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High-density dark green glaze

A turquoise, dense technology, applied in the field of ceramic glaze processing, can solve the problems of reducing the service life of ceramic products, easy to penetrate into cracks and pinholes, easy to appear cracks and pinholes, etc., to improve the grade, avoid cracks and pinholes. The effect of holes, avoiding cracks and pinholes

Inactive Publication Date: 2018-09-14
界首市伟盛古窑彩陶制作发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the gradual improvement of people's quality of life, ceramic products are used more and more widely, but the currently used colored ceramic products are prone to cracks and pinholes, and the substances in contact with them are easy to penetrate into cracks and pinholes during use, causing damage to ceramic products. Therefore, the lower density of the glaze obviously reduces the service life of ceramic products

Method used

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  • High-density dark green glaze

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A high-density turquoise glaze, made of the following raw materials in parts by weight: silicon dioxide 39, talc powder 11, cerium oxide 7.6, lanthanum oxide 5.1, zirconium oxide 4.7, praseodymium oxide 4.4, cobalt oxide 4.2, titanium dioxide 3.8, Nano Zinc Oxide 3.2, Denatured Wollastonite 3.3, Chlorite 4.1, Salt 1.2.

[0024] For the denatured wollastonite, pulverize the wollastonite to 160 mesh, heat the wollastonite to 1200°C in vacuum, wait for the wollastonite to cool naturally to 200°C, add a mass percentage concentration twice the weight of the wollastonite to the wollastonite 5% ammonium acetate solution, keep warm for 40 minutes, then heat at 3°C / min to 800°C, keep warm for 30 minutes, and cool down to room temperature naturally, which can improve the stability and corrosion resistance of the glaze and avoid the growth of the glaze Bacteria and discoloration, keep the glaze smooth, get denatured wollastonite.

[0025] A preparation method of high-density turq...

Embodiment 2

[0037]A high-density turquoise glaze, made of the following raw materials in parts by weight: silicon dioxide 40, talcum powder 12, cerium oxide 8.0, lanthanum oxide 5.6, zirconia 5.1, praseodymium oxide 4.9, cobalt oxide 4.7, titanium dioxide 4.2, nano zinc oxide 3.8, denatured wollastonite 3.6, chlorite 4.4, table salt 1.5.

[0038] For the denatured wollastonite, pulverize the wollastonite to 180 mesh, heat the wollastonite to 1300°C in vacuum, wait for the wollastonite to cool naturally to 230°C, add a concentration of 2.5 times the weight of the wollastonite to the wollastonite It is 6% ammonium acetate solution, heat for 50 minutes, then heat to 850°C at a speed of 3.5°C / min, hold for 35 minutes, and cool to room temperature naturally, which can improve the stability and corrosion resistance of the glaze and avoid the growth of the glaze. Bacteria and discoloration, keep the glaze smooth, get denatured wollastonite.

[0039] A preparation method of high-density turquois...

Embodiment 3

[0051] A high-density turquoise glaze, made of the following raw materials in parts by weight: silicon dioxide 41, talc powder 13, cerium oxide 8.4, lanthanum oxide 6.2, zirconium oxide 5.5, praseodymium oxide 5.3, cobalt oxide 5.1, titanium dioxide 4.7, Nano Zinc Oxide 4.5, Denatured Wollastonite 3.9, Chlorite 4.7, Salt 1.8.

[0052] For the denatured wollastonite, pulverize the wollastonite to 200 mesh, heat the wollastonite to 1400°C in vacuum, wait for the wollastonite to cool naturally to 250°C, add a mass percentage concentration of 3 times the weight of the wollastonite to the wollastonite It is 7% ammonium acetate solution, keep warm for 60 minutes, then heat up to 900°C at a rate of 4°C / min, keep warm for 40 minutes, and cool down to room temperature naturally, which can improve the stability and corrosion resistance of the glaze and avoid the growth of the glaze Bacteria and discoloration, keep the glaze smooth, get denatured wollastonite.

[0053] A preparation met...

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Abstract

The invention mainly relates to the technical field of ceramic glaze processing, and discloses a high-density dark green glaze. The high-density dark green glaze is prepared from silicon dioxide, talcum powder, cerium oxide, lanthanum oxide, zirconium oxide, praseodymium oxide, cobaltous oxide, titanium dioxide, nano-zinc oxide, modified wollastonite, chlorite and table salt. The high-density darkgreen glaze is wide in raw material source, low in price, bright in color and fine in enamel, and has good fluidity and smearing performance, cracks and pinholes are avoided, the glaze surface is smooth and dense, and the grade of ceramic products is obviously improved. After the silicon dioxide, the talcum powder, the cerium oxide, the lanthanum oxide, the zirconium oxide and the praseodymium oxide are mixed and smashed, the mixture is firstly slowly heated and then rapidly heated, the praseodymium oxide is dark green through high-temperature heating, meanwhile, after the raw materials are heated at high temperature stage by stage, the fineness and the smoothness of the glaze can be improved, the density is high, and the cracks and the pinholes are avoided in the glazing process.

Description

technical field [0001] The invention mainly relates to the technical field of ceramic glaze processing, in particular to a high-density blue-green glaze. Background technique [0002] Glaze is a kind of silicate. The glaze applied on ceramics is generally made of quartz, feldspar, and clay. After grinding and adding water, it is coated on the surface of the green body and melted by roasting at a certain temperature. The temperature drops When forming a thin glassy layer on the surface of ceramics, it can increase the mechanical strength, thermal stability, dielectric strength of the ceramics and prevent the erosion of liquids and gases. effect. [0003] With the gradual improvement of people's quality of life, ceramic products are used more and more widely, but the currently used colored ceramic products are prone to cracks and pinholes, and the substances in contact with them are easy to penetrate into cracks and pinholes during use, causing damage to ceramic products. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/06C04B41/86
CPCC03C8/06C04B41/5022C04B41/86C04B41/4539C04B41/0072
Inventor 邢淑芹
Owner 界首市伟盛古窑彩陶制作发展有限公司
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