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Novel negatively-charged ultrafiltration membranes made by a combination of immersion precipitation and photopolymerization

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2013
794.pdf (1.055Mb)
Authors
Radovanović, Filip
Tomković, Tanja
Nastasović, Aleksandra
Veličković, Sava
Nešić, Aleksandra
Onjia, Antonije
Conference object (Published version)
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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 proper...ties and separation performance of these novel UF membranes will be presented.

Keywords:
photopolymerization / polymeric membranes / ultrafiltration membranes / immersion precipitation
Source:
8th International Conference of the Chemical Societies of the South-East European Countries - ICOSECS 8, Belgrade, Serbia, June 27-29, 2013: Book of Abstracts, 2013, 131-131
Publisher:
  • Belgrade : Serbian Chemical Society
Projects:
  • Micro- Nanosystems and Sensors for Electric Power and Process Industry and Environmental Protection (RS-32008)
  • Advanced technologies for monitoring and environmental protection from chemical pollutants and radiation burden (RS-43009)
[ Google Scholar ]
URI
http://dais.sanu.ac.rs/123456789/797
Collections
  • Radovi istraživača pre dolaska u ITN SANU
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - CONF
AU  - Radovanović, Filip
AU  - Tomković, Tanja
AU  - Nastasović, Aleksandra
AU  - Veličković, Sava
AU  - Nešić, Aleksandra
AU  - Onjia, Antonije
PY  - 2013
UR  - http://dais.sanu.ac.rs/123456789/797
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 - ICOSECS 8, Belgrade, Serbia, June 27-29, 2013: Book of Abstracts
T1  - Novel negatively-charged ultrafiltration membranes made by a combination of immersion precipitation and photopolymerization
SP  - 131
EP  - 131
ER  - 
@conference{
author = "Radovanović, Filip and Tomković, Tanja and Nastasović, Aleksandra and Veličković, Sava and Nešić, Aleksandra and Onjia, Antonije",
year = "2013",
url = "http://dais.sanu.ac.rs/123456789/797",
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 - ICOSECS 8, Belgrade, Serbia, June 27-29, 2013: Book of Abstracts",
title = "Novel negatively-charged ultrafiltration membranes made by a combination of immersion precipitation and photopolymerization",
pages = "131-131"
}
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. 8th International Conference of the Chemical Societies of the South-East European Countries - ICOSECS 8, Belgrade, Serbia, June 27-29, 2013: Book of Abstracts. 2013;:131-131
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.
8th International Conference of the Chemical Societies of the South-East European Countries - ICOSECS 8, Belgrade, Serbia, June 27-29, 2013: Book of AbstractsBelgrade : Serbian Chemical Society., null, 131-131. 
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" null (2013):131-131

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