Surface metal plated friction catalysis material, preparation method and application
A catalytic material, metal plating technology, applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc., can solve the problems of less research, improve anti-wear and reduce friction function, improve tribological properties, and achieve full utilization
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Embodiment 1
[0039] One, the preparation of rice husk-based ceramic particles, the steps are as follows:
[0040] ①. Use a crusher to crush the rice husk until the particle size reaches 100 mesh, soak and wash 10g of rice husk powder with 160mL of absolute ethanol for 30min, and then dry it for use;
[0041] ②. Evenly mix the dried rice husk powder and polyethylene resin in a weight ratio of 3:1, then put it into a tube furnace, and carbonize it for 3 hours at a temperature of 1200°C under the protection of argon to obtain rice husk-based ceramics agglomerated particles;
[0042] ③. Add rice husk-based ceramic agglomerated particles into a planetary ball mill and mill for 30 minutes to obtain refined rice husk-based ceramic particles.
[0043] 2. Pretreatment of rice husk-based ceramic particles
[0044]Add 150mL of absolute ethanol to 10g of rice husk-based ceramic particles to remove oil, dry naturally, and set aside;
[0045] 3. Co-precipitation method to prepare surface nickel-plate...
Embodiment 2
[0052] 1. Preparation of rice husk carbon quantum dot particles, the steps are as follows:
[0053] ①. Use a crusher to crush the rice husk powder until the particle size reaches 100 mesh, wash 5g of the rice husk powder with 100mL of absolute ethanol, and then dry it for later use.
[0054] ②. Add the dried rice husk powder to 10mL of sodium hydroxide solution with a concentration of 0.5g / mL, heat in a water bath to 900°C and stir for 5h, then wash until neutral, dry and set aside.
[0055] ③. Put the alkali-treated rice husk powder in a tube furnace, calcinate at 750° C. for 3 hours under a protective atmosphere, cool to room temperature, and take it out for ball milling for 6 hours.
[0056] ④. Take 0.5g of ball-milled rice husk carbon particles and add them to 90mL of strong acid solution (volume ratio of sulfuric acid and nitric acid is 2.5:1), mix well with 0.9g of potassium permanganate, heat in a water bath to 100°C and stir for 2h.
[0057] ⑤. Dilute the reaction sol...
Embodiment 3
[0065] 1. Preparation of wheat straw carbon quantum dot particles, the steps are as follows:
[0066] ①. Use a crusher to crush the wheat straw until the particle size reaches 60 mesh, wash 15g of the wheat straw powder with 100mL of absolute ethanol, and then dry it for later use.
[0067] ②. Add the dried wheat straw powder into 37.5mL of potassium hydroxide solution with a concentration of 1g / mL, heat in a water bath to 80°C and stir for 6h, then wash until neutral, dry and set aside.
[0068] ③. Put the strong alkali-treated wheat straw powder in a tube furnace, calcinate at 800° C. for 1 hour under a protective atmosphere, cool to room temperature, and take it out for ball milling for 4 hours.
[0069] ④. Take 0.3g of ball-milled wheat straw carbon particles and add them to 80mL of strong acid solution (the volume ratio of sulfuric acid and nitric acid is 3:1), mix evenly with 1.2g of potassium permanganate, heat in a water bath to 80°C and stir for 3h.
[0070] ⑤. Dilut...
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