SYNTHESIS OF CHITOSAN-STABILIZED COPPER NANOPARTICLES AND PROPERTIES OF THEIR COMPOSITES
Abstract
A one-stage method for the synthesis of copper nanoparticles in solution by microwave radiation using ascorbic acid as a reducing agent and chitosan with different conformations of macromolecules as a stabilizer is presented. The resulting dispersions are aggregatively stable. It has been shown that the sizes of the formed nanoparticles are 22 nm in chitosan solutions with the rigid rod conformation of macromolecules and 25 nm in the coil conformation. The effect of nanoparticles on the thermophysical characteristics of the polysaccharide was shown: the shift in the glass transition and degradation temperatures was ~20 and 47 °C respectively.
About the Authors
K. R. Rozhnova
Lobachevsky State University of Nizhni Novgorod
Russian Federation
Russian Federation
K. V. Apryatina
Lobachevsky State University of Nizhni Novgorod
Russian Federation
Russian Federation
L. A. Smirnova
Lobachevsky State University of Nizhni Novgorod
Russian Federation
Russian Federation
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Review
For citations:
Rozhnova K.R., Apryatina K.V., Smirnova L.A. SYNTHESIS OF CHITOSAN-STABILIZED COPPER NANOPARTICLES AND PROPERTIES OF THEIR COMPOSITES. Proceedings of the Kabardino-Balkarian State University. 2022;12(6):50-56. (In Russ.)
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