Abstract

A new polymeric blend system is developed from the EMA and PVDF by melt-mixing at various blend compositions. Different techniques characterize the prepared blends, and especially, optical microscopy, XRD, and SAXS analyses study the blend crystallization. A microporous structure is prepared by selective solubilization of PVDF from the EMA/PVDF blends can be used as a membrane filter. The membrane prepared at various blend compositions from 90/10 to 60/40 ratio and tested in the cross-flow filtration cell. 70/30 membrane shows high water flux, and porosity is chosen for compaction and antifouling experiments. Membrane surface is modified with a nanocomposite prepared from poly(ethylene imine) and reduced graphene oxide (PEI/rGO) mixture at different concentrations to study the antifouling property during the BSA filtration. 5 wt% filler membrane shows improved flux recovery ratio (FRR) and lowest irreversible flux recovery ratio (IFR) compared to the control membrane.

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