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|Title:||In situ polymerization of PVDF-HEMA polymers: Electrospun membranes with improved flux and antifouling properties for water filtration|
Syed Nizar, S.A.
|Keywords:||BSA adsorption studies|
dead end method
in situ polymerization
pure water flux
|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|
|Appears in Collections:||Staff Publications|
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