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Manufacturing process of crystal frit-containing exquisite glazes and exquisite products

A production process and frit glaze technology, which are applied to crystal frit and Linglong glaze containing crystal frit and the field of preparation thereof, can solve the problem that Linglong glaze is easy to generate bubbles, the yield is low, and the connection between Linglong glaze and bone china The problem of high cracking rate

Active Publication Date: 2013-08-21
SHENZHEN YONGFENGYUAN PORCELAIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current crystal Linglong glaze is used in white porcelain. Because white porcelain is fired at low temperature and glazed at high temperature, the body of Linglong and white porcelain can be fired at one time, and if the Linglong glaze used for white porcelain is used for bone china Firstly, because bone china requires high temperature bisque firing and low temperature glaze firing, ordinary Linglong glaze will lead to poor transparency of Linglong under the firing method of bone china, many bubbles, and high cracking rate at the joint between Linglong glaze and bone china
Therefore, if the traditional Linglong glaze is added to Linglong bone china products, the combination of the original frit and the green body after firing is not good, it is easy to crack, the light transmittance is poor, and air bubbles are likely to occur in Linglong glaze.
Due to abnormalities such as blank cracks, glaze cracks, and product deformation leaks, such products lead to extremely low yields, few high-quality products, and high production costs for finished products.

Method used

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  • Manufacturing process of crystal frit-containing exquisite glazes and exquisite products
  • Manufacturing process of crystal frit-containing exquisite glazes and exquisite products
  • Manufacturing process of crystal frit-containing exquisite glazes and exquisite products

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1: Crystal frit as top glaze

[0029] Crystal glass powder: 50 parts, borax: 24 parts, potassium feldspar: 6 parts, quartz: 5 parts, zinc oxide: 6 parts, kaolin: 5 parts, magnesium chloride: 4 parts

[0030] Step A: Mix the mixed total weight with water in a ratio of 4:6;

[0031] Step B: After the mixture is put into a quick ball mill jar and ground for 24 hours, pass through a 350-mesh sieve to get fine powdered ingredients.

[0032] Step C: Take the bisque-fired ceramic bottle, spray the fine powder ingredients, put it into a kiln with a temperature of 1450-1560° C. and calcinate it for 10-12 hours, then take it out. The product has a smooth glazed surface.

Embodiment 2

[0033] Example 2: Crystal frit as top glaze

[0034] Crystal glass powder: 45 parts, borax: 24 parts, potassium feldspar: 8 parts, quartz: 8 parts, zinc oxide: 6 parts, kaolin: 5 parts, magnesium chloride: 4 parts

[0035] Step A: Mix the mixed total weight with water in a ratio of 4:6;

[0036] Step B: Put the mixture into a quick ball mill jar and grind for 24 hours, then pass through a 350-mesh sieve to get fine powder ingredients.

[0037] Step C: Take the bisque-fired ceramic bottle, spray the fine powder ingredients, put it into a kiln with a temperature of 1450-1560° C. and calcinate it for 10-12 hours, then take it out. The product has a smooth glazed surface.

Embodiment 3

[0038] Example 3: Crystal frit as top glaze

[0039] Crystal glass powder: 49 parts, borax: 24 parts, potassium feldspar: 8 parts, quartz: 8 parts, zinc oxide: 2 parts, kaolin: 5 parts, magnesium chloride: 4 parts

[0040] Step A: mix the mixed total weight with water in a ratio of 5:5;

[0041] Step B: Put the mixture into a quick ball mill jar and grind for 24 hours, then pass through a 350-mesh sieve to get fine powder ingredients.

[0042] Step C: Take the bisque-fired ceramic bottle, spray the fine powder ingredients, put it into a kiln with a temperature of 1450-1560° C. and calcinate it for 10-12 hours, then take it out. The product has a smooth glazed surface.

[0043] Table 2

[0044]

[0045] As shown in Table 2, the crystal frit glaze prepared by the present invention has a good degree of bonding with the body, is not easy to crack, has good light transmittance, and reduces the occurrence of air bubbles in the Linglong glaze.

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Abstract

The invention provides a manufacturing process of crystal frit-containing exquisite glazes and exquisite products and relates to a formula and a preparation method of a crystal frit and the manufacturing process of the crystal frit-containing exquisite glazes and bone-china exquisite products. The crystal frit comprises the following components in percentage by weight: 40-55% of crystal glass powder, 20-24% of borax, 6-10% of potassium feldspar, 5-10% of quartz, 5-6% of zinc oxide, 5-8% of kaoline and 4-6% of magnesium chloride and particularly comprises the following components in percentage by weight: 40-62% of SiO2, 6.4-11% of Al2O3, 3.4-4.8% of CaO, 2.0-3.2% of K2O, 2.5-3.7% of Na2O, 6-7.9% of ZnO, 3.7-5.6% of MgCl2 and 11.6-14.0% of Na2B4O7. By adopting the technical scheme, the crystal exquisite frit can serve as the exquisite glazes in exquisite products and can also serve as cover glazes.

Description

technical field [0001] The invention relates to a crystal frit and Linglong glaze containing the crystal frit and a preparation method thereof, in particular to a crystal frit used for bone china and a Linglong glaze containing the crystal frit and a preparation method thereof. Background technique [0002] Linglong porcelain is carved out many regular "Linglong eyes" on the porcelain body through the engraving process, and then these holes are turned into translucent bright holes after being fired with glaze, which is very beautiful and is called "card glass". porcelain". Because the original meaning of "Linglong" is dexterity, clarity, and clarity, it is very accurate to call this kind of porcelain Linglong. [0003] The craft is to carve out a through hole in the shape of rice grains on the blank, fill it with a special glaze, apply a transparent glaze, and fire the porcelain at high temperature. [0004] The current crystal Linglong glaze is used in white porcelain. Be...

Claims

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Application Information

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IPC IPC(8): C03C8/04C04B41/86
Inventor 刘权辉王劲
Owner SHENZHEN YONGFENGYUAN PORCELAIN
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