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A kind of preparation method of underglaze colored bone ash china

A technology of bone ash china and underglaze color, which is applied in the field of preparation of underglaze color bone china, can solve the problems of easy cracking of the product, easy production of gaps in the porcelain mouth, and low service life, so as to ensure whiteness and brightness, less Energy loss, effect of increasing stability

Active Publication Date: 2022-04-05
FUJIAN QUANZHOU LONGPENG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, compared with traditional high-temperature porcelain, bone china also has its disadvantages. First, the hardness of the carcass is relatively poor, and it is easy to produce gaps in the porcelain mouth when the product is used for a long time; second, the thermal stability is relatively poor. , the product is prone to bursting and the service life is low, which needs further improvement

Method used

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  • A kind of preparation method of underglaze colored bone ash china
  • A kind of preparation method of underglaze colored bone ash china

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preparation example Construction

[0022] A preparation method for underglaze color bone ash china, comprising the steps of:

[0023] (1) weigh the ingredients according to the formula of the body and glaze raw materials, and mix, pulverize, mix and wet ball mill the raw materials respectively to prepare the base slurry and the glaze;

[0024] (2) The base slurry and glaze prepared in step (1) are subjected to magnetic separator for multiple iron removal, until the iron content in the base slurry and glaze is lower than 0.05%;

[0025] (3) Making the base slurry obtained in step (2) into a green body, putting it into a kiln, and bisque firing at 1220-1260° C. for 4-5 hours to obtain a ceramic green body;

[0026] (4) applying the glaze made in step (2) to the surface of the ceramic green body obtained in step (3);

[0027] (5) After the glaze on the surface of the ceramic body is dried, put it into the kiln, first burn it in a reducing atmosphere at 760-800°C for 3-4h, then turn it into an oxidizing atmosphere...

Embodiment 1

[0034] An underglaze bone china, comprising bone china body and glaze, the body includes the following raw materials in parts by weight: 70 parts of bone char, 35 parts of anorthite, 30 parts of quartz, 30 parts of kaolin, 10 parts of sepiolite, 20 parts of sillimanite, 5 parts of vermiculite, 3 parts of diatomaceous earth, 8 parts of alumina, and 6 parts of magnesium oxide.

[0035] The glaze includes the following raw materials in parts by weight: 20 parts of dolomite, 30 parts of cooked talc, 15 parts of anorthite, 10 parts of quartz, 12 parts of zirconium silicate, 6 parts of zinc oxide, 5 parts of magnesium silicate, and 1 part of barium oxide , 0.8 parts of lanthanum oxide, and 1 part of sodium polyacrylate.

[0036] A preparation method for underglaze color bone ash china, comprising the steps of:

[0037] (1) weigh the ingredients according to the formula of the body and glaze raw materials, and mix, pulverize, mix and wet ball mill the raw materials respectively to p...

Embodiment 2

[0048] An underglaze bone china, comprising bone china body and glaze, the body includes the following raw materials in parts by weight: 80 parts of bone char, 30 parts of anorthite, 40 parts of quartz, 20 parts of kaolin, 12 parts of sepiolite, 10 parts of sillimanite, 10 parts of vermiculite, 5 parts of diatomaceous earth, 5 parts of alumina, and 10 parts of magnesium oxide.

[0049] The glaze includes the following raw materials in parts by weight: 25 parts of dolomite, 20 parts of cooked talc, 18 parts of anorthite, 15 parts of quartz, 10 parts of zirconium silicate, 10 parts of zinc oxide, 3 parts of magnesium silicate, and 3 parts of barium oxide , 0.5 parts of lanthanum oxide, and 2 parts of sodium polyacrylate.

[0050] A preparation method for underglaze color bone ash china, comprising the steps of:

[0051] (1) weigh the ingredients according to the formula of the body and glaze raw materials, and mix, pulverize, mix and wet ball mill the raw materials respectively...

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Abstract

A method for preparing underglaze bone china. The bone china comprises a bone china body and a glaze, and the body includes the following raw materials in parts by weight: bone char, anorthite, quartz, kaolin, sepiolite, and sillimanite , vermiculite, diatomite, alumina, magnesia, the body is made of bone char, anorthite, quartz and kaolin as the main raw materials, supplemented by sepiolite, sillimanite, vermiculite and diatomite, so that the prepared Bone china has high strength, sepiolite has high thermal stability, sillimanite has high compressive strength, diatomite has high impact strength, tensile strength and tear strength. Combined with bone charcoal, anorthite, quartz and kaolin, the final bone china has high compressive strength and impact strength, which can be used as daily porcelain.

Description

technical field [0001] The invention belongs to the field of porcelain preparation, and in particular relates to a preparation method of underglaze color bone ash china. Background technique [0002] Because of its "thin as paper, transparent as a mirror, sound like chime, and white as jade", bone china is delicate and transparent, beautiful and elegant in shape, moist and bright in color, and colorful in flower surface, which makes it white and beautiful. Texture and luxurious shape, with dual values ​​of use and art, bone china has gradually become a world ceramic treasure after generations of master craftsmen. [0003] However, compared with traditional high-temperature porcelain, bone china also has its disadvantages. First, the hardness of the carcass is relatively poor, and it is easy to produce gaps in the porcelain mouth when the product is used for a long time; second, the thermal stability is relatively poor. , the product is prone to bursting and has a low servic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/447C04B35/622C04B35/63C04B41/86
CPCC04B35/447C04B35/622C04B35/6303C04B41/009C04B41/5022C04B41/86C04B2235/3481C04B2235/3418C04B2235/349C04B2235/3445C04B2235/3217C04B2235/3206C04B2235/656C04B2235/6567C04B2235/6583C04B2235/96C04B2235/9607C04B41/4535
Inventor 苏康福
Owner FUJIAN QUANZHOU LONGPENG GROUP
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