Thermal-insulation luminescent ceramic brick and preparation method thereof
A technology for thermal insulation and ceramic tiles, applied in the field of thermal insulation luminescent ceramic tiles and their preparation, can solve the problems of wear resistance, weather resistance, chemical corrosion resistance, etc. Control easy effects
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Embodiment 1
[0021] In terms of mass percentage, 15% Sr4A14O25 doped Eu2+, Dy3+ energy storage luminescent material and 15% CaAl2O4 doped Eu2+, Nd3+ energy storage luminescent material are passed through 800 mesh sieve together, and 70% low temperature frit (fineness is 70-100 mesh) and then pass through 80 mesh sieve. Take the ceramic biscuit, pass the mixed frit through an 80-mesh mesh, and spread it on the ceramic biscuit, and then apply a layer of low-temperature frit. Afterwards, it is fired in a kiln at 850°C, edged and polished, and the finished product is a light-storing ceramic tile that emits sky blue light in the dark, and the afterglow time is as long as 6.5 hours. The ceramic brick has grade 4 wear resistance, good weather resistance, not easy to aging, strong chemical corrosion resistance, 18% (V / V) hydrochloric acid - GHA grade, 100g / L potassium hydroxide - GHA grade.
Embodiment 2
[0023] According to mass percentage, pass 25% of Sr2MgSi2O7 energy storage luminescent material through 800 mesh sieve, mix with 25% glaze frit (fineness is 100-200 mesh) and pass through 80 mesh sieve, then add 50% printing oil, Stir well. The mixed slurry is passed through an 80-mesh screen and printed on the ceramic biscuit blank, and then a layer of low-temperature frit is applied. Afterwards, it is fired in a kiln at 950°C, edged and polished, and the finished product is a light-storing ceramic tile that emits blue-green light in the dark, with an afterglow time of up to 8 hours. The ceramic brick has grade 4 wear resistance, good weather resistance, not easy to aging, strong chemical corrosion resistance, 18% (V / V) hydrochloric acid - GHA grade, 100g / L potassium hydroxide - GHA grade.
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