Sanitary ceramic engobe and preparation method thereof

A technology for sanitary ceramics and cosmetic soil, applied in the field of cosmetic soil for sanitary ceramics and sanitary ceramics, can solve the problems of high processing difficulty, unsatisfactory effect, and reduced dosage, etc., and achieves improved market competitiveness, good coverage effect, and reduced production costs. Effect

Inactive Publication Date: 2018-02-09
四川金辉卫浴洁具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The requirements of sanitary ceramics for cosmetic clay include that the degree of sintering is higher than that of the green body and lower than that of the surface glaze of sanitary ceramics; the cosmetic clay must have a high whiteness (whiteness not less than 75°) and the decomposition of organic matter in the cosmetic clay should be avoided. Bubbles, brown eyes and other defects caused by the existing technology, the cosmetic soil applied to sanitary ceramics is mainly zirconium series cosmetic soil, especially the cosmetic soil with zircon as the opacifying agent is the most widely used, but the system Make-up soil has high viscosity at high temperature and many surface defects, which is not only difficult to process, but also the effect is not ideal. In addition, zircon is expensive, which greatly increases the production cost, and zircon mineral raw materials are often produced due to the influence of associated minerals. It is radioactive, and the dosage needs to be reduced as much as possible, so it is difficult to achieve the effect of color coverage and defect repair

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Sanitary ceramic makeup soil is prepared by the following steps:

[0021] (1) Weigh each raw material according to the following ratio: potassium feldspar 25wt%, quartz 30wt%, stilbite 15wt%, kaolin 10wt%, calcite 10wt%, titanium dioxide 10wt%, of which potassium feldspar, quartz, stilbite, kaolin The particle size of raw materials of , calcite and titanium dioxide is less than 50 μm, and the particle size of zirconium silicate is less than 20 μm;

[0022] (2) Add the above-mentioned raw materials into a ball mill, and add water in an amount of 50wt% of the total amount of the above-mentioned raw materials for ball milling. After the ball milling, the fineness of the glaze slurry is 325 mesh and the balance is less 0.05% .

[0023] (3) Iron removal: the obtained glaze slurry is removed by conventional methods to obtain the sanitary ceramic makeup soil;

[0024] After testing, the obtained sanitary ceramic makeup soil includes SiO 2 : 55~60wt%, Al 2 o 3 : 5~10wt%, C...

Embodiment 2

[0026] (1) Weigh each raw material according to the following proportions: potassium feldspar 25wt%, quartz 25wt%, stilbite 10wt%, kaolin 15wt%, calcite 13wt%, titanium dioxide 12wt%, of which potassium feldspar, quartz, stilbite, kaolin The particle size of raw materials of , calcite and titanium dioxide is less than 50 μm, and the particle size of zirconium silicate is less than 20 μm;

[0027] (2) Add the above raw materials into a ball mill, and add water in an amount of 50wt% of the total amount of the above raw materials for ball milling. After ball milling, the fineness of the glaze slurry is 325 mesh and the balance is less than 0.05%.

[0028] (3) Iron removal: the obtained glaze slurry is removed by conventional methods to obtain the sanitary ceramic makeup soil;

[0029] After testing, the obtained sanitary ceramic makeup soil contains SiO 2 : 55~60wt%, Al 2 o 3 : 5~10wt%, CaO: 2~10wt%, K 2 O: 1~8wt%, Na 2 O: 0.5~1.2wt%, ZrO 2 : 0~5wt%, TiO 2 : 2~5wt%, F: 0.2...

Embodiment 3

[0031] (1) Weigh each raw material according to the following proportions: potassium feldspar 20wt%, quartz 25wt%, stilbite 15wt%, kaolin 15wt%, calcite 15wt%, titanium dioxide 10wt%, of which potassium feldspar, quartz, stilbite, kaolin The particle size of raw materials of , calcite and titanium dioxide is less than 50 μm, and the particle size of zirconium silicate is less than 20 μm;

[0032] (2) Add the above raw materials into a ball mill, and add water in an amount of 50wt% of the total amount of the above raw materials for ball milling. After ball milling, the fineness of the glaze slurry is 325 mesh and the balance is less than 0.05%.

[0033] (3) Iron removal: the obtained glaze slurry is removed by conventional methods to obtain the sanitary ceramic makeup soil;

[0034] After testing, the obtained sanitary ceramic makeup soil includes SiO 2 : 55~60wt%, Al 2 o 3 : 5~10wt%, CaO: 2~10wt%, K 2 O: 1~8wt%, Na 2 O: 0.5~1.2wt%, ZrO 2 : 0~5wt%, TiO 2 : 2~5wt%, F: 0.2...

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Abstract

The invention discloses sanitary ceramic engobe and a preparation method thereof. The sanitary ceramic engobe is prepared from potassium feldspar, quartz, stilbite, kaolin, calcite and titanium dioxide. The sanitary ceramic engobe has great color masking and defect repairing functions and is high in refractoriness, whiteness and uniformity and excellent in opacifying effect.

Description

technical field [0001] The invention relates to the technical field of sanitary ceramics, in particular to the technical field of cosmetic soil for sanitary ceramics. Background technique [0002] In the ceramic preparation process, a layer of uniform texture is hung on the ceramic body, which can improve the appearance of the body. The incompletely melted covering layer is called makeup soil. Compared with the glaze, the main difference between the make-up clay and the glaze is that the glass phase content in the glaze is more, and it is in a completely molten state at high temperature. And make-up soil is only just sintered and unfused state. The requirements of sanitary ceramics for cosmetic clay include that the degree of sintering is higher than that of the green body and lower than that of the surface glaze of sanitary ceramics; the cosmetic clay must have a high whiteness (whiteness not less than 75°) and the decomposition of organic matter in the cosmetic clay shoul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/85
CPCC04B41/009C04B41/5024C04B41/85C04B33/00C04B35/00
Inventor 冯晋阳文联辉徐仁杰
Owner 四川金辉卫浴洁具有限公司
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