Powder coated with copper (i) oxide, and process for production thereof
A technology of cuprous oxide and manufacturing method, applied in chemical instruments and methods, electrolytic inorganic material coating, fibrous filler, etc., can solve problems such as poor specific gravity, cuprous oxide precipitation, etc., and achieve high storage stability and good dispersibility. , the effect of high adhesion
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Embodiment 1
[0102] (Surface treatment process)
[0103] With silicon dioxide powder (average particle diameter 5 μm) (electron microscope photograph: figure 1 ) is dispersed in tin fluoride aqueous solution (1g / L), stirred, filtered, then washed with water, then dispersed in nitrate aqueous solution (1g / L), stirred, filtered, washed with water and dried to obtain the surface of the core material Treatment A1.
[0104] (electrodeposition process and water washing process)
[0105] Next, add 10 g of the surface treatment A1 of the core material to 1 L of the aqueous electrolyte solution, set the electrodes, stir with a magnetic stirrer, and conduct electricity for 36 minutes under the following conditions to electrodeposit suboxide on the surface treatment A1 of the core material. copper. Next, the aqueous electrolyte solution was filtered, and the filtrate was washed with water, dispersed in an aqueous glycerin solution, filtered, and dried to obtain 21 g of cuprous oxide-coated powder ...
Embodiment 2
[0132] (Surface treatment process)
[0133] With the fly ash (average particle diameter 41 μm) (electron micrograph photo: Figure 4 ) was dispersed in an aqueous silver nitrate solution (1 g / L), stirred, filtered, washed with water, and dried to obtain surface-treated product A2 of the core material.
[0134] (electrodeposition process and water washing process)
[0135] Next, add 10 g of the surface treatment A2 of the core material to 1 L of the aqueous electrolyte solution, set up electrodes, stir with a magnetic stirrer, and conduct electricity under the following conditions for 18 minutes, and electrodeposit suboxide on the surface treatment A2 of the core material. copper. Next, the aqueous electrolyte solution was filtered, and the filtrate was washed with water, dispersed in an aqueous glycerin solution, filtered, and dried to obtain 16 g of cuprous oxide-coated powder B2. The true specific gravity of cuprous oxide coated powder B2 is 1.2g / cm 3 .
[0136]
[01...
Embodiment 3
[0155] (Surface treatment process)
[0156] With the silica powder (average particle diameter 32 μ m) (electron microscopic picture) as core material: Image 6 ) was dispersed in tin fluoride aqueous solution (1g / L), stirred, filtered, then washed with water, then dispersed in palladium chloride aqueous solution containing hydrochloric acid (palladium chloride: 0.2g / L, hydrochloric acid 1ml / L), stirred , filtered, washed with water, and dried to obtain the surface-treated product A3 of the core material.
[0157] (electrodeposition process and water washing process)
[0158] Next, add 10 g of the surface treatment A3 of the core material to 1 L of the aqueous electrolyte solution, set the electrodes, stir with a magnetic stirrer, and conduct electricity under the following conditions for 25 minutes to electrodeposit suboxide on the surface treatment A3 of the core material. copper. Next, the aqueous electrolyte solution was filtered, and the filtrate was washed with water, ...
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Abstract
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