Author/Authors :
Mahdavi, Hossein School of Chemistry - College of Science - University of Tehran, Tehran, Iran , Sheikh-Hasani, Farid School of Chemistry - College of Science - University of Tehran, Tehran, Iran , Mahmoudian, Mehdi Nanotechnology Research Institute - Urmia University, Urmia, Iran
Abstract :
Hyperbranched polyester-grafted poly(vinylidene fluoride) (HBPE-g-PVDF) was synthesized and used as additive in preparation of PVDF blend membranes. HBPE-g-PVDF copolymer was characterized with FTIR and TGA techniques. The prepared membranes were also characterized with SEM, AFM and contact angle measurement. The performance of prepared membranes as nanofiltration membrane was studied by pure water flux (PWF), salt rejection, dynamic and static fouling tests. The results showed that hydrophilicity of prepared membranes greatly increased after blending, and their pore size and pore size distribution and so PWF of blend membranes increased.
Keywords :
PVDF , Nanofiltration , Hyperbranched polyester , Blend membrane
