Carbon black and ceramic double-phase nanometer composite slurry for preparing metal-based micro-nano powder and preparation method thereof
A nano-composite, metal-based technology, applied in the direction of coating, etc., to achieve the effect of high absorption rate, uniform distribution and strong light absorption
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Embodiment 1
[0024] Materials used in the example: Commercially available ordinary bagged carbon black powder, with an average particle size of 18nm and a tinting strength of 135%, the amount of carbon black powder added accounts for 0.05% of the total mass of the slurry; commercially available ordinary bagged silicon carbide powder , with an average particle size of 30nm and a dark green color. The amount added accounts for 0.3% of the total mass of the slurry, and the rest is absolute ethanol.
[0025] First, the nano-carbon black powder is pretreated by dry ball milling to break the original large aggregate particles, and then mixed with absolute ethanol and stirred until a semi-finished carbon black slurry without obvious solid-liquid layering is obtained. The final semi-finished carbon black slurry is placed in an ultrasonic equipment for constant temperature ultrasonic dispersion. The constant temperature is controlled at 20±5°C, and the dispersion time is 30 to 60 minutes. A single-p...
Embodiment 2
[0027] Materials used in the example: commercially available ordinary bagged carbon black powder, the average particle size is 28nm, the coloring strength is 120%, and the amount of carbon black powder added accounts for 0.1% of the total mass of the slurry; commercially available ordinary bagged tungsten carbide The powder, with an average particle size of 10nm, is gray-black, and its added amount accounts for 0.5% of the total mass of the slurry, and the rest is absolute ethanol.
[0028] First, the nano-carbon black powder is pretreated by dry ball milling to break the original large aggregate particles, and then mixed with absolute ethanol and stirred until a semi-finished carbon black slurry without obvious solid-liquid layering is obtained. The final semi-finished carbon black slurry is placed in an ultrasonic equipment for constant temperature ultrasonic dispersion. The constant temperature is controlled at 20±5°C, and the dispersion time is 30 to 60 minutes. A single-ph...
Embodiment 3
[0030] Materials used in the example: Commercially available ordinary bagged carbon black powder, with an average particle size of 14nm and a tinting strength of 140%, the amount of carbon black powder added accounts for 0.15% of the total mass of the slurry; commercially available ordinary bagged alumina powder , with an average particle size of 50nm and a white color. The amount added accounts for 0.6% of the total mass of the slurry, and the rest is absolute ethanol.
[0031] First, the nano-carbon black powder is pretreated by dry ball milling to break the original large aggregate particles, and then mixed with absolute ethanol and stirred until a semi-finished carbon black slurry without obvious solid-liquid layering is obtained. The final semi-finished carbon black slurry is placed in an ultrasonic equipment for constant temperature ultrasonic dispersion. The constant temperature is controlled at 20±5°C, and the dispersion time is 30 to 60 minutes. A single-phase nano-car...
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