Abstract
Modification of a homogenous anion–exchange MA-100 membrane by chlorosulfonic acid is accompanied by grafting of negatively charged–SO –3 groups and a substantial increase of hydrophilicity. The method of differential scanning calorimetry indicated that the mass fraction of free and bound water increases nearly twice. The porous structure of the modified membrane becomes more developed at the expense of an increase of the volume of micropores. The membrane acquires resistance to poisoning by large organic anions.
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Original Russian Text © V.V. Goncharuk, R.D. Chebotareva, I.D. Atamanenko, R.I. Kakabaev, S.Yu. Bashtan, 2016, published in Khimiya i Tekhnologiya Vody, 2016, Vol. 38, No. 4, pp. 355–365.
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Goncharuk, V.V., Chebotareva, R.D., Atamanenko, I.D. et al. Impact of sulfochlorination on the structure and properties of the MA-100 anion–exchange membrane. J. Water Chem. Technol. 38, 194–199 (2016). https://doi.org/10.3103/S1063455X16040020
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DOI: https://doi.org/10.3103/S1063455X16040020