A First Course in Ion Permeable MembranesElectrochemical Consultancy, 1997 - 255 pagine |
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Pagina 53
... ion exchange 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 ...
... ion exchange 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 ...
Pagina 101
... polymers , the ionic exchange capacity will depend on the ratio of substituted to unsubstituted fluoroethylenes in the polymer chain and to a lesser extent on the length of the sidechains . Hence , the ion exchange capacity is ...
... polymers , the ionic exchange capacity will depend on the ratio of substituted to unsubstituted fluoroethylenes in the polymer chain and to a lesser extent on the length of the sidechains . Hence , the ion exchange capacity is ...
Pagina 243
... ion exchange polymer may either be a perfluorinated or a hydrocarbon polymer as well as either anion or cation permeable . Their key advantages are mechanical and dimensional stability even when made as very thin membranes ( down to 5 ...
... ion exchange polymer may either be a perfluorinated or a hydrocarbon polymer as well as either anion or cation permeable . Their key advantages are mechanical and dimensional stability even when made as very thin membranes ( down to 5 ...
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A First Course in Ion Permeable Membranes Thomas A. Davis,J. David Genders,Derek Pletcher Visualizzazione estratti - 1997 |
Parole e frasi comuni
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