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Citation: Du Jun, Wu Ling, Tao Chang-Yuan, Sun Cai-Xin. Preparation and Characterization of Fe₃O₄/PVDF Magnetic Composite Membrane[J]. Acta Physico-Chimica Sinica, ;2004, 20(06): 598-601. doi: 10.3866/PKU.WHXB20040609 shu

Preparation and Characterization of Fe₃O₄/PVDF Magnetic Composite Membrane

1.
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044; College of Electrical Engineering, Chongqing University, Chongqing　400044

Received Date: 11 December 2003
Available Online: 15 June 2004

Fe3O4 nanoparticles were introduced into microporous poly(vinylidene fluoride) (PVDF)membrane by in-situ membrane phase permeating method and a magnetic composite Fe3O4/PVDF membrane was prepared. Optimum preparation conditions were studied. FT-IR and DSC study indicates that the introducing of Fe3O4 did not affect the PVDF structure and the composite membranes show od thermo-stability. Fe3O4 particle size calculated from XRD result is about 68 nm. The susceptibility of the resulting composite membrane reached 0.044 cm3•g－1 and changed with reaction conditions. The variations of pore size of the composite membrane were investigated by gas permeating method. The maximum and average pore size, as well as pore size distribution, of the composite membranes are different from those of PVDF host membrane, and changed obviously with preparing conditions.
- Fe₃O₄;PVDF;Magnetic composite membrane;In-situ reaction;　Nanostructure materials
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沈阳化工大学材料科学与工程学院沈阳 110142

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Preparation and Characterization of Fe3O4/PVDF Magnetic Composite Membrane

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通讯作者: 陈斌, bchen63@163.com

Preparation and Characterization of Fe₃O₄/PVDF Magnetic Composite Membrane