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Preparation method of magnesium boride nanoparticles

A nanoparticle, magnesium boride technology, applied in the field of advanced nanomaterial preparation, can solve the problems of energy consumption and time consumption, and achieve the effect of strong antibacterial activity and large specific surface area

Inactive Publication Date: 2020-02-28
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Magnesium boride is a superconducting material, which is generally prepared by high-temperature sintering, which not only consumes energy but also takes time

Method used

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  • Preparation method of magnesium boride nanoparticles
  • Preparation method of magnesium boride nanoparticles
  • Preparation method of magnesium boride nanoparticles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) 4mmol MgCl 2 Add 20 mL of triethylphenylammonium bis(trifluoromethanesulfonyl)imide ionic liquid, and stir for 20 minutes under the protection of argon to form a solution;

[0026] (2) Transfer the mixed solution of step (1) to a 50mL reaction kettle under the protection of argon, and feed borane to make borane and MgCl 2 The mol ratio is 4.5:1, airtight reactor;

[0027] (3) Turn on the liquid phase plasma, the power is 500W, and the mixed solution in the reaction kettle of step (2) is processed at room temperature for 30min to obtain the magnesium boride nano particle crude product;

[0028] (4) Wash the product three times with deionized water, then three times with absolute ethanol, and dry it for later use.

Embodiment 2

[0030] (1) 4mmol MgCl 2 Add 20 mL of triethylphenylammonium bis(trifluoromethanesulfonyl)imide ionic liquid, and stir for 20 minutes under the protection of argon to form a solution;

[0031] (2) Transfer the mixed solution of step (1) to a 50mL reaction kettle under the protection of argon, and feed borane to make borane and MgCl 2 The mol ratio is 4.5:1, airtight reactor;

[0032] (3) Turn on the liquid phase plasma, the power is 600W, and the mixed solution in the reaction kettle of step (2) is processed at room temperature for 30min to obtain the magnesium boride nano particle crude product;

[0033] (4) Wash the product three times with deionized water, then three times with absolute ethanol, and dry it for later use.

Embodiment 3

[0035] (1) 4mmol MgCl 2 Add 20 mL of triethylphenylammonium bis(trifluoromethanesulfonyl)imide ionic liquid, and stir for 20 minutes under the protection of argon to form a solution;

[0036] (2) Transfer the mixed solution of step (1) to a 50mL reaction kettle under the protection of argon, and feed borane to make borane and MgCl 2 The mol ratio is 4.5:1, airtight reactor;

[0037] (3) Open the liquid phase plasma, the power is 400W, and the mixed solution in the reaction kettle of step (2) is processed at room temperature for 30min to obtain the crude product of magnesium boride nanoparticles;

[0038] (4) Wash the product three times with deionized water, then three times with absolute ethanol, and dry it for later use.

[0039] The performance of magnesium boride nanoparticles of the present invention:

[0040] The sample prepared in Example 1 was characterized by TEM, figure 1 TEM image of the sample. from figure 1 It can be seen that the average particle size of th...

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Abstract

The invention discloses a preparation method of magnesium boride nanoparticles. According to liquid phase plasma technology, the magnesium boride nanoparticles are synthesized by reducing MgCl2 with borane in triethylphenylammonium bis (trifluoromethanesulfonyl) imine ionic liquid at room temperature. Compared with commercial magnesium boride, the prepared magnesium boride nanoparticles are largerin specific surface area and stronger in antibacterial effect. Compared with amikacin and vertilmicin sulfate, the magnesium boride nanoparticles prepared by the invention show stronger antibacterialactivity on enterobacter cloacae. Through the excellent antibacterial property of the enterobacter cloacae, the wide application of magnesium boride in the clinical treatment fields of hospital infected bacterial infectious diseases, such as skin soft tissue infection, urinary tract infection, respiratory tract infection and septicemia is expected to expand.

Description

technical field [0001] The invention relates to a method for magnesium boride nano particles, which belongs to the technical field of advanced nano material preparation. Background technique [0002] Magnesium boride is a superconducting material, which is generally prepared by high-temperature sintering, which not only consumes energy but also time. Therefore, it is very necessary to develop new green synthetic methods or technical approaches to prepare magnesium boride. [0003] At present, liquid phase plasma technology (SPP, solution plasma process) has become an effective way to synthesize metal borides. The reported metal borides synthesized by SPP technology include: nickel-boron, cobalt-boron, europium-boron and ytterbium-boron and other compounds. Contents of the invention [0004] The present invention uses liquid phase plasma technology to reduce MgCl by borane in triethylphenylammonium bis(trifluoromethanesulfonyl)imide ionic liquid at room temperature for th...

Claims

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Application Information

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IPC IPC(8): C01B35/04B82Y40/00A61K33/22A61P31/04
CPCC01B35/04B82Y40/00A61K33/22A61P31/04C01P2004/64C01P2004/04C01P2002/72
Inventor 童东革向桓冬周瑞
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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