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Multi-component reaction preparing method for functional nanometer porous polymer material

A polymer material, multi-component reaction technology, applied in the fields of material chemistry and physical chemistry, can solve the problems of difficult functionalization, high cost, complex synthesis process, etc., and achieve the effect of low cost, high efficiency preparation, and uniform pore size distribution

Inactive Publication Date: 2014-05-28
SHAOXING UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention overcomes the problems of complex synthetic process, high cost and difficult functionalization of traditional porous polymer materials, and provides a new method for preparing functionalized nanoporous polymer materials by combining multi-component technology and solvothermal technology, realizing Simple, low-cost, and efficient preparation of novel nanoporous functionalized polymer materials

Method used

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  • Multi-component reaction preparing method for functional nanometer porous polymer material
  • Multi-component reaction preparing method for functional nanometer porous polymer material
  • Multi-component reaction preparing method for functional nanometer porous polymer material

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preparation example Construction

[0017] The invention provides a multi-component reaction preparation method for a functionalized nanoporous polymer material, which includes the following steps. a. Using multi-component synthesis technology to prepare aldehyde reactants containing double bonds: in a 100mL round bottom flask, add stirring magnets, 10mmol of p-hydroxybenzaldehyde, 50mL of N,N-dimethylformamide, allyl Bromine 15mmol and K 2 CO 3 20mmol, after 10 hours at room temperature, the reaction was detected by thin-layer chromatography TLC, and 20mL of water and 200mL of ethyl acetate were added to the reaction mixture, and the organic phase was taken after layering, and the aqueous phase was extracted with ethyl acetate. Washed with saturated NaCl aqueous solution, anhydrous NaCl 2 SO 4 Dry, concentrate under reduced pressure, and separate by column chromatography to obtain the product 4-allyloxybenzaldehyde. The product obtained in step a was 8.5 mmol, and the yield was 85%. The reaction synthesis ...

Embodiment 1

[0027] Take 0.02 g of azobisisobutyronitrile, 2.0 g of divinylbenzene, and 1.5 g of functional monomers, then add 15 g of tetrahydrofuran solvent, stir at room temperature for 3 hours, put in a kettle, and heat-treat with solvent at 100 ° C for 24 hours. The pressure in the reactor is about 2MPa, open the cover, and evaporate the residual solvent at room temperature to obtain a functionalized nanoporous polymer material. The specific surface area of ​​the material is about 400m 2 / g, the pore size is 4nm.

Embodiment 2

[0029] Take 0.1 g of azobisisobutyronitrile, 2.0 g of divinylbenzene, and 2.0 g of functional monomers, then add 20 g of ethyl acetate solvent, stir at room temperature for 3 hours, put it in a kettle, and heat it at 60°C for 48 hours. Inflate with nitrogen, keep the pressure at about 5.0MPa, open the cover, evaporate at room temperature to remove the residual solvent, and then obtain the functionalized nanoporous polymer material.

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Abstract

The invention provides a multi-component reaction preparing method for a functional nanometer porous polymer material. The multi-component reaction preparing method comprises the following steps: a, preparing an aldehyde reactant containing double bonds by a multi-component synthesis technology; b, utilizing 4-(allyloxy)benzaldehyde which is prepared in step a to realize Ugi four-component reaction so as to prepare a functional monomer; c, polymerizing reaction: using divinyl benzene as a crosslinking monomer, adding an initiator, and carrying out copolymerization reaction on the divinyl benzene and a proper quantity of Ugi reaction product by a solvothermal process so as to obtain the functional nanometer porous polymer material, wherein the mass ratio of the divinyl benzene to the functional monomer is 1.0-4.0, the mass ratio of the initiator to the divinyl benzene is 0.01-0.05, the mass ratio of a solvent to the divinyl benzene is 4.0-10.0, the polymerizing temperature is in a range between 60 DEG C and 200 DEG C, the pressure is controlled between 0.1MPa and 5.0MPa, and the reaction lasts for 12-48 hours.

Description

technical field [0001] The invention belongs to the technical fields of physical chemistry and material chemistry, and in particular relates to a multi-component reaction preparation method of a functionalized nanoporous polymer material. Background technique [0002] Nanoporous polymer materials are one of the emerging functional materials in the field of nanomaterials science in recent years. It has the characteristics of low synthesis cost, convenient functionalization, large specific surface area, and rich pore structure. The above advantages make it show important potential application value in the fields of catalysis, bioengineering, sensor and selective adsorption and separation of gases. [0003] Common porous polymer materials are mainly macroporous resins, which are relatively simple to prepare and have a large specific surface area, and have been widely used in the fields of adsorption, separation, and ion exchange. However, its pore size distribution is not unif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F212/36C08F216/14C08J9/28C07C47/575C07C45/64C07C237/20C07C231/06
Inventor 孔维萍刘福建冯高峰
Owner SHAOXING UNIVERSITY
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