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Inventors: Chen JP, Sun XL, Wang JC, Jin J, Wang XL, Gao Y
Patent Title: Preparation method and application of dummy template molecularly imprinted polymer
Publication date: 2014
Publication number: CN104250349

Abstract: The invention provides a preparation method and an application method of a dummy template molecularly imprinted polymer selectively enriching bisphenol endocrine disruptors. The preparation method comprises the following steps: dissolving dummy template molecules, a crosslinking agent, a functional monomer and an initiator in a pore forming solvent to prepare a pre-polymerization solution, carrying out a polymerization reaction at 50-70DEG C for 24-48h; and grinding a white block polymer generated through the polymerization reaction, sieving, settling to obtain polymer particles with the particle size of 45-63μm, carrying out soxhlet extraction or ultrasonic extraction with methanol/acetic acid and methanol as an extraction solvent, and removing residual template molecules and unreacted substances in order to obtain the dummy template molecularly imprinted polymer. The invention also provides a solid phase extraction filler. The filler is the dummy template molecularly imprinted polymer. The dummy template molecularly imprinted polymer has very strong specific selectivity and enrichment ability to bisphenol F, bisphenol E, bisphenol A, bisphenol B, bisphenol AF, tetrabromobisphenol A and other bisphenol compounds, solves the template bleeding problem during trace analysis, and realizes the rapid, senseitive, accurate and efficient detection of the bisphenol endocrine disruptors in environment, foods and biological samples.
URL: http://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=20141231&CC=CN&NR=104250349A&KC=A

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