THERMAL PROPERTIES OF POLYELECTROLYTE COMPLEXES OF BOMBYX MORI CHITOSAN WITH COLLAGEN

The aim of the work was to study the thermal behavior of the polyelectrolyte complexes of Bombyx mori ChS with collagen. As a result of the studies, the thermal properties of polyelectrolyte complexes based on Bombyx mori chitosan with collagen in wt. rel. 1:0,1 and 1:0,2 respectively. It has been determined that the most significant weight changes for chitosan with a molecular weight of 15×103 and the degree of deacetylation of 85% occur at a temperature is 270 °C, when the mass loss rate reaches its maximum value. For collagen, the same temperature is 277 °C. For complexes ChS/collagen 1:0,2 and 1:0,1 wt. rel. these values are 260 and 267 °C, respectively, which confirm the formation of chitosan polyelectrolyte complexes.

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