Preparation method of diamond composite material
A composite material and diamond technology, which is applied in the field of diamond composite material preparation, can solve the problems of non-wetting between diamond and substrate, poor packaging effect, poor bonding force, etc., and achieve high ionization energy, high density, and improved performance. Effect
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Embodiment 1
[0028] A preparation method of diamond composite material:
[0029] Add 10g of diamond powder with a particle size of 10-20μm to 100mL of acetone, soak for 60min, pour out the acetone, rinse with 60°C hot water and 25°C cold water in turn, add it to 2mol / L NaOH solution, stir at 90°C for 6h, pump Filter and wash with water until neutral, dry at 80°C for 10h, add it to the fluorosurfactant solution for 60min, suction filter, and dry at 80°C for 10h. The preparation method of the fluorosurfactant solution is as follows: Phosphorus and 240 mL of perfluorohexyl ethanol were mixed, stirred and heated to 110 °C for 8 h. After cooling to room temperature, the pH of the reaction solution was adjusted to neutrality with ammonia water, and then a mixed solution consisting of 400 mL of water and 400 mL of isopropanol was added, and the Continue stirring at 80°C for 3h, mix the obtained diamond powder with 150g potassium nitrate uniformly and place it in a muffle furnace, then heat the mu...
Embodiment 2
[0031] A preparation method of diamond composite material:
[0032] Add 10g of diamond powder with a particle size of 10-20μm to 100mL of acetone, soak for 10min, pour out the acetone, rinse with 60°C hot water and 25°C cold water in turn, add it to 2mol / L NaOH solution, stir at 80°C for 4h, pump Filtered and washed with water until neutral, dried at 80°C for 10h, added to the fluorosurfactant solution for 10min soaking, suction filtered, and dried at 80°C for 10h. The preparation method of the fluorosurfactant solution was as follows: Phosphorus and 240 mL of perfluorohexyl ethanol were mixed, stirred and heated to 100 °C for 6 h. After cooling to room temperature, the pH of the reaction solution was adjusted to neutrality with ammonia water, and then a mixed solution consisting of 400 mL of water and 400 mL of isopropanol was added, Continue stirring at 60 °C for 1 h, mix the obtained diamond powder with 120 g of potassium nitrate uniformly and place it in a muffle furnace, ...
Embodiment 3
[0034] A preparation method of diamond composite material:
[0035] Add 10 g of diamond powder with a particle size of 10-20 μm to 100 mL of acetone, soak for 60 min, pour out the acetone, rinse with 60 °C hot water and 25 °C cold water in turn, add it to 2 mol / L NaOH solution, stir at 80 °C for 6 hours, and pump Filtered and washed with water until neutral, dried at 80°C for 10h, added to the fluorosurfactant solution for 10min soaking, suction filtered, and dried at 80°C for 10h. The preparation method of the fluorosurfactant solution was as follows: Phosphorus and 240 mL of perfluorohexyl ethanol were mixed, stirred and heated to 110 °C for 6 h. After cooling to room temperature, the pH of the reaction solution was adjusted to neutrality with ammonia water, and then a mixed solution consisting of 400 mL of water and 400 mL of isopropanol was added, Continue stirring at 80 °C for 1 h, mix the obtained diamond powder with 150 g of potassium nitrate uniformly and place it in a...
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