Photochromic lead and cadmium free low temperature frit and preparation method thereof
A photochromic, low-temperature frit technology, applied in the field of ceramics, can solve the problem of high toxicity
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Embodiment 1
[0035] A photochromic lead-free cadmium low-temperature frit and a preparation method thereof, the preparation method comprising the following steps:
[0036] Mixing A: Mix and grind 12% quartz, 12% feldspar, 15% borax, 6% carbonate, 35% boric acid, 5% spodumene, 4% fluoride, and 2% kaolin, then add 1 % antibacterial compound and 8% photochromic compound, grind evenly to make mixture; described feldspar is obtained by mixing potassium feldspar and albite in a weight ratio of 4:1; described carbonate is made of potassium carbonate, Sodium carbonate, barium carbonate, lithium carbonate and calcium carbonate are mixed in a weight ratio of 3:1:3:2:1; the fluoride salt is composed of sodium fluoride, calcium fluoride and lithium fluoride in a weight ratio of 4:2 :1 mixed;
[0037] B melting: the mixture prepared in step A is spread and put into a refractory sagger, and the high temperature melting at 1250-1320 °C is performed to obtain a molten slurry; the high temperature melting...
Embodiment 2
[0049] A photochromic lead-free cadmium low-temperature frit and a preparation method thereof, the preparation method comprising the following steps:
[0050] Mixing A: Mix and grind 15% quartz, 7% feldspar, 22% borax, 9% carbonate, 25% boric acid, 8% spodumene, 3% fluoride, and 3% kaolin, then add 3 % antibacterial compound and 5% photochromic compound, grind evenly to make mixture; described feldspar is obtained by mixing potassium feldspar and albite in a weight ratio of 4:1; described carbonate is made of potassium carbonate, Sodium carbonate, barium carbonate, lithium carbonate and calcium carbonate are mixed in a weight ratio of 3:1:3:2:1; the fluoride salt is composed of sodium fluoride, calcium fluoride and lithium fluoride in a weight ratio of 4:2 :1 mixed;
[0051] B melting: the mixture prepared in step A is spread and put into a refractory sagger, and the high temperature melting at 1250-1320 °C is performed to obtain a molten slurry; the high temperature melting ...
Embodiment 3
[0063] A photochromic lead-free cadmium low-temperature frit and a preparation method thereof, the preparation method comprising the following steps:
[0064] Mixing A: Mix and grind 18% quartz, 5% feldspar, 25% borax, 12% carbonate, 20% boric acid, 6% spodumene, 3% fluoride, and 5% kaolin, then add 5% % antibacterial compound and 1% photochromic compound, grind evenly to make mixture; described feldspar is obtained by mixing potassium feldspar and albite in a weight ratio of 4:1; described carbonate is made of potassium carbonate, Sodium carbonate, barium carbonate, lithium carbonate and calcium carbonate are mixed in a weight ratio of 3:1:3:2:1; the fluoride salt is composed of sodium fluoride, calcium fluoride and lithium fluoride in a weight ratio of 4:2 :1 mixed;
[0065] B melting: the mixture prepared in step A is spread and put into a refractory sagger, and the high temperature melting at 1250-1320 °C is performed to obtain a molten slurry; the high temperature meltin...
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