Low-cost titanium alloy water-based cutting fluid based on black phosphorus quantum dots and preparation method of low-cost titanium alloy water-based cutting fluid
A titanium alloy water-based, quantum dot technology, applied in the direction of lubricating composition, petroleum industry, etc., can solve the problems of mineral-based cutting fluid lubricating performance decline, environmental pollution, poor biodegradability, etc., to solve the problem of cutting temperature rise High, easy to expand production, improve the effect of lubricating performance
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[0036] The preparation method of the black phosphorus quantum dot aqueous solution is as follows: dissolve the black phosphorus powder in an organic solvent and mix it evenly, then add it into a zirconia ball mill tank, and ball mill it at a speed of 450-580r / min for 20~60h, and the product obtained after ball milling Centrifuge at 1500~3000rpm for 15~30min, centrifuge the supernatant at 10000~15000rpm for 15~30min, take the precipitate and wash it with deionized water for 2~3 times to obtain an aqueous solution of black phosphorus quantum dots.
[0037] The mass fraction of black phosphorus quantum dots in the black phosphorus quantum dot aqueous solution is 0.1%-1%.
[0038]The black phosphorus powder is prepared by converting red phosphorus into black phosphorus by high-energy ball milling. The specific method is as follows: red phosphorus powder and zirconia balls with a diameter of 10-20mm are used according to the ball-to-material ratio of 30:1-60: 1 Mix, and ball mill a...
Embodiment 1
[0042] Mix 2g of red phosphorus powder with zirconia balls with a diameter of 10-20mm according to the ball-to-material ratio of 30:1, and ball mill at 1000r / min for 3h under vacuum-sealed conditions to obtain 1.5-1.8g of black phosphorus powder. Weigh 50 mg of black phosphorus powder and 50 mL of N-methylpyrrolidone and mix them into a zirconia ball mill jar, mill at a speed of 450 r / min for 60 h, and centrifuge the product obtained after ball milling at a speed of 1500 rpm for 30 min, and take the centrifuged supernatant in Centrifuge again at 15,000 rpm for 15 minutes, wash the centrifuged sediment three times with deionized water, and obtain 5 ml of black phosphorus quantum dot aqueous solution with few defects, clean surface, and uniform quantum dot size.
Embodiment 2
[0044] Mix 2g of red phosphorus powder with zirconia balls with a diameter of 10-20mm according to the ball-to-material ratio of 60:1, and ball mill at 1250r / min for 0.5h under vacuum-sealed conditions to obtain 1.5-1.8g of black phosphorus powder. Weigh 100 mg of black phosphorus powder and 50 mL of dimethyl sulfoxide, mix them into a zirconia ball mill jar, mill at a speed of 580 r / min for 20 h, and centrifuge the product obtained after ball milling at a speed of 3000 rpm for 15 min. Centrifuge again under the condition of 10000rpm for 30min, and wash the precipitate obtained by centrifugation twice with deionized water to obtain 8ml black phosphorus quantum dot aqueous solution with few defects, clean surface and uniform quantum dot size.
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