Preparation method of nano silicon matting agent
A technology of matting agent and nano-silica gel, which is applied in the direction of coating, etc., can solve the problem that the matting effect of matting agent and the hand feeling of matting materials cannot be taken into account, and achieve the best matting effect, dense and uniform arrangement, and good hand feeling.
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example 1
[0023] Weigh 600g of rice husk, ignite the rice husk to obtain rice husk ash, add the rice husk ash to the glass tank, add 500mL of 30% sodium hydroxide solution to the glass tank to soak the rice husk ash, after soaking for 10min, add to the glass tank Add 600mL of sulfuric acid solution with a mass fraction of 20% into the glass tank, heat up to 90°C, start the stirrer to stir at a speed of 70r / min, keep it warm for 20min, filter and remove the filter residue to obtain a gel; wash the gel with deionized water 3 times, then put the washed gel into an oven, heat up to 100°C, dry for 45 minutes to obtain a dry gel, put the dry gel in a nano high-pressure pulse mill, and pulverize it for 10 minutes to obtain a nano gel powder ; Mix nano gel powder and magnesium powder at a mass ratio of 3:1 to obtain a mixture, put the mixture into a carbonization furnace, heat up to 300°C, keep warm for 30 minutes to obtain micro-carbonized powder; Count, add 10 parts of polytetrahydrofuran dio...
example 2
[0025] Weigh 700g of rice husk, ignite the rice husk to obtain rice husk ash, add the rice husk ash to the glass tank, add 550mL of sodium hydroxide solution with a mass fraction of 30% to the glass tank to soak the rice husk ash, soak for 13min, and then add to the glass tank Add 700mL of sulfuric acid solution with a mass fraction of 20% into the glass tank, heat up to 95°C, start the stirrer to stir at a speed of 75r / min, keep warm for 25min, filter and remove the filter residue to obtain the gel; wash the gel with deionized water 4 times, then put the washed gel into an oven, heat up to 105°C, and dry for 50 minutes to obtain a dry gel. Put the dry gel in a nanometer high-pressure pulse mill, and pulverize it for 13 minutes to obtain a nanogel powder. ; Mix nano gel powder and magnesium powder at a mass ratio of 3:1 to obtain a mixture, put the mixture into a carbonization furnace, heat up to 330°C, keep warm for 35 minutes to obtain micro-carbonization powder; Count, add ...
example 3
[0027] Weigh 800g of rice husk, ignite the rice husk to obtain rice husk ash, add the rice husk ash to the glass tank, add 600mL of 30% sodium hydroxide solution to the glass tank to soak the rice husk ash, after soaking for 15min, add to the glass tank Add 800mL of sulfuric acid solution with a mass fraction of 20% into the glass tank, heat up to 100°C, start the stirrer to stir at a speed of 80r / min, keep the temperature for 30min, filter and remove the filter residue to obtain the gel; wash the gel with deionized water 5 times, then put the washed gel into an oven, heat up to 110°C, and dry for 55 minutes to obtain a xerogel. Put the xerogel in a nanometer high-pressure pulse mill, and pulverize it for 15 minutes to obtain a nanogel powder. ; Mix nano gel powder and magnesium powder at a mass ratio of 3:1 to obtain a mixture, put the mixture into a carbonization furnace, heat up to 350°C, keep warm for 40 minutes and micro-carbonize to obtain micro-carbonized powder; Count,...
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