Polyelectrolyte hydrogels, which are prepared using monomers with ionizable pendant groups, are capable of absorbing large amount of water or biological fluids, mimics biological tissues. These properties brought great attention to these systems for biomedical applications by adjusting the physicochemical properties with altering the degree of crosslinking either by physical or chemical or physical-chemical means. Various approaches to the formulation of polyelectrolyte hydrogels have been studied. Representative polyelectrolyte hydrogels are hydrogels composed of poly acrylamide (Am) and its copolymers. By copolymerization with 2-acrylamido-2-methylpropanesulfonic acid (AMPS), poly acrylamide showed enhanced responsive character to pH or temperature changes. In this study, poly (Am-co-AMPS) hydrogels were prepared by E-beam irradiation without the use of harmful initiators, and three poly ethylene glycol diacrylates with different molecular weights were used as crosslinkers. The swelling-deswelling properties, morphology and resistivity of the prepared hydrogels were measured and their structural property relationships were also studied here.

Characterization of poly(acrylamide-AMPS)-based hydrogels formed by E-beam radiation

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.