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Inventors: Wang X, Pan JM, Guan W, Zou XH, Yan YS, Li CX
Patent Title: Preparation method for selectively separating 2-amino-4-nitrophenol magnetic polymer
Publication date: 2012
Publication number: CN102432738

Abstract: The invention discloses a preparation method for selectively separating a 2-amino-4-nitrophenol magnetic polymer and belongs to the technical field of material preparation and environmental pollution control. The method comprises the following steps of: synthesizing carboxylated wollastonite through amination and carboxylation, and preparing a magnetic wollastonite material by a solvothermal method; and adding a prepolymerization solution of template molecules (2-amino-4-nitrophenol) and alpha-methacrylic acid, polyethylene glycol-6000/magnetic particle suspension, an initiator, a crosslinking agent and styrene into distilled water in a certain volume, initiating synthesis by using microwaves under nitrogen protection and constant stirring conditions, and removing the template molecules by using methanol as a cleaning solution through Soxhlet extraction to obtain a magnetic molecularly imprinted polymer matched with the template molecules. The magnetic molecularly imprinted polymer can be separated more simply, quickly and effectively; the separation efficiency of the imprinted polymer is improved; and the method has the advantage that phenolic pollutants are highly selectively separated.
URL: http://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120502&DB=EPODOC&locale=en_EP&CC=CN&NR=102432738A&KC=A&ND=4

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