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Sanitary ware repairing glaze and preparation method thereof

A sanitary ware and repair glaze technology, which is applied in the field of sanitary ware repair glaze and its preparation, can solve the problems of color mismatch at the repair position, low burnback temperature, poor repair effect, etc., and achieve high color consistency and low burnback temperature , The effect of reducing the ratio of burning and deformation

Active Publication Date: 2020-11-13
江门市东鹏智能家居有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the problems raised by the background technology, the purpose of the present invention is to propose a sanitary ware repair glaze, which has high color consistency before and after repair, good thermal stability of the repair position, improved repair rate, and low backfire temperature, which solves the problem of repair position The color does not match with the main body, and the problem of high proportion of burnt and deformed products after reheating
[0004] Another object of the present invention is to propose the preparation method of the sanitary ware repair glaze, the prepared sanitary ware repair glaze slip and sanitary ware repair glaze slurry will not crack due to rapid drying, and the adhesion to the main body of the sanitary ware Good, combined with no cracks at the border, it solves the problem that the repair position or border is easy to dry and crack, and the repair effect is poor

Method used

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  • Sanitary ware repairing glaze and preparation method thereof
  • Sanitary ware repairing glaze and preparation method thereof
  • Sanitary ware repairing glaze and preparation method thereof

Examples

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Effect test

preparation example Construction

[0042] A preparation method of sanitary ware repair glaze for preparing the sanitary ware repair glaze includes the following steps:

[0043] The preparation step of the repair glaze slurry is to mix the raw materials of the repair glaze with water according to the formula amount, and calculate according to the weight percentage of the dry weight of the repair glaze. Add 0.25~0.35% of carboxymethyl cellulose, 0.5~1.5% of glycerin and 33 ~38% water, continue ball milling to obtain slurry, and then use plaster mold to absorb the water in the slurry to prepare a sanitary ware repair glaze;

[0044] And the repair glaze slurry preparation step, the repair glaze raw materials are mixed with water according to the formula amount, and calculated according to the weight percentage of the dry weight of the repair glaze raw materials, add 0.25-0.35% carboxymethyl cellulose and 33-38% water, Continue ball milling to obtain slurry, and then add water to adjust the specific gravity of the slurr...

Embodiment 1～5

[0058] A sanitary ware repair glaze is calculated according to weight percentage, and its raw material formula is shown in the following table.

[0059]

[0060] Among them, calculated by weight percentage, the chemical composition of low melting point glass powder is 55% SiO 2 , 23%B 2 O 3 , 2% Al 2 O 3 , 10%CaO, 1%MgO, 4%ZnO, 3%K 2 O and 2%Na 2 O, the initial melting temperature is 450℃;

[0061] Calculated by weight percentage, the chemical composition of spodumene is 7.5% Li 2 O, 1%K 2 O, 0.2%Na 2 O, 25% Al 2 O 3 , 65% SiO 2 , 0.5% CaO, 0.3% MgO and 0.5% ignition loss;

[0062] Calculated by weight percentage, the raw material components of the surface glaze are 25.5% of potash feldspar, 27.5% of quartz, 5.2% of kaolin, 3.5% of alumina, 10.8% of wollastonite, 3.8% of dolomite, 9.9% of calcium carbonate, Zirconium silicate 9.2% (average particle size <0.9µm), calcined zinc oxide 2.1%, frit 2.467%, and pigment 0.033% (the pigment is 0.011% cobalt blue and 0.022% zirconium iron red)...

Embodiment 6

[0073] The raw material formula is the same as in Example 2. The preparation method of sanitary ware repair glaze includes the following steps:

[0074] The preparation step of the repair glaze mud is to mix the raw materials of the repair glaze with water according to the formula amount, and calculate according to the weight percentage of the dry weight of the repair glaze. Add 0.35% carboxymethyl cellulose, 1.5% glycerin and 38% water. Continue ball milling to obtain the slurry, and then use a plaster mold to absorb the moisture in the slurry to prepare a sanitary ware repair glaze with a moisture content of 23%;

[0075] And the repair glaze slurry preparation step, the repair glaze raw materials are mixed with water according to the formula amount, calculated according to the weight percentage of the dry weight of the repair glaze raw materials, 0.35% carboxymethyl cellulose and 38% water are added, and the ball mill is continued to obtain the slurry And then add water to adjus...

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Abstract

The invention discloses sanitary ware repairing glaze and a preparation method thereof, the sanitary ware repairing glaze comprises the following raw materials by weight percentage: 10-20% of low-melting-point glass powder, 15-30% of spodumene, 50-74% of surface glaze and 0.3-0.8% of nano La2O3, wherein the initial melting temperature of the low-melting-point glass powder is 400-530 DEG C. The sanitary ware repairing glaze has the advantages of high color consistency before and after repair, good thermal stability of the repair position, improvement of the repair superior rate, low re-burningtemperature, and solving of the problems of mismatching of the repair position and the main body color, and high proportion of burnt and deformed products after re-burning. According to the preparation method of the sanitary ware repairing glaze, the prepared sanitary ware repairing glaze mud and sanitary ware repairing glaze slip cannot crack due to rapid drying, the bonding property with a sanitary ware main body is good, no crack exists at the bonding boundary, and the problems that the repairing position or boundary is prone to drying and cracking, and the repairing effect is poor are solved.

Description

Technical field [0001] The invention relates to the technical field of inorganic non-metallic materials, in particular to a sanitary ware repair glaze and a preparation method thereof. Background technique [0002] In the process of producing sanitary ware, 8-10% of the products usually have slight defects, and the defects need to be repaired to make them superior products. At present, there are two main methods for repairing the defect position of sanitary ware: the first is cold repair, which uses sanitary ceramic repair agent to repair the defect position. This method does not require sintering, but it contains organic ingredients and takes a long time. , The repaired sanitary ware will be discolored, resulting in a mismatch between the repaired position and the color of the main body, which seriously affects the aesthetics of the sanitary ware; another method is high-temperature re-firing, which is to cover the glaze on the defective position, and then The whole sanitary war...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/20C03C8/04C04B41/86
CPCC03C8/04C03C8/20C04B41/5022C04B41/86C04B41/4539C04B41/4572C04B41/0072
Inventor 李月琴梁文宋凡超梁新强
Owner 江门市东鹏智能家居有限公司
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