Ceramic tile capable of releasing negative oxygen ions and preparation method thereof
A technology of negative oxygen ions and ceramic tiles, applied in the field of building ceramic materials, can solve problems such as lack of health care functions, and achieve the effects of improving immunity, high strength, and soothing body and mind
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[0016] A ceramic brick that can release negative oxygen ions, made of the following raw materials in weight (kg): river sand 44, fluorite 26, volcanic rock 22, dolomite 18, modified clay 32, magnesite 20, tourmaline 16 , hexacyclic stone 12, medical stone 10, furnace ash 8, talcum powder 10, shell powder 6, barium carbonate 4, zinc oxide 3;
[0017] The preparation method of described modified clay is as follows: a, take attapulgite, diatomaceous earth, bentonite by mass ratio 5:3:2, mix uniformly, add appropriate amount of water to make the clay slurry that concentration is 35%, then Adjust the pH of the slurry to 4 with a sulfuric acid solution with a concentration of 20%, heat it in a water bath to 90°C, stir for 3 hours, filter, wash with distilled water until neutral, dry, calcinate at 460°C for 3 hours, pulverize, and pass through a 250-mesh sieve; b. The weight ratio of 1:3 is to mix the above-mentioned treated clay with a concentration of 2.5mol / L titanium tetr...
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