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Asymmetric polyethersulfone membranes with crosslinked poly(glycidyl methacrylate) particles

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2013
2867.pdf (1.094Mb)
Authors
Radovanović, Filip
Tomković, Tanja
Nastasović, Aleksandra
Veličković, Sava
Nešić, Aleksandra
Onjia, Antonije E.
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Abstract
Polyethersulfone (PES) is frequently used for high-performance ultrafiltration membranes. Functionalization of PES membranes is required to introduce new groups for specific applications, such as affinity membranes for bioseparations [1]. Functionalization methods include bulk modification of PES material, blending of PES with another material, or surface modification of PES membranes [2]. In this work a novel method for introducing functional groups in asymmetric PES membranes is presented [3]. A cast film comprising PES, glycidyl methacrylate (GMA) and a common solvent was exposed to UV irradiation to form a gel of crosslinked polyGMA. The gel was then immersed in a water bath to create an asymmetric membrane with crosslinked polyGMA particles, as shown in Fig. 1. A simple treatment of these membranes with diethylene triamine was used to open the epoxide rings in polyGMA particles and introduce amine functional groups. The effects of monomer concentrations on the properties and separ...ation performance of these novel membrane adsorbers will be presented.

Keywords:
polyethersulfone membranes / asymmetric membranes / poly(glycidyl methacrylate) particles
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, 128-128
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)
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URI
http://dais.sanu.ac.rs/123456789/796
http://cer.ihtm.bg.ac.rs/handle/123456789/2841
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