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https://doi.org/10.1038/pj.2013.79
Title: | In situ polymerization of PVDF-HEMA polymers: Electrospun membranes with improved flux and antifouling properties for water filtration | Authors: | Nasreen, S.A.A.N. Sundarrajan, S. Syed Nizar, S.A. Balamurugan, R. Ramakrishna, S. |
Keywords: | BSA adsorption studies dead end method electrospinning in situ polymerization microfiltration pure water flux |
Issue Date: | Mar-2014 | Citation: | Nasreen, S.A.A.N., Sundarrajan, S., Syed Nizar, S.A., Balamurugan, R., Ramakrishna, S. (2014-03). In situ polymerization of PVDF-HEMA polymers: Electrospun membranes with improved flux and antifouling properties for water filtration. Polymer Journal 46 (3) : 167-174. ScholarBank@NUS Repository. https://doi.org/10.1038/pj.2013.79 | Abstract: | In situ polymerization of poly (vinylidene fluoride) (PVDF) with hydroxyethylmethacrylate (HEMA) followed by electrospinning was employed to prepare electrospun nanofibrous membranes (ENMs), referred to as PVDF-PHEMA-ENMs. Enhanced hydrophilicity of the ENMs was observed after polymerization. A decrease in the fiber thickness resulted in a decrease in the pore size and 60% improvement in the flux. The fiber mat exhibited excellent microfiltration behavior after being coated with a surface-charged chitosan (CS) polymer, compared with its non-coated counterparts. Porosity, flux and protein adsorption studies were performed for these ENMs. A comparatively less reduced flux and better recovery ratio were observed for the PVDF-PHEMA-ENMs and CS-coated PVDF-PHEMA-ENMs due to hydrophilic pendant hydroxyl groups (from PHEMA) and/or CS groups, which can prohibit irreversible protein adsorption, on the ENM surfaces. © 2014 The Society of Polymer Science, Japan (SPSJ). | Source Title: | Polymer Journal | URI: | http://scholarbank.nus.edu.sg/handle/10635/85304 | ISSN: | 00323896 | DOI: | 10.1038/pj.2013.79 |
Appears in Collections: | Staff Publications |
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