A First Course in Ion Permeable MembranesElectrochemical Consultancy, 1997 - 255 pagine |
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Pagina 27
... Hence , for a particular type of polymer , the lower the equivalent weight , the greater the number of side chains and fixed ionic groups . ( b ) For styrene / divinylbenzene copolymers , the number of fixed ionic groups is discussed in ...
... Hence , for a particular type of polymer , the lower the equivalent weight , the greater the number of side chains and fixed ionic groups . ( b ) For styrene / divinylbenzene copolymers , the number of fixed ionic groups is discussed in ...
Pagina 36
... Hence , several companies set up programmes to develop related but superior performance membranes . The result was the synthesis of a family of novel polymers and the development of new concepts for the fabrication of perfluorinated ...
... Hence , several companies set up programmes to develop related but superior performance membranes . The result was the synthesis of a family of novel polymers and the development of new concepts for the fabrication of perfluorinated ...
Pagina 44
... hence it is common to convert them into methyl or trifluoromethyl esters . The molecular weight of the copolymer should be high enough to obtain the required physical strength , and values may be up to 10 daltons . In practice , the ...
... hence it is common to convert them into methyl or trifluoromethyl esters . The molecular weight of the copolymer should be high enough to obtain the required physical strength , and values may be up to 10 daltons . In practice , the ...
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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