Method for sintering industrial magnesium hydroxide powder
A technology of magnesium hydroxide and sintering method, applied in magnesium oxide and other directions, can solve problems such as increased production cost, reduced service life of plasma flat panel displays, powder scattering, etc., and achieves mild production conditions, remarkable product performance and environmental friendliness, and a process Simplified effect
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[0016] Take 5g of industrial-grade magnesium hydroxide and 0.1-0.5g of ethanol and mix it for grinding for 5-60 minutes; then put it into a crucible, and make the thickness of the material layer uniform; put the crucible into an atmosphere-protected In the heating furnace, feed the protective gas nitrogen and oxygen, the volume ratio is 10-50:1; 60-220ml / min, then heat up from room temperature, and then keep the temperature constant after reaching 250°C, the heating rate is 10-20°C / min, 250°C constant temperature for 2-4 hours; 250 to 400°C, the heating rate is 15-30°C / min, 400°C constant temperature for 0.5-4 hours; the reaction temperature of magnesium hydroxide to magnesium oxide is 400°C-680°C, and the heating rate is 1-20°C / min, the constant temperature time at the reaction temperature is 10 minutes to 2 hours; then lower the temperature in a protective atmosphere, let the reaction product cool down to below 50°C, and finally take it out and simply grind it to obtain a pur...
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