Minimum swelling of the acidic polymeric hydrogels occurs due to the absence of a mutual activation effect, wherein equilibrium between the polymers and aqueous medium is reached quickly (after 6 h increase of swelling degree is slight; after 24 h, almost insignificant).
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Effect of Lanthanum Sorption on the Behavior of Rarely Crosslinked Acidic and Basic Polymer Hydrogels during Remote Interaction.
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