Preparation method and application of microwave-initiated polymerization magnetic temperature-sensitive imprinting material

Abstract

The invention belongs to the technical field of environmental material synthesis, and particularly relates to a preparation method of a microwave-initiated polymerization magnetic temperature-sensitive imprinting material and application of the material in selective controllable photocatalytic degradation of ciprofloxacin. The preparation method comprises the following specific steps: synthesizinga magnetic carbon material through a ball milling-calcining method, carrying out surface modification on the magnetic carbon material, synthesizing Ag-POPD, and preparing the magnetic temperature-sensitive imprinting material by taking Ag-POPD as a functional monomer and taking N-isopropylacrylamide as a temperature-sensitive monomer through a microwave-initiated polymerization surface imprintingtechnology. A magnetic carbon material, a temperature-sensitive material, an organic semiconductor material and a surface imprinting material are combined, the synthesized magnetic temperature-sensitive imprinting material has good magnetic separation characteristics and high photocatalytic activity, ciprofloxacin residues can be selectively removed from multiple substances, controllable adjustment of the photocatalytic degradation process can be achieved, and the magnetic temperature-sensitive imprinting material has wide prospects and application value.

Description

technical field [0001] The invention belongs to the technical field of environmental material synthesis, and in particular relates to a preparation method of a microwave-initiated polymerized magnetic temperature-sensitive imprinted material, and its application of selectively controllable photocatalytic degradation of ciprofloxacin. Background technique [0002] As a green oxidation technology, photocatalysis technology is widely used in the field of water pollution control. However, with the development of society, specific pollutants in some special water environments need to be specifically removed. In addition, if the controllable adjustment of the photocatalytic degradation process can be realized, it will have great impact on the application of photocatalytic technology in water pollution control. The functional application in the field is of great significance. To this end, on the one hand, we combine surface imprinting technology and photocatalytic technology, and ...

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Problems solved by technology

[0004] At present, there are many research reports on the application of photocatalytic technology to water pollution control. There are also some research reports on the combination of surface imprinting technology and photocatalytic technology for water pollution control. Organic semiconductors are introduced as functional monomers into the surface imprinted layer and There are also individual reports to achieve the selective photocatalytic removal of specific target pollutants. In addition, there are some reports on the application of temperature-sensitive materials to the photocatalytic removal of organic pollutants. However, the combination of temperature-sensitive materials, photocatalytic materials and surface However, there is no report on the combination of imprinted materials; in addition, there is no report on the use of ball milling and calcination to convert waste biomass into magnetic carbon materials and apply it to the field of photocatalytic wastewater treatment.

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