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Method for preparing boron oxynitride nanoflowers

A nanoflower and boron nitride technology, applied in the field of nanomaterials, can solve the problems that have not yet been reported on the research of boron nitride nanoflowers and achieve strong antibacterial activity

Inactive Publication Date: 2020-02-11
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no research report on oxy-boron nitride nanoflowers

Method used

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  • Method for preparing boron oxynitride nanoflowers
  • Method for preparing boron oxynitride nanoflowers
  • Method for preparing boron oxynitride nanoflowers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (1) 2.0 mmol CuB 23 Add 30 ml of nitroimidazolium ionic liquid to the nanoflowers, mix and stir for 15 minutes;

[0030] (2) the mixture of step (1) is transferred to 200 milliliters reaction bottle, add the concentrated nitric acid that massfraction is 68%, make nitric acid and CuB 23 The molar ratio of nanoflowers is 75;

[0031] (3) Turn on the liquid-phase plasma, the power is 600 watts, and the mixed solution in the reaction bottle of step (2) is processed at room temperature for 30 minutes to obtain the crude product of oxy-boron nitride nanoflowers;

[0032] (4) Wash the product three times with deionized water, then three times with absolute ethanol, and dry it for later use.

Embodiment 2

[0034] (1) 2.0 mmol CuB 23 Add 30 ml of nitroimidazolium ionic liquid to the nanoflowers, mix and stir for 15 minutes;

[0035] (2) the mixture of step (1) is transferred to 200 milliliters reaction bottle, add the concentrated nitric acid that massfraction is 68%, make nitric acid and CuB 23 The molar ratio of nanoflowers is 75;

[0036] (3) Turn on the liquid-phase plasma, the power is 400 watts, and the mixed solution in the reaction bottle of step (2) is processed at room temperature for 30 minutes to obtain the crude product of oxy-boron nitride nanoflowers;

[0037] (4) Wash the product three times with deionized water, then three times with absolute ethanol, and dry it for later use.

Embodiment 3

[0039] 1) Add 2.0 mmol CuB 23 Add 30 ml of nitroimidazolium ionic liquid to the nanoflowers, mix and stir for 15 minutes;

[0040] (2) the mixture of step (1) is transferred to 200 milliliters reaction bottle, add the concentrated nitric acid that massfraction is 68%, make nitric acid and CuB 23 The molar ratio of nanoflowers is 75;

[0041] (3) Turn on the liquid-phase plasma, the power is 800 watts, and the mixed solution in the reaction bottle of step (2) is processed at room temperature for 30 minutes to obtain the crude product of oxy-boron nitride nanoflowers;

[0042] (4) Wash the product three times with deionized water, then three times with absolute ethanol, and dry it for later use.

[0043] The performance of the oxy-boron nitride nanoflower of the present invention:

[0044] 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 oxy-boron nitride nanoflowers were successfully prepare...

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Abstract

The invention discloses a method for preparing boron oxynitride nanoflowers. According to the method, the boron oxynitride nanoflowers are successfully prepared at room temperature for the first timethrough inducing concentrated nitric acid to oxidate CuB23 nanoflowers through a liquid-phase plasma technology in nitroimidazole ionic liquid. Compared with commercial boron oxynitride, the boron oxynitride nanoflowers prepared by the method have the advantages that the specific surface area is larger, and the bacteriostasis effect is higher. Compared with amikacin and kanamycin, the boron oxynitride nanoflowers prepared by the method show higher antibacterial activity to Staphylococcus aureus. Due to excellent Staphylococcus aureus inhibiting performance, applications of boron oxynitride compounds in the aspects of air purification, sewage disinfection and the clinical medical treatment fields of skin, nasal cavities, throats, intestines and stomachs, carbuncles, suppurated furuncles andthe like are advantageously extended.

Description

technical field [0001] The invention relates to the technical field of nanomaterials, in particular to a preparation method of boron nitride nanoflowers containing oxygen. Background technique [0002] Oxy-boron nitride is an important electro-adsorption material. With the development of nanotechnology, it is found that the shape structure has a great influence on its performance. However, because the preparation of oxy-boron nitride is not easy, there are not many studies on its morphology and structure effects. For example, only the structure-activity relationship of oxy-boronitride nanosheets for adsorption of heavy metal ions has been reported so far, which severely limits its practical application. [0003] In summary, it is very meaningful to study the synthesis technology of boron nitride with novel morphology. At present, there is no research report on oxy-boron nitride nanoflowers. In addition, CuB 23 Oxy-boron nitride compounds cannot be produced by reacting w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/02B01J20/28B01J20/30B82Y40/00A01N59/14A01P1/00
CPCB01J20/0262B01J20/28007B82Y40/00A01N59/14B01J2220/4812B01J2220/4806
Inventor 童东革李传奇周瑞
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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