Waterless nano-znic antimonite sol and preparation thereof

A technology of nano-zinc antimonate and zinc antimonate, applied in mixing methods, chemical instruments and methods, dissolution, etc., can solve the problems of nano-material function disappearance, inconvenient use, and short storage period of nano-sol

Inactive Publication Date: 2008-11-12
有研资源环境技术研究院(北京)有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

If the dispersion is not good, the nanoparticles will not be obtained, causing inconvenience in use
In addition, the nano-sol prepared with powder has a short storage period, and the obtained nanoparticles will agglomerate in less than a week, and the function of the nano-material will disappear.

Method used

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  • Waterless nano-znic antimonite sol and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Antimony oxide (Sb 2 o 3 ) 25 grams, 100 grams of water, after stirring evenly, add 11.81 grams of basic zinc carbonate while stirring, stir at room temperature for 5 hours, then filter, and dry the filter cake in an oven at 80°C for 6 hours; furnace at 570°C for 10 hours to obtain gray-yellow powder.

[0036] The powder is detected by X-ray diffraction, and the result is: the diffraction peak and diffraction angle are the same as the international standard ZnSb 2 o 6 spectrum Figure 1 It is proved that the grayish-yellow substance is zinc antimonate.

[0037] Anhydrous zinc antimonate solid According to the results of differential thermal analysis (DTA-TG), it is confirmed that the above-mentioned anhydrous zinc antimonate is generated by weight loss method from room temperature to 900°C (see attached figure 1 ).

[0038] The synchronous thermal analyzer STA409PC is used, and the operating conditions are: the temperature rises to 900°C at a rate of 10°C / min. f...

Embodiment 2

[0042] Antimony oxide (Sb 2 o 3 ) 25 grams, 100 grams of water, after stirring evenly, add 11.6 grams of basic zinc carbonate while stirring, stir at room temperature for 5 hours, then filter, and the filter cake is dried in an oven at 70°C for 6 hours; Furnace, sintered at 535°C for 40 hours to obtain grayish yellow powder.

[0043] The powder is detected by X-ray diffraction, and the result is: the diffraction peak and diffraction angle are the same as the international standard ZnSb 2 o 6 spectrum Figure 1 It is proved that the grayish-yellow substance is zinc antimonate.

[0044] Add 33.20 grams of the powder to 40 grams of water and put it into a ball mill jar, grind the balls for 10 hours and rinse with water to obtain 230 grams of zinc antimonate hydrosol. Add 0.78 grams of vinyltrimethoxysilane to the aqueous sol, stir at room temperature for 5 hours, then add 0.39 grams of isopropylamine, 2.1 grams of citric acid, and continue stirring for 2 hours to obtain a com...

Embodiment 3

[0047] Antimony oxide (Sb 2 o 3) 25 grams, 100 grams of water, after stirring evenly, add 12 grams of basic zinc carbonate while stirring, stir at room temperature for 5 hours, then filter, and dry the filter cake in an oven at 80°C for 6 hours; furnace at 550°C for 20 hours to obtain grayish yellow powder.

[0048] The powder is detected by X-ray diffraction, and the result is: the diffraction peak and diffraction angle are the same as the international standard ZnSb 2 o 6 spectrum Figure 1 It is proved that the grayish-yellow substance is zinc antimonate.

[0049] Add 33.66 grams of the powder to 40 grams of water and put it into a ball mill jar, grind the balls for 10 hours and rinse with water to obtain 230 grams of zinc antimonate hydrosol. Add 3.6 grams of vinyltrimethoxysilane to the hydrosol, stir at room temperature for 5 hours, then add 0.69 grams of isobutylamine and 1.9 grams of malic acid, and continue stirring for 2 hours to obtain a solution coated with vin...

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Abstract

The invention relates to a waterless nano Zinc Antimonate solution and a preparation method thereof. Particle size of the solution is between 20 and 400 nm. The surface of the nano Zinc Antimonate solution is coated with silicon organic compound to allow the nano Zinc Antimonate particles to have high dispersivity, high transparency and good stability without clumping in waterless organic solvent.

Description

technical field [0001] The invention relates to an anhydrous nano zinc antimonate sol and a preparation method thereof. Background technique [0002] Most of the existing nanomaterials on the market are powders, and the process of preparing sols from powders requires certain dispersion techniques. If the dispersion is not good, nanoparticles will not be obtained, causing inconvenience in use. In addition, the storage period of the nano-sol prepared by powder is short, and the obtained nano-particles will be agglomerated in less than a week, and the function of the nano-material will disappear. [0003] Therefore, providing an anhydrous nano zinc antimonate sol with high transparency and good storage stability has become an urgent problem in this technical field. Contents of the invention [0004] One of the objectives of the present invention is to provide a highly transparent anhydrous nano zinc antimonate sol with good storage stability. [0005] Above-mentioned purpo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/04C09C3/12B01F3/12B01J2/30
Inventor 郎书玲王力军张力罗远辉陈松黄永章
Owner 有研资源环境技术研究院(北京)有限公司
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