Zirconium white frit, white ground glaze, and preparation methods and application of zirconium white frit and white ground glaze

A frit, zirconium white technology, applied in the field of building materials, can solve the problems of substandard flatness of tiles, small expansion coefficient, increased whiteness, etc., and achieve the effects of low use cost, good flatness, and simple operation.

Active Publication Date: 2021-09-10
清远市简一陶瓷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adding zirconium silicate as an opacifying agent to the glaze can significantly increase the whiteness of the glaze, but the expansion coefficient of zirconium silicate is small, and it is easy to make the glaze surface uneven. The amount of zirconium silicate added to the bottom glaze of most marble tiles It is 15-20%, and

Method used

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  • Zirconium white frit, white ground glaze, and preparation methods and application of zirconium white frit and white ground glaze
  • Zirconium white frit, white ground glaze, and preparation methods and application of zirconium white frit and white ground glaze
  • Zirconium white frit, white ground glaze, and preparation methods and application of zirconium white frit and white ground glaze

Examples

Experimental program
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Effect test

Embodiment 1～8

[0021] Examples of zirconium white frit according to the present invention, the formulas of Examples 1 to 8 are shown in Table 1, and the preparation method is as follows: zircon sand, calcined alumina, quartz, potassium feldspar, calcite, dolomite, phosphorus Limestone, calcined zinc oxide and tin oxide are mixed evenly in proportion, and then calcined. The calcined conditions are as follows: figure 1 As shown, first raise the temperature to 300°C within 90 minutes, then spend 90 minutes to raise the temperature to 1100°C, then raise the temperature to 1530°C within 60 minutes, then quickly cool down (10 minutes) to 1400°C, keep it for 30 minutes, and then water cooling, drying, crushing and sieving the cooled frit to obtain the zirconium white frit.

Embodiment 9～16

[0038] The embodiment of the white base glaze of the present invention, its formula is as shown in Table 3, the preparation method is: the zirconium white frit described in embodiment 1 is mixed with calcined kaolin, wollastonite, nepheline, water, printing oil, Ball mill for 10 minutes, then screen print twice with 80 mesh on the common base glaze, and dry to obtain the white base glaze. Wherein, the mass ratio of water and printing oil is 1:1, and the total weight of water and printing oil is the same as the total weight of zirconium white frit, calcined kaolin, wollastonite and nepheline.

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Abstract

The invention discloses a zirconium white frit, a white ground glaze and preparation methods and application of the zirconium white frit and the white ground glaze, belonging to the technical field of building materials. The zirconium white frit comprises the following components in percentage by weight: 12-20% of zircon sand, 1-4% of calcined alumina, 15-25% of quartz, 25-32% of potassium feldspar, 1-6% of calcite, 8-15% of dolomite, 1-7% of apatite, 10-15% of calcined zinc oxide and 3-10% of tin oxide. The zirconium white frit comprises the following chemical components in percentage by weight: 41 percent to 45 percent of SiO2, 4 percent to 6 percent of SnO2, 5 percent to 7 percent of Al2O3, 0.01 percent to 0.05 percent of Fe2O3, 0.01 percent to 0.05 percent of TiO2, 5.5 percent to 8 percent of CaO, 2.5 percent to 4 percent of MgO, 2 percent to 4 percent of K2O, 0.5 percent to 1.5 percent of Na2O, 9 percent to 14 percent of ZnO, 1 percent to 2 percent of P2O5, 9 percent to 12 percent of ZrO2 and 6 percent to 9 percent of IL. The whiteness of the zirconium white frit prepared according to the above formula can reach 85 degrees, and the white ground glaze prepared from the zirconium white frit also has good flatness and whiteness.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a zirconium white frit, a white underglaze and a preparation method and application thereof. Background technique [0002] For ceramic tiles with a white background color, the whiter the bottom glaze, the higher the product grade. For example, high-end marble tiles such as Carrara White and Snowflake White require a background color with a whiteness of more than 80. Adding zirconium silicate as an opacifying agent to the glaze can significantly increase the whiteness of the glaze, but the expansion coefficient of zirconium silicate is small, and it is easy to make the glaze surface uneven. The amount of zirconium silicate added to the bottom glaze of most marble tiles It is 15-20%, and the whiteness is generally around 65°. If the amount of zirconium silicate continues to increase, the increase in whiteness will not be obvious, and it will cause the flatness of the til...

Claims

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Application Information

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IPC IPC(8): C03C8/04C03C8/20C04B41/86
CPCC03C8/04C03C8/20C04B41/5022C04B41/86
Inventor 区邦熙苏伟劲彭细辉吴惠权
Owner 清远市简一陶瓷有限公司
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