Preparation method of porous ceramic, porous ceramic, and electronic cigarette
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United States of America Patent
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Jan 9, 2018
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app pub date -
Jun 16, 2014
filing date -
Jun 16, 2014
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Abstract
The present invention relates to a preparation method of a porous ceramic, the porous ceramic, and a use thereof in the electronic cigarette. The method of preparing a porous ceramic includes: mixing amorphous silica, aluminum oxide and iron oxide uniformly to obtain a mixture; sintering the mixture at a temperature of 1000° C. to 1400° C. for 0.5 hour to 3 hours to obtain a precursor; grinding the precursor to obtain precursor powder; mixing the precursor powder, sodium silicate, and porogen uniformly to obtain a premix; mixing and extruding the premix with water to obtain a molded body; and heat preserving the molded body at a temperature of 200° C. to 600° C. for 1 hour to 6 hours, and sintering the molded body at a temperature of 700° C. to 1200° C. for 0.5 hour to 3 hours to obtain the porous ceramic.
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