A kind of micron plate zirconium silicate powder and preparation method thereof

A zirconium silicate, micron-scale technology, which is applied in chemical instruments and methods, nanotechnology, silicon compounds, etc., can solve unfavorable industrial production, complex preparation process, and microscopic morphology of zirconium silicate powder does not present micron-scale plates status and other issues

Active Publication Date: 2020-10-23
佛山科海意诺陶瓷科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The preparation process of the above-mentioned prior art zirconium silicate powder is relatively complicated, which is not conducive to industrial production, especially the microscopic morphology of the prepared zirconium silicate powder does not appear in the form of micron-scale plates

Method used

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  • A kind of micron plate zirconium silicate powder and preparation method thereof
  • A kind of micron plate zirconium silicate powder and preparation method thereof
  • A kind of micron plate zirconium silicate powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A preparation method of micron-scale plate-shaped zirconium silicate powder, comprising the steps of:

[0035] (1) Take nano-scale monoclinic zirconia ( figure 1 Show its XRD pattern, figure 2 Show its microscopic appearance) 1mol, polycrystalline silicon dioxide 1.05mol, sodium chloride 1mol, dilanthanum trioxide 0.005mol, adopt dry type blender to mix 2 hours, obtain reactant; From figure 1 As can be seen from the shown XRD pattern, the zirconia used is a monoclinic phase; figure 2 It can be seen from the micrograph shown that the zirconia used is nano-spherical particles with a particle size ranging from 100 to 500nm;

[0036] (2) Put the reactant in a crucible, cover and seal it, place it in a muffle furnace and keep it warm at 850°C for 0.5h to obtain a calcined product;

[0037] (3) The calcined product was soaked and washed four times in deionized water at 40° C., then washed twice with ethanol, and dried at 120° C. for 6 hours to obtain micron-sized plate-l...

Embodiment 2

[0045] A preparation method of micron-scale plate-shaped zirconium silicate powder, comprising the steps of:

[0046] (1) Take 3 mol of nano-scale monoclinic zirconia, 3.3 mol of polycrystalline silicon dioxide, 3 mol of sodium chloride, 3 mol of sodium fluoride, 3 mol of potassium chloride, 0.12 mol of strontium oxide, and ball mill and mix for 2 hours to obtain the reactant;

[0047] (2) Put the reactant in a closed sagger, place it in a muffle furnace and keep it warm at 1150° C. for 4 hours to obtain a calcined product;

[0048] (3) The calcined product was soaked and washed twice with deionized water at 100° C., then washed twice with ethanol, and dried at 300° C. for 2 hours to obtain micron-sized plate-like zirconium silicate powder.

[0049] Image 6 The micrograph of the zirconium silicate powder prepared in Example 2 is shown, and it can be seen that the zirconium silicate powder has good crystallization and a plate-like appearance.

[0050] Add 15wt% of the micron...

Embodiment 3

[0054] A preparation method of micron-scale plate-shaped zirconium silicate powder, comprising the steps of:

[0055] (1) Take 2 mol of nano-scale monoclinic zirconia, 2.1 mol of polycrystalline silicon dioxide, 2 mol of potassium chloride, 0.02 mol of dilanthanum trioxide, 0.04 mol of strontium oxide, and ball mill and mix for 2 hours to obtain a reactant;

[0056] (2) Put the reactant in a sealed sagger, place it in a muffle furnace and keep it warm at 950° C. for 2 hours to obtain a calcined product;

[0057] (3) Soak and wash the calcined product in deionized water at 80°C for 4 times, soak and wash in alcohol water once, then wash with ethanol twice, and dry at 80°C for 8 hours to obtain micron-sized flakes. Zirconium silicate powder.

[0058] Add 15wt% micron-sized plate-like zirconium silicate powder prepared in Example 3 to the transparent raw glaze slurry, stir it evenly, spray it on the yellow ceramic green body and dry it at 300°C for 0.5h, Then sintered at 1050°C...

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Abstract

The invention discloses micron-sized plate-like zirconium silicate powder and a preparation method thereof. The preparation method comprises the following steps of: uniformly mixing zirconium oxide, silicon dioxide, a molten salt and a forming agent to obtain a reactant; controlling the mol ratio of the zirconium oxide, the silicon dioxide and the forming agent to be 1: 1.05-1.10: 1-3: 0.005-0.04;placing the reactant in a closed container and keeping the temperature at 850-1150 DEG C to obtain a calcined product; and washing and drying the calcined product to obtain the micron-sized plate-like zirconium silicate powder. The preparation method is simple in process, less in environmental pollution and easy for industrial production. The prepared zirconium silicate powder has good crystallization, few defects, regular plate-like shape, micron-sized size and uniform distribution; when the micron-sized plate-like zirconium silicate powder is applied to ceramic glazed tiles, the wear resistance and skid resistance of the ceramic glazed tiles can be obviously improved, the opacifying effect is weak, and the ceramic glazed tiles have good application effect.

Description

technical field [0001] The invention relates to a zirconium silicate powder, in particular to a zirconium silicate powder in the form of a micron plate and a preparation method thereof. It belongs to the field of inorganic materials. Background technique [0002] Zirconium silicate (ZrSiO 4 ) has a high melting point, low thermal conductivity, small thermal expansion coefficient, high hardness, and good chemical stability. It can be used as an opacifying agent, wear-resistant material, and anti-skid material in the field of architectural ceramics. Adding zirconium silicate powder with higher hardness into the glaze, or directly separating zirconium silicate crystals from the glaze, can significantly increase the wear resistance and anti-skid performance of glazed tiles. However, if the preparation process is not well controlled, the zirconium silicate powder is in the nanometer or submicron scale, which will produce obvious opacification effect. Therefore, at present, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B33/20B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00C01B33/20C01P2002/72C01P2004/01C01P2004/20C01P2004/62C01P2004/64C01P2006/62C01P2006/63C01P2006/64
Inventor 郭大芝陈裕文郭峰
Owner 佛山科海意诺陶瓷科技有限公司
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