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A kind of preparation method of inorganic porous nano material

A nanomaterial and inorganic porous technology, which is applied in the field of preparation of inorganic porous nanomaterials, can solve the problems of high cost and complex process of porous nanomaterials, and achieve the effect of low cost, simple process and mild conditions

Inactive Publication Date: 2017-07-18
ANHUI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the preparation of porous nanomaterials has the disadvantages of complex process and high cost, and the adjustment of pore size, pore wall thickness, pore uniformity and stability are still key technologies that limit the practical application of porous nanomaterials.

Method used

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  • A kind of preparation method of inorganic porous nano material
  • A kind of preparation method of inorganic porous nano material
  • A kind of preparation method of inorganic porous nano material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A kind of preparation method of inorganic porous nanometer material that the present invention proposes, comprises the following steps:

[0032] S1, adding 4-vinyl epoxy cyclohexane and 1-thioglycerol to methanol to obtain a reaction solution, wherein, in the reaction solution, the molar ratio of 4-vinyl epoxy cyclohexane to 1-thioglycerol is 1:1.2; After the reaction solution is heated to reflux, dropwise add the methanol solution of azobisisobutyronitrile, wherein, the time of dropping is 0.6h, the molar ratio of azobisisobutyronitrile to 4-vinyl epoxycyclohexane 3:100, then reflux reaction for 30h, after the reaction, cool, evaporate, wash, and dry to obtain soft template small molecules;

[0033] S2, adding the obtained soft template small molecule into methanol to prepare a soft template solution, wherein, in the soft template solution, the mass volume concentration of the soft template small molecule is 5mg / ml, and after stirring, add the precursor of the inorgani...

Embodiment 2

[0035] A kind of preparation method of inorganic porous nanometer material that the present invention proposes, comprises the following steps:

[0036] S1, adding 4-vinyl epoxy cyclohexane and 1-thioglycerol to methanol to obtain a reaction solution, wherein, in the reaction solution, the molar ratio of 4-vinyl epoxy cyclohexane to 1-thioglycerol is 1:2; after the reaction solution is heated to reflux, dropwise add the methanol solution of azobisisobutyronitrile, wherein, the time of dropping is 1.3h, the molar ratio of azobisisobutyronitrile to 4-vinyl epoxycyclohexane 7:100, then reflux reaction for 20h, after the reaction, cool, evaporate, wash, and dry to obtain soft template small molecules;

[0037] S2. Add the obtained soft template small molecule into water to prepare a soft template solution, wherein, in the soft template solution, the mass volume concentration of the soft template small molecule is 20 mg / ml, and after stirring, add the precursor of the inorganic poro...

Embodiment 3

[0039] A kind of preparation method of inorganic porous nanometer material that the present invention proposes, comprises the following steps:

[0040] S1, adding 4-vinyl epoxy cyclohexane and 1-thioglycerol to methanol to obtain a reaction solution, wherein, in the reaction solution, the molar ratio of 4-vinyl epoxy cyclohexane to 1-thioglycerol is 1:1.8; After the reaction solution is heated to reflux, dropwise add the methanol solution of azobisisobutyronitrile, wherein, the time of dropping is 1.1h, the molar ratio of azobisisobutyronitrile to 4-vinyl epoxycyclohexane 4:100, then reflux reaction for 26h, after the reaction, cool, evaporate, wash, and dry to obtain soft template small molecules;

[0041] S2. Add the obtained soft template small molecule into the mixed solution of methanol and water to prepare a soft template solution, wherein, in the mixed solution of methanol and water, the volume ratio of methanol and water is 1:3, and the mass of the soft template small ...

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Abstract

The invention discloses a preparation method for inorganic porous nanomaterials; the method includes the steps: adding 4-vinyl epoxy cyclohexane and 1-thioglycerol into methanol to obtain a reaction liquid, wherein the molar ratio of 4-vinyl epoxy cyclohexane to 1-thioglycerol is 1 to (1.2-2); carrying out heating reflux of the reaction liquid, then adding a methanol solution of azodiisobutyronitrile, and carrying out a reflux reaction for 20-30 h; then cooling, evaporating, washing and drying to obtain soft template small molecules; adding the obtained soft template small molecules to a solvent to prepare a soft template solution, stirring, and then adding a precursor of the inorganic porous nanomaterials for hydrolysis or alcoholysis; and then stirring, centrifuging, washing and calcining. The preparation method of the inorganic porous nanomaterials can be used for preparation of a variety of inorganic porous nanomaterials, the process is simple, conditions are mild, the cost is low, and the obtained nanomaterials have the advantages of uniform particle size, large specific surface area and good stability.

Description

technical field [0001] The invention relates to the technical field of synthesis of nanomaterials, in particular to a method for preparing inorganic porous nanomaterials. Background technique [0002] Porous nanomaterials are an important class of porous materials. Its pore size ranges from 1-100nm. Due to the small pores, porous nanomaterials are an important branch of nanomaterials. This type of material has a large specific surface area, high porosity, and high penetration. It is widely used in the fields of ion exchange, separation, catalysis, sensor, separation and purification of biomolecules, etc. The academic significance of porous nanomaterials lies in the synthesis of nanoparticles, nanowires, and other quantum nanostructures within the nanoscale space, thereby providing an opportunity for the research of inclusion chemistry, guest-host structure synthesis, and molecular control and reaction. However, the preparation of porous nanomaterials has the disadvantages o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C30B29/16C01F7/02C01B33/12C01G23/053C01G29/00B82Y30/00
CPCB82Y30/00C01B33/12C01F7/02C01G23/053C01G29/00C01P2004/03C01P2004/04C01P2004/62C01P2004/64C01P2006/17
Inventor 黄新华张凯利
Owner ANHUI UNIV OF SCI & TECH