A First Course in Ion Permeable MembranesElectrochemical Consultancy, 1997 - 255 pagine |
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Pagina 53
... polymer and a hydrophobic polymer in an inert solvent ( eg . toluene or dimethylformamide ) was poured onto a glass tray and the solvent allowed to evaporate . As discussed above , however , the mixing of the polymers with contrasting ...
... polymer and a hydrophobic polymer in an inert solvent ( eg . toluene or dimethylformamide ) was poured onto a glass tray and the solvent allowed to evaporate . As discussed above , however , the mixing of the polymers with contrasting ...
Pagina 79
... polymer in determining the chemistry of the membrane . When the polymer is dry , the trend will be for rather strong interactions between the fixed ionic groups of the polymer and the counter ions so that the polymer will have only a ...
... polymer in determining the chemistry of the membrane . When the polymer is dry , the trend will be for rather strong interactions between the fixed ionic groups of the polymer and the counter ions so that the polymer will have only a ...
Pagina 82
Thomas A. Davis, J. David Genders, Derek Pletcher. polymer is rather hydrophilic and the water content must be limited by extensive crosslinking which limits the ability of the polymer to expand . The structure is uniform throughout the ...
Thomas A. Davis, J. David Genders, Derek Pletcher. polymer is rather hydrophilic and the water content must be limited by extensive crosslinking which limits the ability of the polymer to expand . The structure is uniform throughout the ...
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A First Course in Ion Permeable Membranes Thomas A. Davis,J. David Genders,Derek Pletcher Visualizzazione estratti - 1997 |
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amine anion anion and cation anode anolyte applications aqueous domains aqueous solution back migration bipolar membrane carboxylate polymer cathode catholyte cation exchange membrane cation permeable membrane cell voltage charge Chem chemical chemistry chlor-alkali chlor-alkali industry chloride co-ions commercial membranes concentration conductivity counter ions crosslinking current density current efficiency depleting determined diffusion coefficient dilute divinylbenzene electrical Electrochem electrodialysis stack Electrosynthesis equation equivalent weight example Figure fixed ionic groups fluorocarbon flux gradient H.L. Yeager H₂ H₂O Hence hydration increase interface ion exchange ion exchange capacity ion exchange polymer ion permeable membranes Ionomer layer manufacture membrane pairs membrane polymer Membrane Sci membrane surface metal mole molecules monomers NaCl Nafion NaOH Neosepta oxidation perfluorinated membranes perfluorinated polymers perfluorinated sulfonate pretreatment properties proton resistance salt splitting sodium hydroxide sodium sulfate species stability stream structure styrene/divinylbenzene copolymers sulfonate sulfonate polymer sulfuric acid temperature transport number water content