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Inventors: Wan LS, Wu JA, Yang YF, Zeng QB, Xu ZK
Patent Title: Preparation method and application of sulfonylureas herbicide molecular surface engram separating film
Publication date: 2008
Publication number: CN101185855

Abstract: The invention discloses a preparation method of a sulfonylurea herbicide molecular surface imprinting separation membrane, which comprises: (1) putting a microporous polypropylene membrane into an initiator solution for immersion and air drying to get the microporous polypropylene membrane with the initiator being embedded in the surface; (2) mixing an auxiliary function monomer, alkenyl metalloporphyrin, glycol dimethacrylate, dichloromethane and template molecule in a reactor; (3) immersing the microporous polypropylene membrane with the initiator being embedded in the surface gotten by the step (1) into the reactor of the step (2) for membrane surface graft polymerization to get a surface graft membrane; ; (4) washing the surface graft membrane in an eluent to remove each residual monomer and template molecule and drying to get the sulfonylurea herbicide molecular surface imprinting separation membrane. The sulfonylurea herbicide molecular surface imprinting separation membrane prepared by the invention is characterized by high selectivity and high sensitivity.
URL: http://v3.espacenet.com/publicationDetails/biblio?DB=EPODOC&adjacent=true&locale=en_gb&FT=D&date=20080528&CC=CN&NR=101185855A&KC=A

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