresponding author: Khudoyberdiyev Sh.Sh., Bukhara State University, Bukhara, Uzbekistan

Citation: Khudoyberdiyev Sh.Sh., Vokhidova N.R., Rashidova S.Sh., PREPARATION AND CHARACTERIZATION OF THREE-COMPONENT INTERPOLYELECTROLYTE COMPLEXES OF CHITOSAN. Uzbekistan Journal of Polymers, Vol. 4(3) 2025: pp.16-24. DOI: http://uzpolymerjournal.com/articles/article.php?id=250302

©2025 Uzbekistan Journal of Polymers