Significant improving H+/VO2+ permselectivity of Nafion membraneby modification with PDDA in aqueous isopropanolстатья
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Дата последнего поиска статьи во внешних источниках: 12 января 2022 г.
Аннотация:The modification of Nafion® membranes with
poly(diallyldimethylammonium chloride) (PDDA) in
aqueous solutions of isopropanol has been investigated. A
remarkable decrease in vanadyl ion permeability (by 3.5
orders of magnitude), accompanied by a decrease in proton
conductivity sixfold at most, was found for Nafion
membranes modified in 30–35 wt% isopropanol solutions
providing a high swelling of the membranes. The Bradford
reagent has been used for the detection of PDDA on the
membrane surface.