Abstract
The synthesis and physico-chemical properties of chemically cross-linked hydrogels based on polyacrylamide and chitosan, which form interpenetrating polymer networks, are considered in the work. The strategy of obtaining cross-linked networks of both polyacrylamide and polyacrylamide grafted on chitosan by radical polymerization was used. The equilibrium swelling properties, which depend on the pH value of the solution and the composition of the gels, were studied. The chemical structure of the obtained hydrogels was characterized by IR spectroscopy.
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