Novel negatively-charged ultrafiltration membranes made by a combination of immersion precipitation and photopolymerization
2013
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Authors
Radovanović, FilipTomković, Tanja
Nastasović, Aleksandra
Veličković, Sava
Nešić, Aleksandra
Onjia, Antonije
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Ultrafiltration (UF) membranes are currently used in industry for the concentration of proteins and other macromolecules. Performance of UF membranes is generally limited by a trade-off between permeability and selectivity [1]. However, electrically-charged ultrafiltration membranes can provide a dramatic improvement in ultrafiltration performance [2]. Novel UF membranes were made by combining traditional immersion precipitation process for making membranes with photopolymerization of the casting solution comprising polyethersulfone, glycidyl methacrylate and other reactive monomers. Negative charges were introduced either by initially using 2-acrylamido-2-methylpropane sulfonic acid as a reactive monomer, or were later created by epoxide ring opening of crosslinked glycidyl methacrylate. As shown in Fig. 1, selectivity of these membranes significantly improved as the concentration of negatively-charged groups in the membrane increased. The effects of membrane composition on the proper...ties and separation performance of these novel UF membranes will be presented.
Keywords:
photopolymerization / polymeric membranes / ultrafiltration membranes / immersion precipitationSource:
8th International Conference of the Chemical Societies of the South-East European Countries - ICOSEC, 2013, 131-131Publisher:
- Belgrade : Serbian Chemical Society
Funding / projects:
- Micro- Nanosystems and Sensors for Electric Power and Process Industry and Environmental Protection (RS-MESTD-Technological Development (TD or TR)-32008)
- Advanced technologies for monitoring and environmental protection from chemical pollutants and radiation burden (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-43009)
Institution/Community
Tehnološko-metalurški fakultetTY - CONF AU - Radovanović, Filip AU - Tomković, Tanja AU - Nastasović, Aleksandra AU - Veličković, Sava AU - Nešić, Aleksandra AU - Onjia, Antonije PY - 2013 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2285 AB - Ultrafiltration (UF) membranes are currently used in industry for the concentration of proteins and other macromolecules. Performance of UF membranes is generally limited by a trade-off between permeability and selectivity [1]. However, electrically-charged ultrafiltration membranes can provide a dramatic improvement in ultrafiltration performance [2]. Novel UF membranes were made by combining traditional immersion precipitation process for making membranes with photopolymerization of the casting solution comprising polyethersulfone, glycidyl methacrylate and other reactive monomers. Negative charges were introduced either by initially using 2-acrylamido-2-methylpropane sulfonic acid as a reactive monomer, or were later created by epoxide ring opening of crosslinked glycidyl methacrylate. As shown in Fig. 1, selectivity of these membranes significantly improved as the concentration of negatively-charged groups in the membrane increased. The effects of membrane composition on the properties and separation performance of these novel UF membranes will be presented. PB - Belgrade : Serbian Chemical Society C3 - 8th International Conference of the Chemical Societies of the South-East European Countries - ICOSEC T1 - Novel negatively-charged ultrafiltration membranes made by a combination of immersion precipitation and photopolymerization EP - 131 SP - 131 UR - https://hdl.handle.net/21.15107/rcub_vinar_7535 ER -
@conference{ author = "Radovanović, Filip and Tomković, Tanja and Nastasović, Aleksandra and Veličković, Sava and Nešić, Aleksandra and Onjia, Antonije", year = "2013", abstract = "Ultrafiltration (UF) membranes are currently used in industry for the concentration of proteins and other macromolecules. Performance of UF membranes is generally limited by a trade-off between permeability and selectivity [1]. However, electrically-charged ultrafiltration membranes can provide a dramatic improvement in ultrafiltration performance [2]. Novel UF membranes were made by combining traditional immersion precipitation process for making membranes with photopolymerization of the casting solution comprising polyethersulfone, glycidyl methacrylate and other reactive monomers. Negative charges were introduced either by initially using 2-acrylamido-2-methylpropane sulfonic acid as a reactive monomer, or were later created by epoxide ring opening of crosslinked glycidyl methacrylate. As shown in Fig. 1, selectivity of these membranes significantly improved as the concentration of negatively-charged groups in the membrane increased. The effects of membrane composition on the properties and separation performance of these novel UF membranes will be presented.", publisher = "Belgrade : Serbian Chemical Society", journal = "8th International Conference of the Chemical Societies of the South-East European Countries - ICOSEC", title = "Novel negatively-charged ultrafiltration membranes made by a combination of immersion precipitation and photopolymerization", pages = "131-131", url = "https://hdl.handle.net/21.15107/rcub_vinar_7535" }
Radovanović, F., Tomković, T., Nastasović, A., Veličković, S., Nešić, A.,& Onjia, A.. (2013). Novel negatively-charged ultrafiltration membranes made by a combination of immersion precipitation and photopolymerization. in 8th International Conference of the Chemical Societies of the South-East European Countries - ICOSEC Belgrade : Serbian Chemical Society., 131-131. https://hdl.handle.net/21.15107/rcub_vinar_7535
Radovanović F, Tomković T, Nastasović A, Veličković S, Nešić A, Onjia A. Novel negatively-charged ultrafiltration membranes made by a combination of immersion precipitation and photopolymerization. in 8th International Conference of the Chemical Societies of the South-East European Countries - ICOSEC. 2013;:131-131. https://hdl.handle.net/21.15107/rcub_vinar_7535 .
Radovanović, Filip, Tomković, Tanja, Nastasović, Aleksandra, Veličković, Sava, Nešić, Aleksandra, Onjia, Antonije, "Novel negatively-charged ultrafiltration membranes made by a combination of immersion precipitation and photopolymerization" in 8th International Conference of the Chemical Societies of the South-East European Countries - ICOSEC (2013):131-131, https://hdl.handle.net/21.15107/rcub_vinar_7535 .