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A high whiteness bone ceramic

A technology with high whiteness and bone quality, applied in the field of ceramics, can solve the problems of poor color and low whiteness, achieve the effect of low cost, high whiteness, and increase the difficulty of firing

Inactive Publication Date: 2015-08-05
JINGGANGSHAN HENGHUA CERAMICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the shortcomings of poor color and low whiteness existing in the existing bone ceramics, the technical problem to be solved by the invention is to provide a bone ceramic with good color and high whiteness

Method used

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Embodiment 1

[0032] A high-whiteness bone ceramic, the raw material of the high-whiteness bone ceramic body and its content by mass percentage are: 5% feldspar, 2% talc, 8% kaolin, 9% quartz, and 10% alumina %, bone meal 66%.

[0033] Preferably, the raw materials of the high-whiteness bone ceramic green body and their contents by mass percentage are: 6% feldspar, 2.5% talc, 8.5% kaolin, 10% quartz, 12% alumina, and 61% bone meal.

[0034] The raw materials of the high-whiteness bone ceramic glaze and their contents by mass percentage are: 40% feldspar, 8% talc, 10% quartz, 12% calcite, 5% zinc oxide, 5% barium carbonate, porcelain powder 20%.

[0035] See Table 1 for the chemical composition of high-whiteness bone ceramic body raw materials by mass percentage, and see Table 2 for the chemical composition of high-whiteness bone ceramic glaze raw materials by mass percentage. Cd and Pb must be strictly controlled for each raw material. The percentage content of elements should be lower th...

Embodiment 2

[0045] A high-whiteness bone ceramic, the raw material of the high-whiteness bone ceramic body and its content by mass percentage are: 7% talc, 3% talc, 9% kaolin, 11% quartz, and 13% alumina , bone meal 57%.

[0046] The raw materials of the high-whiteness bone ceramic glaze and their contents by mass percentage are: 40% feldspar, 8% talc, 10% quartz, 12% calcite, 5% zinc oxide, 5% barium carbonate, porcelain powder 20%.

[0047]See Table 1 for the chemical composition of high-whiteness bone ceramic body raw materials by mass percentage, and see Table 2 for the chemical composition of high-whiteness bone ceramic glaze raw materials by mass percentage. Cd and Pb must be strictly controlled for each raw material. The percentage content of elements should be lower than 0.01%, so as to improve the color and whiteness of bone ceramics from the source.

[0048] A method for preparing high-whiteness bone ceramics, comprising the following steps:

[0049] a. Preparing blanks: prep...

Embodiment 3

[0057] A high-whiteness bone ceramic, the raw material of the high-whiteness bone ceramic body and its content by mass percentage are: 6% feldspar, 2.5% talc, 8.5% kaolin, 10% quartz, 12% alumina %, bone meal 61%.

[0058] The raw materials of the high-whiteness bone ceramic glaze and their contents by mass percentage are: 40% feldspar, 8% talc, 10% quartz, 12% calcite, 5% zinc oxide, 5% barium carbonate, porcelain powder 20%.

[0059] See Table 1 for the chemical composition of high-whiteness bone ceramic body raw materials by mass percentage, and see Table 2 for the chemical composition of high-whiteness bone ceramic glaze raw materials by mass percentage. Cd and Pb must be strictly controlled for each raw material. The percentage content of elements should be lower than 0.01%, so as to improve the color and whiteness of bone ceramics from the source.

[0060] A method for preparing high-whiteness bone ceramics, comprising the following steps:

[0061] a. Preparing blanks...

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Abstract

The invention belongs to the technical field of ceramic and particularly relates to a high-whiteness bone ceramic. The invention aims to solve a technical problem of providing the bone ceramic which is good in color and high in whiteness. To solve the technical problem, the invention provides the high-whiteness bone ceramic. A blank body of the bone ceramic comprises, by mass, 5%-7% of feldspar, 2%-3% of talc, 8%-9% of kaolin, 9%-11% of quartz, 10%-13% of alumina and 66%-57% of bone powder. The invention has following beneficial effects: (1) the bone ceramic is good in color and high in whiteness since the content of the bone powder is high and the contents of lead and cadmium are very low in the raw materials; and (2) the alumina is employed in the raw materials of the bone ceramic, wherein the alumina is low in cost and is high in the content of aluminium oxide so that a production cost of the bone ceramic can be effectively reduced.

Description

technical field [0001] The invention belongs to the technical field of ceramics, and in particular relates to a high-whiteness bone ceramic. Background technique [0002] Bone ceramics is the abbreviation of bone china, the scientific name bone china. It is a kind of porcelain made of animal bone charcoal, clay, feldspar and quartz as the basic raw materials, which are fired twice by high-temperature biscuit firing and low-temperature glaze firing. Bone ceramics are also an environmentally friendly green consumer product. Bone ceramics are recognized as the highest grade porcelain in the world. [0003] Features of bone ceramics: 1. Beautiful appearance: the porcelain is delicate and transparent, the shape is beautiful and elegant, the color surface is moist and bright, and the flower surface is colorful; 2. High grade: produced in England, it has long been the special porcelain for the British royal family and nobles. It is currently the only high-grade porcelain recogniz...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/00C04B35/64C04B41/86
Inventor 刘永华赖林海龙岗军
Owner JINGGANGSHAN HENGHUA CERAMICS
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