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PEG-based semi-interpenetrating polymer network hydrogels
 Kadlecová, Michaela ; Kalina, Michal (referee) ; Sedláček, Petr (advisor)
This bachelor's thesis deals with optimization of the preparation of hydrogels based on polymer networks of polyehtylene glycol with the incorporation of a semi-interpenetrating polymer networking and the following chemical-physical characterization of the prepared hydrogels. Polyehtylen glycol diacrylate was chosen from the range of polyethylene glycol modifications as a model material for the formation of hydrogels. Based on this, the preparation using UV photopolymerization was optimized. After optimization of the preparation, selections and following incorporation of the polyelectrolyte took place. Sodium polystyrene sulfonate was chosen as a model polyelectrolyte. Then, there was a basic characterization and comparison of the prepared hydrogels based on polyethylene glycol diacrylate with and without the addition of polyecletrolyte. Swelling, rheology, scanning electron microscopy were used for basic characterization and transport characteristics were investigated using diffusion.
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