Articles with "perfluorosulfonic acid" as a keyword



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Conversion of Cellulose into Amphiphilic Alkyl Glycosides Catalyzed by Aquivion, a Perfluorosulfonic Acid Polymer.

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Published in 2017 at "ChemSusChem"

DOI: 10.1002/cssc.201700903

Abstract: The perfluorosulfonic acid (PFSA) Aquivion PW98 is an amphiphilic solid superacid which is shown to catalyze the conversion of cellulose into amphiphilic alkyl glycosides (AAGs) in 85 % yield (with 97 % selectivity). The process involves a mechanocatalytic… read more here.

Keywords: conversion cellulose; cellulose amphiphilic; aquivion; acid ... See more keywords
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Hydrogen sulfide mix gas permeation in Aquivion® perfluorosulfonic acid (PFSA) ionomer membranes for natural gas sweetening

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Published in 2021 at "Journal of Membrane Science"

DOI: 10.1016/j.memsci.2021.119809

Abstract: Abstract Permeation tests of CO2/CH4 and H2S/CH4 mixtures in a commercial Perfluorosulfonic acid membrane, Aquivion® E87-12S, were carried out at different temperatures, namely 27, 35 and 50 °C, and at relative humidity (RH) ranging from 20… read more here.

Keywords: gas; permeation; gas permeation; pfsa ... See more keywords
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A highly proton-/vanadium-selective perfluorosulfonic acid membrane for vanadium redox flow batteries

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Published in 2019 at "New Journal of Chemistry"

DOI: 10.1039/c9nj01453e

Abstract: The polar clusters of Nafion are blocked by the incorporation of the nanohybrid, which contributes to suppress vanadium ions crossover. read more here.

Keywords: proton vanadium; vanadium selective; highly proton; vanadium ... See more keywords
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Role of ionic interactions in the deformation and fracture behavior of perfluorosulfonic-acid membranes.

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Published in 2020 at "Soft matter"

DOI: 10.1039/c9sm01964b

Abstract: The stability of ion-conductive membranes, such as perfluorosulfonic-acid (PFSA) membranes, as a solid-electrolyte separator in energy devices is strongly linked to their mechanical properties, the characterization of which presents challenges, especially in the presence of… read more here.

Keywords: role ionic; ionic interactions; fracture; deformation ... See more keywords
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The Development of Electroconvection at the Surface of a Heterogeneous Cation-Exchange Membrane Modified with Perfluorosulfonic Acid Polymer Film Containing Titanium Oxide

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Published in 2020 at "Membranes"

DOI: 10.3390/membranes10060125

Abstract: One way to enhance mass transfer and reduce fouling in wastewater electrodialysis is stimulation of electroconvective mixing of the solution adjoining membranes by modifying their surfaces. Several samples were prepared by casting the perfluorosulfonic acid… read more here.

Keywords: electroconvection; polymer film; film; development ... See more keywords
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Multisensory Systems Based on Perfluorosulfonic Acid Membranes Modified with Polyaniline and PEDOT for Multicomponent Analysis of Sulfacetamide Pharmaceuticals

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Published in 2022 at "Polymers"

DOI: 10.3390/polym14132545

Abstract: The degradation of sulfacetamide with the formation of sulfanilamide leads to a deterioration in the quality of pharmaceuticals. In this work, potentiometric sensors for the simultaneous determination of sulfanilamide, sulfacetamide and inorganic ions, and for… read more here.

Keywords: perfluorosulfonic acid; systems based; sulfacetamide; acid membranes ... See more keywords