Abstract
Formation and characterization of hydrogel of a hydrophilic polymer in a wide range of gamma absorbed doses is reported. An aqueous solution contains 2% polyvinyl alcohol (PVA) by mass irradiated under gamma rays of 60Co was chosen for study. The hydrogel was synthesized without using any additives. It was found that gel fraction is an exponential saturation function that increases with an increase of absorbed dose while swelling ratio is an exponential saturation function that decreases with an increase of absorbed dose. The results are described by energy transfer model.
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Nghiep, T.D., Minh, D.T.N. & Cong, N.T. Formation and characterization of a hydrophilic polymer hydrogel under gamma irradiation. J Radioanal Nucl Chem 285, 719–721 (2010). https://doi.org/10.1007/s10967-010-0618-1
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DOI: https://doi.org/10.1007/s10967-010-0618-1