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Boron sol and preparation method thereof

A boron sol and sol technology, applied in the field of stable nano boron sol and preparation, can solve problems such as reported and no nano boron sol technology, and achieve the effects of good dispersion effect, easy large-scale production, and simple and convenient preparation process

Inactive Publication Date: 2021-01-05
宿迁德特材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as far as the applicant knows, there is still no related technology of nano-boron sol reported.

Method used

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  • Boron sol and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0019] Example 2: Weigh 90 grams of deionized water and 10 grams of boron powder, stir and mix evenly, add them to a zirconia ball mill jar, and add 500 grams of zirconia balls with a diameter of 8 mm, ball mill for 3 hours, and the boron solution after ball milling Disperse with an ultrasonic disperser for 2 hours, and finally centrifuge at 8000 rpm for 10 minutes to take the supernatant and prepare a uniform and stable dispersed nano-boron dispersion (boron sol).

Embodiment 3

[0020] Example 3: Weigh 70 grams of deionized water and 30 grams of boron powder, stir and mix evenly, add them to a zirconia ball mill tank, and add 500 grams of zirconia balls with a diameter of 8 mm, ball mill for 4 hours, and the boron solution after ball milling Disperse with an ultrasonic disperser for 4 hours, and finally centrifuge at 15,000 rpm for 10 minutes to take the supernatant and prepare a uniform and stable dispersed nano-boron dispersion (boron sol).

Embodiment 4

[0021] Example 4: Weigh 80 grams of deionized water and 20 grams of boron powder, stir and mix evenly, add them to a zirconia ball mill tank, and add 500 grams of zirconia balls with a diameter of 8 mm, ball mill for 4 hours, and the boron solution after ball milling Disperse with an ultrasonic disperser for 4 hours, and finally centrifuge at 20,000 rpm for 10 minutes to take the supernatant and prepare a uniform and stable dispersed nano-boron dispersion (boron sol).

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PUM

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Abstract

The invention discloses boron sol and a preparation method thereof. Industrial boron powder is adopted as a raw material, and a dispersion medium is one or a mixed solution of more of deionized water,ethanol, isopropanol and the like. The preparation process comprises the following steps: firstly, adding industrial boron powder into the dispersion medium according to a certain proportion, then fully stirring and ball-milling, stripping out nano boron particles by an ultrasonic method, and finally, preparing a nano boron dispersion liquid by a centrifugal method, so that the nano boron particles can be uniformly and stably dispersed into the solution to prepare a boron sol solution. The boron sol solution can be kept in a uniform and stable state for a long time, and no precipitation, layering or failure phenomenon is generated.

Description

technical field [0001] The invention belongs to the technical field of nano boron sol, and in particular relates to a stable nano boron sol and a preparation method. Background technique [0002] As a metalloid element, boron has been widely used in some high-tech fields due to its stable molecular structure and the advantages of high hardness, refractory resistance, high electrical conductivity and other properties of borides formed under high temperature conditions. Boron powder can interact with oxygen, nitrogen, sulfur, halogen and carbon to form various compounds at high temperature, and can also be directly combined with many metals to form metal borides, and can also react with organic compounds to form organic boron, which is used in the semiconductor industry , powder metallurgy additives and thermal spraying and other surface coating materials. Nano-scale boron powder, as a good filler for composite materials, improves its high-temperature oxidation process and pr...

Claims

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Application Information

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IPC IPC(8): B01J13/00C01B35/02
CPCB01J13/0004C01B35/023
Inventor 秦家千
Owner 宿迁德特材料科技有限公司
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