Modified tourmaline powder for ceramic glaze, anion ceramic glaze and preparation method
A technology of tourmaline powder and ceramic glaze, which is applied in the field of ceramic materials, can solve the problems of affecting the color appearance of ceramic products, the decline of negative ion function, and the easy occurrence of agglomeration, etc., and achieve good negative ion release function, increase negative ion release, and good negative ion function. Effect
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Embodiment 1
[0018] The preparation method of modified tourmaline powder for ceramic glaze comprises the following steps:
[0019] Step 1, crushing of tourmaline powder: crush the tourmaline, add water ball mill to pass through a 200-300 mesh sieve, the quality of the added water is 9% of the tourmaline powder, and then dry, and the particle size is 0.1-0.3 after airflow crushing micron tourmaline powder;
[0020] Step 2, primary modification of tourmaline micropowder: add 12 parts of tourmaline micropowder and 130 parts of stearic acid obtained in step 1 into 250 parts of ethylene glycol, and ultrasonically vibrate for 12 minutes to obtain an ultrasonic mixture, and then Raise the temperature of the ultrasonic mixture to 75°C, stir for 70 minutes, and then distill off the solvent under reduced pressure to obtain primary modified tourmaline powder;
[0021] Step 3, secondary modification of tourmaline micropowder: add 0.4 parts of sodium stearate to 280 parts of deionized water in parts b...
Embodiment 2
[0026] The preparation method of modified tourmaline powder for ceramic glaze comprises the following steps:
[0027] Step 1, crushing of tourmaline powder: crush the tourmaline, add water ball mill to pass through a 200-300 mesh sieve, the quality of the added water is 8% of the tourmaline powder, and then dry, and the particle size is 0.1-0.3 after airflow crushing micron tourmaline powder;
[0028] Step 2, primary modification of tourmaline micropowder: in parts by mass, add 10 parts of tourmaline micropowder obtained in step 1 and 100 parts of stearic acid to 200 parts of ethylene glycol, and ultrasonically vibrate for 10 minutes to obtain an ultrasonic mixture, which is then Raise the temperature of the ultrasonic mixture to 70°C, stir for 60 minutes, and then distill off the solvent under reduced pressure to obtain primary modified tourmaline powder;
[0029] Step 3, secondary modification of tourmaline micropowder: add 0.2 parts of sodium stearate to 200 parts of deion...
Embodiment 3
[0034] The preparation method of modified tourmaline powder for ceramic glaze comprises the following steps:
[0035] Step 1, crushing of tourmaline powder: crush the tourmaline, add water ball mill to pass through a 200-300 mesh sieve, the quality of the added water is 10% of the tourmaline powder, and then dry, and the particle size after airflow crushing is 0.1-0.3 micron tourmaline powder;
[0036]Step 2, primary modification of tourmaline micropowder: according to the number of parts by mass, add 15 parts of tourmaline micropowder obtained in step 1 and 150 parts of stearic acid to 300 parts of ethylene glycol, and ultrasonically vibrate for 15 minutes to obtain an ultrasonic mixture, and then Raise the temperature of the ultrasonic mixture to 80°C, stir for 80 minutes, and then distill off the solvent under reduced pressure to obtain primary modified tourmaline powder;
[0037] Step 3, secondary modification of tourmaline micropowder: in parts by mass, add 0.5 part of s...
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