Amino functionalized mesoporous macromolecular small nanosphere and preparation method thereof

A technology of nano-spheres and amino functions, which is applied in the field of amino-functionalized mesoporous polymer nano-spheres and its preparation, which can solve the problems of heavy workload, constraints, unfavorable mass transfer and diffusion, and achieve high yield and easy operation easy effect

Inactive Publication Date: 2014-02-05
SHANGHAI NORMAL UNIVERSITY
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Problems solved by technology

However, traditional mesoporous materials are mostly prepared by solvent evaporation-induced self-assembly method (EISA), which has low yield and heavy workload, and the prepared materials are macroscopically disordered, with i...

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  • Amino functionalized mesoporous macromolecular small nanosphere and preparation method thereof
  • Amino functionalized mesoporous macromolecular small nanosphere and preparation method thereof
  • Amino functionalized mesoporous macromolecular small nanosphere and preparation method thereof

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Embodiment Construction

[0030] In a nutshell, the present invention is based on the organic-organic self-assembly strategy, selects triblock copolymer F127 (polyethylene oxide-polypropylene oxide-polyethylene oxide) as a surfactant, and uses phenol, m-nitrogen Based on phenol and formaldehyde as macromolecular monomers, the chemical composition of amino-functionalized ordered mesoporous phenolic resin materials was realized by changing the ratio or concentration of macromolecular monomers and experimental process conditions by using hydrothermal method combined with in-situ one-step post-reduction technology , effective control of pore structure and morphology, to obtain ordered functionalized mesoporous materials with high amino content, large specific surface area and spherical short pores, that is, amino functionalized mesoporous polymer nanospheres, which are expected to be used in gas Storage, heavy metal ion adsorption, organic catalysis and other aspects have been widely used.

[0031] The tec...

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Abstract

The invention discloses an amino functionalized mesoporous macromolecular small nanosphere and a preparation method thereof. The small nanosphere is a spherical particle with diameter of 100-200 nm, and has a three-dimensional centered cubic phase mesoporous structure. The preparation method comprises the following steps: taking p-nitrophenol, formaldehyde and phenol as raw materials; synthesizing a nitro functionalized high-molecular performed polymer by a hydrothermal method; then conducting a hydro-thermal treatment on the high-molecular performed polymer at 120-130 DEG C for 16-24 h; then cooling to room temperature; separating out solids in the mixed reactants; and calcining the solids in a protective atmosphere at 350-380 DEG C to obtain a target product. The amino functionalized mesoporous polymer small nanosphere provided by the invention has the advantages of high amino content, large specific surface area, 3D centered cubic phase mesoporous structure, stereoscopic morphology, simple and controllable preparation process and low cost, and has wide application prospects in the fields of organic base catalytic reactions, CO2 adsorption and heavy metal ion adsorption.

Description

Technical field [0001] The present invention involves a medium -hole polymer nano -material and its preparation process, and specially involves one amino -functional meritorized hyperton nano -small ball and its preparation method. Background technique [0002] Traditional media materials have many advantages, and have been widely used in the fields of catalytic, adsorption, and energy storage.However, most of the traditional media materials are made of solvent volatilization and induced self -assembly method (EISA). The production rate of its preparation process is low, the workload is large, and the materials are macro -disorderly, have irregular appearances and long -hole roadsThese factors will lead to unfavorable quality and diffusion, which will severely restrict the application of traditional media materials in the field of catalytic and adsorption. Invention content [0003] The main purpose of the present invention is to provide an amino -functional medium -to -hole pol...

Claims

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Application Information

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IPC IPC(8): C08J9/26C08J9/24C08G8/16
Inventor 张昉沈健李和兴
Owner SHANGHAI NORMAL UNIVERSITY
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