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Inventors: Zhao J, Wu YL, Li CX, Yan YS
Patent Title: Preparation method and application of GO/PVDF (Graphene Oxide/Polyvinylidene Fluoride) molecularly imprinted composite membrane
Publication date: 2018
Publication number: CN107638814A

Abstract: The invention relates to a preparation method and application of a GO/PVDF (Graphene Oxide/Polyvinylidene Fluoride) molecularly imprinted composite membrane for selectively separating norfloxacin, andbelongs to the technical field of new materials. The molecularly imprinted composite membrane is mainly synthesized through four steps of reactions: firstly, synthesizing graphene oxide nano-sheets;secondly, mixing graphene oxide and PVDF powder, and synthesizing a GO/PVDF mixed membrane through a phase inversion method; thirdly, coating the surface of the mixed membrane with TiO2 (Titanium Dioxide) through a hydrolysis reaction; finally, synthesizing a norfloxacin molecularly imprinted composite membrane by taking the norfloxacin, AM (Acrylamide), EGDMA (Ethylene Glycol Dimethacrylate) andAIBN (Azodiisobutyronitrile) as raw materials. The molecularly imprinted composite membrane is used for detecting residual norfloxacin in a water body. The preparation method provided by the inventionhas the characteristics of convenience in operation, easiness in implementation, higher in yield, mild in reaction conditions and the like, and is expected to be used in industrial production; in addition, static adsorption and selective permeability test results show that the molecularly imprinted composite membrane prepared by the invention has good separating performance and selectivity to thenorfloxacin.
URL: https://worldwide.espacenet.com/publicationDetails/biblio?CC=CN&NR=107638814A&KC=A&FT=D&DB=EPODOC&locale=en_EP&date=20180130&rss=true

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