Preparation method of highly dispersed nanoflake magnesium hydroxide
A magnesium hydroxide and nano-flaky technology, which is applied in the field of preparation of highly dispersed nano-flaky magnesium hydroxide, can solve the problems of high equipment requirements and energy consumption, obstacles to industrial production, and cumbersome operations, and achieve low equipment requirements and reduce The effect of production cost and simple operation
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[0014] Example 1
[0015] Weigh 50g of sodium hydroxide and dissolve it in 150g of water to make a sodium hydroxide solution with a mass fraction of 25%, then add 2g of potassium oxalate to dissolve it, stir evenly, transfer to a 500 mL three-necked flask, and heat in a water bath at 90°C , Add 20g of magnesium oxide after constant temperature, react for 3h, filter, dry, and pulverize to obtain a highly dispersed flake magnesium hydroxide with a particle size of 300 nm. The scanning electron microscope image is as follows figure 2 Shown.
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[0016] Example 2
[0017] Weigh 40g of sodium hydroxide and dissolve it in 160g of water to prepare a sodium hydroxide solution with a mass fraction of 20%, then add 4g of potassium oxalate to dissolve, stir evenly, transfer to a 500 mL three-necked flask, and heat in a water bath at 80°C , Add 20g of magnesium oxide after constant temperature, react for 3h, suction filtration, drying, and pulverizing to obtain a highly dispersed flake magnesium hydroxide with a particle size of 300 nm.
Example Embodiment
[0018] Example 3
[0019] Weigh 20g of sodium hydroxide and dissolve it in 180g of water to prepare a 10% sodium hydroxide solution, then add 5g of potassium oxalate to dissolve it, stir evenly, transfer to a 500 mL three-necked flask, and heat in a water bath at 70°C After adding 25g of magnesium oxide at constant temperature, reacting for 4h, suction filtration, drying, and pulverization, a highly dispersed flake magnesium hydroxide with a particle size of 300 nm can be obtained.
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