Features of Synthesis of Graft Copolymers of Chitosan and Acrylic Acid

Graft copolymers of chitosan with acrylic acid of three-dimensional structure have been synthesized. An increase in the concentration of the polysaccharide helps to accelerate the structure formation of copolymer macromolecules during the synthesis. It has been shown that one of the reasons for this...

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Bibliographic Details
Published in:Polymer science. Series B 2024-02, Vol.66 (1), p.51-58
Main Authors: Kudyshkin, V. O., Abrarova, Z. M., Bozorov, N. I., Zhumartova, U. U., Usmanova, M. M., Ashurov, N. Sh, Rashidova, S. Sh
Format: Article
Language:English
Subjects:
Acrylic acid
Chemical synthesis
Chemistry
Chemistry and Materials Science
Chitosan
Graft copolymers
Hydrogen bonds
Infrared spectroscopy
Modification of Polymers
Polymer Sciences
Polysaccharides
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Summary:Graft copolymers of chitosan with acrylic acid of three-dimensional structure have been synthesized. An increase in the concentration of the polysaccharide helps to accelerate the structure formation of copolymer macromolecules during the synthesis. It has been shown that one of the reasons for this effect is a local increase in the concentration of acrylic acid in the chain growth zone due to the formation of hydrogen bonds between the monomer and the polysaccharide. The graft copolymers have been characterized by IR and UV spectroscopy, AFM, and X-ray diffraction and can be used as highly swelling superabsorbents.
ISSN:1560-0904
1555-6123
DOI:10.1134/S1560090424600165