Composite zirconium silicate opacifier, preparation method thereof and application

An opacifying agent and zirconium silicate technology, which is applied in the field of composite zirconium silicate opacifying agent and its preparation, can solve the problems that the opacifying effect of residual particles cannot be fully exerted, the glaze has poor spreading performance at high temperature, and the radioactivity of ceramic products is high. Ideal opacification effect, high glaze gloss, radioactive control effect

Active Publication Date: 2016-11-23
MATRIX GUANGZHOU CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, a large amount of zirconium silicate is added to the raw glaze for ceramic tiles or raw glaze for sanitary ware in pursuit of whiteness, which not only makes the production cost of raw glaze for ceramic tiles or sanitary ware raw The problem of product defects, at the same time, it is easy to cause high radioactivity of ceramic products, and the secondary precipitation of zirconium silicate particles is less, resulting in the opacification of residual particles cannot be fully exerted

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A composite zirconium silicate opacifier prepared from materials comprising the following components:

[0043] 3,750 kg of zircon sand, 400 kg of calcined alumina, and 850 kg of low-temperature frit.

[0044] The preparation method of present embodiment composite zirconium silicate opacifier comprises the following steps:

[0045] (1) put all the above-mentioned materials into the mixer and carry out mixed treatment, after stirring evenly, add in the ball mill, add 2500 kilograms of water to grind, and add the dispersant sodium polyacrylate of material total amount 3wt% (150 kilograms), Ball milled for 25 hours, the particle diameter of the material was controlled at less than 5um, and an appropriate amount of water was added (in this embodiment, 200 kg, in actual production, adding an appropriate amount of water to dilute until the material can be unloaded) was diluted so as to facilitate unloading and obtain slurry Material 1;

[0046] (2) Discharge and stir the slu...

Embodiment 2

[0054] A composite zirconium silicate opacifier prepared from materials comprising the following components:

[0055] 3,500 kg of zircon sand, 500 kg of calcined alumina powder, and 1,000 kg of low-temperature frit.

[0056] The preparation method of present embodiment composite zirconium silicate opacifier comprises the following steps:

[0057](1) Put all the above-mentioned materials into the mixer and carry out mixing treatment, after stirring evenly, add in the ball mill, add 2500 kilograms of water to grind, and add the dispersant sodium polyacrylate of material total amount 5wt% (250 kilograms), Ball milled for 25 hours, the particle diameter of the material was controlled at less than 5um, and an appropriate amount of water was added (in this embodiment, 200 kg, in actual production, adding an appropriate amount of water to dilute until the material can be unloaded) was diluted so as to facilitate unloading and obtain slurry Material 1;

[0058] (2) Discharge and sti...

Embodiment 3

[0066] A composite zirconium silicate opacifier prepared from materials comprising the following components:

[0067] 3,500 kg of zircon sand, 300 kg of calcined alumina powder, and 1,200 kg of low-temperature frit.

[0068] The preparation method of present embodiment composite zirconium silicate opacifier comprises the following steps:

[0069] (1) put all the above-mentioned materials into the mixer and carry out mixing treatment, after stirring evenly, add in the ball mill, add 2500 kilograms of water to grind, and add the dispersant sodium polyacrylate of material total amount 4wt% (200 kilograms), Ball milled for 25 hours, the particle diameter of the material was controlled at less than 5um, and an appropriate amount of water was added (in this embodiment, 200 kg, in actual production, adding an appropriate amount of water to dilute until the material can be unloaded) was diluted so as to facilitate unloading and obtain slurry Material 1;

[0070] (2) Discharge and st...

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Abstract

The invention discloses composite zirconium silicate opacifier, a preparation method thereof and an application. The composite zirconium silicate opacifier is prepared from the following materials in weight percentage, 65%-84% of zircon sand, 1%-15% of calcined alumina and 15%-30% of low-temperature frit. The low-temperature frit is prepared from the following raw materials in weight percentage, 25%-35% of potassium feldspar powder, 10%-20% of apatite powder, 2%-8% of fluorite powder, 10%-15% of calcium carbonate, 15%-18% of sodium borate, 1%-8% of zinc oxide and 2%-8% of quartz powder. The glazing L value of the composite zirconium silicate opacifier is basically higher than 91, opacifying effects are ideal, production cost is reduced, and the radioactivity of a product can be effectively controlled.

Description

technical field [0001] The invention relates to the field of opacifying agents, in particular to a composite zirconium silicate opacifying agent and its preparation method and application. Background technique [0002] At present, a large amount of zirconium silicate is added to the raw glaze for ceramic tiles or raw glaze for sanitary ware in pursuit of whiteness, which not only makes the production cost of raw glaze for ceramic tiles or sanitary ware raw The problem of product defects is also likely to cause high radioactivity in ceramic products, and the secondary precipitation of zirconium silicate particles is less, resulting in the inability to fully exert the opacification effect of residual particles. Contents of the invention [0003] Based on this, it is necessary to provide a composite zirconium silicate opacifier and its preparation method and application to address the above problems. [0004] The specific technical scheme is as follows: [0005] A composite...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C1/04C03C8/20C04B41/86
CPCC03C1/04C03C8/20C04B41/86C04B41/5022
Inventor 黎俊豪陈秀林易立群邓广兴肖飞
Owner MATRIX GUANGZHOU CHEM CORP
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