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Bone ceramics glaze, glaze slip and preparing method

A bone china and glaze technology, applied in the field of ceramic glaze, can solve the problems of surface roughness and poor gloss, and achieve the effect of smooth glaze surface, improved quality and grade, and strong fluidity

Pending Publication Date: 2018-06-22
HENAN UNIV OF URBAN CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a bone china glaze, so as to solve the problems of poor surface roughness and gloss after being glazed in the existing bone china glaze

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The bone porcelain glaze of this embodiment is made of the following raw materials by weight: 18 parts of silicon dioxide, 10 parts of aluminum oxide, 2 parts of lithium carbonate, 12 parts of kaolin, 10 parts of feldspar, 10 parts of borax, phosphoric acid 18 parts of calcium, 11 parts of talc, 4 parts of pearl powder, 1 part of zirconium silicate, 4 parts of calcite.

[0031] The bone china glaze slurry of this embodiment is composed of water, bone china glaze, dispersant, sodium carboxymethyl cellulose (CMC), and sodium tripolyphosphate. The mass ratio of water to bone china glaze is 1:0.9. The masses of dispersant, CMC and sodium tripolyphosphate are respectively 0.1%, 0.2%, and 0.1% of the mass of the bone china glaze.

[0032] The preparation method of the bone china glaze slurry of this embodiment adopts the following steps:

[0033] 1) Preparation of bone porcelain glaze: pulverize each raw material into powder with a particle size of not more than 500μm, then mix the...

Embodiment 2

[0037] The bone china glaze of this embodiment is made of the following raw materials: 20 parts by weight of silicon dioxide, 12 parts of aluminum oxide, 3 parts of lithium carbonate, 12 parts of kaolin, 8 parts of feldspar, 9 parts of borax, and phosphoric acid 15 parts of calcium, 12 parts of talc, 3 parts of pearl powder, 2 parts of zirconium silicate, 4 parts of calcite.

[0038] The bone china glaze slurry of this embodiment is composed of water, bone china glaze, dispersant, sodium carboxymethyl cellulose (CMC), and sodium tripolyphosphate. The mass ratio of water to bone china glaze is 1:1.1. The masses of dispersant, CMC and sodium tripolyphosphate are respectively 0.2%, 0.2% and 0.1% of the mass of the bone china glaze.

[0039] The preparation method of the bone porcelain glaze slurry of this embodiment is basically the same as that of embodiment 1, except that in step 1), the calcination temperature is 1460°C and the holding time is 2 hours; in step 2), during one ball m...

Embodiment 3

[0041] The bone china glaze of this embodiment is made of the following raw materials: 18 parts by weight of silicon dioxide, 9 parts of aluminum oxide, 3 parts of lithium carbonate, 8 parts of kaolin, 15 parts of feldspar, 10 parts of borax, and phosphoric acid 15 parts of calcium, 10 parts of talc, 5 parts of pearl powder, 1 part of zirconium silicate, 6 parts of calcite.

[0042] The bone china glaze slurry of this embodiment is composed of water, bone china glaze, dispersant, sodium carboxymethyl cellulose (CMC), and sodium tripolyphosphate. The mass ratio of water to bone china glaze is 1:1.2. The masses of dispersant, CMC and sodium tripolyphosphate are respectively 0.2%, 0.3% and 0.2% of the mass of the bone china glaze.

[0043] The preparation method of the bone porcelain glaze slurry of this embodiment is basically the same as that of embodiment 1, except that in step 1), the calcination temperature is 1400° C. and the holding time is 1.5 h; in step 2), one ball milling p...

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Abstract

The invention relates to bone ceramics glaze, glaze slip and a preparing method. The bone ceramics glaze is mainly prepared from, by weight, 15-20 parts of silicon dioxide, 9-12 parts of aluminum oxide, 1-3 parts of lithium carbonate, 8-12 parts of kaolin, 8-15 parts of feldspar, 8-10 parts of borax, 15-18 parts of calcium phosphate, 10-15 parts of talcum powder, 3-5 parts of pearl powder, 1-2 parts of zirconium silicate and 4-6 parts of calcite. The bone ceramics glaze is mainly prepared from raw materials like silicon dioxide, aluminum dioxide, lithium carbonate and kaolin, and the bone ceramics glaze with excellent performance can be prepared through a eutectic reaction. As is shown by glaze firing experiments, the glaze surface prepared with the bone ceramics glaze has high glossiness,surface roughness and transparency, and the appearance of bone porcelain of being smooth in surface, fine and transparent, glossy and bright can be fully shown.

Description

Technical field [0001] The invention belongs to the field of ceramic glazes, and specifically relates to a bone china glaze, a glaze slurry and a preparation method. Background technique [0002] Bone china is a kind of soft porcelain that is mainly made of bone powder (calcined treatment), while adding some mineral raw materials such as clay, feldspar, quartz, etc., using high-temperature biscuit firing and low-temperature glaze firing secondary firing process. The phase composition of the porcelain body is mainly tricalcium phosphate, anorthite and a certain amount of glass phase. Bone china presents a natural milky white color, delicate and transparent appearance, beautiful and elegant, moist and shiny, and has the reputation of being as thin as paper, white as jade, bright as a mirror, and sound like a chime. It is recognized as a high-end ceramic in the world and has a high level of art. Value and use value. [0003] Bone porcelain glaze is a key link in determining the qual...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/00C03C8/14
CPCC03C8/00C03C8/14
Inventor 李山鹰苏箐李银峰鲁冰雪陈湘宋成建刘向云张艳花李翔
Owner HENAN UNIV OF URBAN CONSTR
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