Preparation And Properties Of Mulltifuntiodal Molecularly Imprinted Polymers For Phenolic Endocrine Disrupting Chemicals

The molecular imprinting technique belongs to the scope of supermolecular chemistry isa specific target molecule as a template. It is derived from polymer chemistry, materialschemistry, biochemistry and other disciplines, an interdisciplinary technology, often describedfor the preparation and identification of "molecular key" and artificial "lock".This research has mainly taken the surface molecular imprinting technique, on theFe₃O₄@SiO₂and Fe₃O₄-CdTe@SiO₂surface grafted molecularly imprinted polymerspreparation. Magnetic molecularly imprinted Polymer （Fe₃O₄@SiO₂-MIP） of4-chlorophenolas a template molecule and magnetic fluorescent molecularly imprinted polymerp-nitrophenol as a template of （Fe₃O₄-CdTe@SiO₂-MIP）microspheres. Scanning electricmirror （SEM）, transmission electronic microscopy （TEM）, fourier transform infraredspectroscopy （FTIR）, thermogravimetric analysis （TGA）, the EDS spectroscopy and vibratingsample magnetic field meter and other instruments of Fe₃O₄@SiO₂-MIP andFe₃O₄-CdTe@SiO₂-MIP carried Characterization and analysis.In this study, Fe₃O₄super paramagnetic prepared by precipitation method. Then preparedwater-based magnetic fluid and using sol-gel method Fe₃O₄coating of SiO₂in the surfacegrafted MPS, and4-chlorophenol as a template molecule. Methacrylic acid （MAA） asfunctional monomer, divinylbenzene （DVB） as cross linking agent prepared with magneticmolecularly imprinted polymer （Fe₃O₄@SiO₂-MIPs）. Experimental results show Fe₃O₄@SiO₂-MIP has good adsorption properties and select properties.In this study, Fe₃O₄super paramagnetic prepared by precipitation mothod. Fe₃O₄andquantum dots （CdTe） surface with the oleic acid modified, and the ratio of2:1was prepared inaccordance with the quality of the oil-based magnetic fluid, and then the sol-gel methoda onFe₃O₄surface coating of silica. With the MPS modified, synthesis p-nitrophenol as thetemplate molecules, methacrylamide （MAAM） as functional monomer, ethyleneglycoldimethacrylate （EGDMA） as crosslinker polymer microspheres.