| Title: | Membranes from polysulfone/N,N-dimethylacetamide/water system : structure and water flux |
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| Authors: | ID Kaiser, Vladimir (Author)
ID Stropnik, Črtomir (Author) |
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| Files: |  Acta_Chimica_Slovenica_2000_Kaiser,_Stropnik_Membranes_from_polysulfoneN,N-dimethylacetamidewater_system_structure_and_water_flux.pdf (112,47 KB)
MD5: C448CD54C6EE862492F9A6148886F46C
PID: 20.500.12556/dkum/9bbb6df9-d194-484e-b982-2368b8c48b83
 http://acta-arhiv.chem-soc.si/47/47-2-205.pdf
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| Language: | English |
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| Work type: | Scientific work |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FKKT - Faculty of Chemistry and Chemical Engineering
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| Abstract: | Polymeric membranes were prepared by the wet-phase separation method from solutions of different contents of polysulfone in N,N-dimethylacetamide; solutions were cast in different thickness before immersion into the pure water coagulation bath. Two main processes take place during the formation of membranes: nucleation and growth of the polymer lean phase with subsequent solidification of the polymer rich phase, and the formation of channels, macrovoids and mega-macrovoids. By the first process a cellular structure is formed whilst the second process connects the cells by opening the space between them. The degree of interconnectedness is an additional factor that affects the pure water flux. By changing the cast solution compositions and/or their cast thickness the interconnectedness of the cells can be controlled. |
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| Keywords: | chemical technology, organic technology, polymer membranes, membrane preparation, wet phase inversion, polymers, polysulphon |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Year of publishing: | 2000 |
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| Number of pages: | str. 205-213 |
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| Numbering: | Letn. 47, št. 2 |
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| PID: | 20.500.12556/DKUM-67462  |
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| ISSN: | 1318-0207 |
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| UDC: | 678.6.66.081.6 |
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| ISSN on article: | 1318-0207 |
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| COBISS.SI-ID: | 22323973 |
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| NUK URN: | URN:SI:UM:DK:JCLYLECW |
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| Publication date in DKUM: | 18.08.2017 |
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| Views: | 1748 |
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| Downloads: | 131 |
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| Metadata: |    |
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| Categories: | Misc.
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