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A kind of sanitary ware repair 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: 2021-03-02
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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  • A kind of sanitary ware repair glaze and preparation method thereof
  • A kind of sanitary ware repair glaze and preparation method thereof
  • A kind of sanitary ware repair glaze and preparation method thereof

Examples

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preparation example Construction

[0042] A method for preparing sanitary ware repair glaze, used to prepare the sanitary ware repair glaze, comprising the following steps:

[0043] The preparation step of the repairing glaze mud is to mix the raw materials of the repairing glaze with water according to the formula and ball mill, and calculate according to the weight percentage of the dry weight of the raw materials of the repairing glaze, add 0.25 to 0.35% of carboxymethyl cellulose, 0.5 to 1.5% of glycerin and 33 ~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 mud;

[0044] and repairing glaze slurry preparation step, the raw materials of the repairing glaze are mixed with water according to the formula and ball milled, calculated according to the weight percentage of the dry weight of the raw materials of the repairing glaze, adding 0.25-0.35% of carboxymethyl cellulose and 33-38% of water, Contin...

Embodiment 1～5

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

[0059]

[0060] Among them, according to the weight percentage, the chemical composition of the 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 onset temperature is 450°C;

[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%SiO2 2 , 0.5%CaO, 0.3%MgO and 0.5% ignition reduction;

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

[0063] Nano L...

Embodiment 6

[0073] Its raw material formula is consistent with embodiment 2, wherein the preparation method of sanitary ware repair glaze comprises the following steps:

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

[0075] And repair glaze slurry preparation step, the raw materials of the repair glaze are mixed with water according to the formula amount and ball milled, calculated according to the weight percentage of the dry weight of the raw materials of the repair glaze, adding 0.35% carboxymethyl cellulose and 38% water, and contin...

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Abstract

The invention discloses a sanitary ware repair glaze and a preparation method thereof. The sanitary ware repair glaze is calculated according to the weight percentage, and its raw materials include the following components: 10-20% of low melting point glass powder, 15-30% of spodumene , surface glaze 50~74% and nano La 2 o 3 0.3-0.8%; the incipient melting temperature of the low-melting point glass powder is 400-530°C. The sanitary ware repairing glaze has high color consistency before and after repairing, good thermal stability of the repairing position, improved repair rate, and low back-burning temperature, which solves the problem of mismatching of the repairing position and the main body color, as well as burning cracks after back-burning, The problem of high proportion of deformed products. According to 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 have good adhesion to the main body of the sanitary ware, and there is no crack at the joint boundary. It solves the problem that the repaired position or border is easy to dry and crack, and the repairing effect is poor.

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, usually 8-10% of the products have slight defects, and the defective positions need to be repaired to make them high-quality products. At present, there are two main methods of repairing the defective positions of sanitary ware: the first is to perform cold repair, and use sanitary ceramic repair agents to repair the defective positions. This method does not require sintering, but because it contains organic components, it takes a long time to use , the repaired sanitary ware will appear discolored, resulting in a mismatch between the repaired position and the main body color, which seriously affects the aesthetics of the sanitary ware; The entire sanitary ware is fired back into the furnace, so that the repaired glaze i...

Claims

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Application Information

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Patent Type & Authority Patents(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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