High-temperature-resistant purple rare-earth ceramic pigment and preparation method thereof
A ceramic pigment and high temperature resistant technology, applied in chemical instruments and methods, fibrous fillers, inorganic pigment treatment, etc. problems, to achieve the effect of high artistic aesthetic value, luster and smooth, high practical application value
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Embodiment 1
[0025] This embodiment provides a kind of high temperature resistant purple rare earth ceramic pigment, the molecular formula is NdAlO 3 ·Y 0.5 ErAlO 3, The high temperature resistant purple rare earth ceramic pigment is prepared by the following method:
[0026] (1) Take by weighing 336.40g industrial neodymium oxide (purity≧95%), 382.52g industrial erbium oxide (purity≧95%) and 112.91g yttrium oxide (purity≧95%), fully mix uniformly, obtain mixed oxide; Add 16.64g of concentrated nitric acid with a mass concentration of 65% to the mixed oxide, then add 1663.66g of water, use a ceramic ball mill for wet grinding for 2 hours, and mix well to obtain slurry A;
[0027] (2) Weigh 203.92g of aluminum oxide and 8.16g of sodium dodecylbenzenesulfonate and mix them uniformly, add them into the slurry A, mix them well, and prepare the slurry B;
[0028] (3) drying the slurry B at 80°C for 6 hours to obtain a dried material;
[0029] (4) In the dry material, add a composite mineral...
Embodiment 2
[0032] This embodiment provides a kind of high temperature resistant purple rare earth ceramic pigment, the molecular formula is NdAlO 3 ·Y 0.5 ErAlO 3, The high temperature resistant purple rare earth ceramic pigment is prepared by the following method:
[0033] (1) Take by weighing 336.40g industrial neodymium oxide (purity≧95%), 382.52g industrial erbium oxide (purity≧95%) and 112.91g yttrium oxide (purity≧95%), fully mix uniformly, obtain mixed oxide; Add 66.55 g of concentrated nitric acid with a mass concentration of 75% to the mixed oxide, then add 4159.15 g of water, use a ceramic ball mill to wet grind for 5 hours, and mix well to obtain slurry A;
[0034] (2) Weigh 203.92g alumina and 12.24g sodium pyrophosphate and mix uniformly, join in the slurry A, fully mix uniformly, make slurry B;
[0035] (3) drying the slurry B at 120° C. for 2 hours to obtain a dry material;
[0036] (4) In the dry material, add a composite mineralizer accounting for 10% of the dry mate...
Embodiment 3
[0039] This embodiment provides a kind of high temperature resistant purple rare earth ceramic pigment, the molecular formula is NdAlO 3 ·Y 0.5 ErAlO 3, The high temperature resistant purple rare earth ceramic pigment is prepared by the following method:
[0040] (1) Take by weighing 336.40g industrial neodymium oxide (purity≧95%), 382.52g industrial erbium oxide (purity≧95%) and 112.91g yttrium oxide (purity≧95%), fully mix uniformly, obtain mixed oxide; Add 49.91g of concentrated nitric acid with a mass concentration of 70% to the mixed oxide, then add 2495.49g of water, use a ceramic ball mill for wet grinding for 3 hours, and mix well to obtain slurry A;
[0041] (2) Weigh 203.92g of alumina and 10.2g of sodium pyrophosphate and mix them uniformly, add them into the slurry A, fully mix them uniformly, and prepare the slurry B;
[0042] (3) drying the slurry B at 100°C for 4 hours to obtain a dry material;
[0043] (4) In the dry material, add a composite mineralizer ac...
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