Novel preform body for bone porcelain and preparation process of preform body
A bone china and blank technology, applied in the field of ceramics, can solve the problems affecting the popularization and use of bone china, poor thermal shock resistance, etc., and achieve the effects of reducing the expansion coefficient, improving thermal shock resistance, and increasing bulk density
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Embodiment 1
[0020] A new blank for bone china, containing the following components in weight percent: bovine bone powder 54%, kaolin 26%, quartz 10%, feldspar 8.8%, lithium china stone 0.46%, zircon sand 0.14%, nano trioxide Dialuminum 0.6%.
[0021] The particle size of the above-mentioned kaolin is 1-10 μm, the particle size of feldspar is 0.5-5 μm, the particle size of lithium china stone is 1-10 μm, and the particle size of zircon sand is 2-8 μm; Quartz composition with particle size: 10% quartz sand with a particle size of 25-35μm, 15% quartz sand with a particle size of 15-20μm, 50% quartz sand with a particle size of 5-10μm, and quartz sand with a particle size of 1-4μm 25%.
[0022] The preparation process of the blank for the above-mentioned novel bone china comprises the following steps:
[0023] (1) take each raw material by weighing above-mentioned formula ratio;
[0024] (2) Put the bovine bone meal into an oven and dry it at 70°C, then put it into a high-temperature calci...
Embodiment 2
[0026] A new blank for bone china, containing the following components in weight percent: 55% bovine bone powder, 26% kaolin, 9% quartz, 8.2% feldspar, 0.4% lithium china stone, 1% zircon sand, nano trioxide Dialuminum 0.4%.
[0027] The particle size of the above-mentioned kaolin is 1-10 μm, the particle size of feldspar is 0.5-5 μm, the particle size of lithium china stone is 1-10 μm, and the particle size of zircon sand is 2-8 μm; Quartz composition with particle size: 5% quartz sand with a particle size of 25-35μm, 10% quartz sand with a particle size of 15-20μm, 55% quartz sand with a particle size of 5-10μm, and quartz sand with a particle size of 1-4μm 30%.
[0028] The preparation process of the blank for the above-mentioned novel bone china comprises the following steps:
[0029] (1) take each raw material by weighing above-mentioned formula ratio;
[0030] (2) Put the bovine bone meal into an oven and dry it at 70°C, then put it into a high-temperature calciner, r...
Embodiment 3
[0032] A new blank for bone china, containing the following components in weight percent: 50% bovine bone meal, 27% kaolin, 11% quartz, 10% feldspar, 0.52% lithium china stone, 0.98% zircon sand, nano trioxide Dialuminum 0.5%.
[0033] The particle size of the above-mentioned kaolin is 1-10 μm, the particle size of feldspar is 0.5-5 μm, the particle size of lithium china stone is 1-10 μm, and the particle size of zircon sand is 2-8 μm; Quartz composition with particle size: 10% quartz sand with a particle size of 25-35μm, 15% quartz sand with a particle size of 15-20μm, 50% quartz sand with a particle size of 5-10μm, and quartz sand with a particle size of 1-4μm 25%.
[0034] The preparation process of the blank for the above-mentioned novel bone china comprises the following steps:
[0035] (1) take each raw material by weighing above-mentioned formula ratio;
[0036] (2) Put the bovine bone meal into an oven and dry it at 65-70°C, then put it into a high-temperature calci...
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