Swelling behavior of poly (2-hydroxyethyl methacrylate) copolymer gels

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Abstract

Hydrogels based on 2-hydroxyethyl methacrylate/dimethyl-aminoethyl methacrylate copolymers were prepared by gamma radiation-inducedco- polymerization at low temperature (-78°C). The swelling behavior of hydrogels was studied by immersion of the polymer discs in buffered solutions at pH from 2 to 10. The hydration process was followed gravimetrically by measuring the water uptake of the discs as a function of time. The results obtained have shown that the swelling behavior is reversible and depends on the polymer nature. Moreover, polymeric discs exhibited a good stability after repeating cycles of hydration in different buffer solutions. Scanning electron microscopy analysis reveals that hydrogel porosity can be controlled. © Owned by the authors, published by EDP Sciences, 2013.

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Sari, S. M. C., Benmouna, M., Mahlous, M., & Kaci, M. (2013). Swelling behavior of poly (2-hydroxyethyl methacrylate) copolymer gels. In MATEC Web of Conferences (Vol. 5). EDP Sciences. https://doi.org/10.1051/matecconf/20130504008

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