Abstract
Polyelectrolyte hydrogels based on copolymers of acrylamide with 2-acrylamido-2-methylpropanesulfonic acid were prepared by frontal copolymerization in dilute aqueous solutions of the monomers using ammonium persulfate as initiator chromium triacetate as cross-linking agent. The influence of the monomer molar ratio, initiator and cross-linker concentration on the possibility of performing the copolymerization and monomer reactivity ratios in the frontal mode, and on the characteristics of the obtained hydrogels was examined.
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