Inventors: Yang T
, Huangpu WG
, Xie XC
Molecular engram polymer of pyrethroid-like pesticide and application thereof
Publication date: 2008
A molecular imprinting polymer of a pyrethroid insecticide is characterized in that the polymer is prepared by the following steps: a. a pyrethroid template molecule, a functional monomer for polymerization, a cross-linker and a pore-forming agent are mixed; b. the substances are arranged in a closed container after being uniformly mixed, the pure nitrogen aeration is used for removing the oxygen, the in-situ polymerization is carried out by adopting the thermal-initiation or the photo-initiation mode after the closing, thus generating the molecular imprinting polymer; c. the molecular imprinting polymer is ground, mixed liquid of organic solvent and acid is utilized for removing the template molecule; d. and the molecular imprinting polymer which is obtained in step c is dried in the vacuum condition. The invention further discloses an application of the polymer, compared with the prior art, the molecular imprinting polymer has the advantages that: the preparation process is simple, the operatability is strong and the preparation cost is low; the prepared polymer has good selectivity and high enrichment degree, which can be widely applied in the pre-treatment process of the pyrethroid insecticide residues of the environmental, biological and food samples, etc.
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