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A kind of emerald green glaze and firing method thereof

A green glaze and emerald technology, applied in the field of ceramic glaze, can solve the problem of special natural color without kiln and very high requirements, and achieve the effect of beautiful color, high color uniformity and increased clarity

Active Publication Date: 2018-08-07
广东怡泰龙实业发展股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing glazes mostly use transparent materials. Even in-glaze products show the primary colors of red and green in the transparent glazes, and do not change special natural colors through the kiln. At present, the high-grade porcelain handicrafts on the market have little effect on glazes. The requirements are very high, and the invention provides a kind of emerald green glaze and its firing method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A method for firing emerald green glaze, comprising the following steps: mixing raw materials of emerald green glaze in proportion, adding water to mix, and passing through a 250-mesh sieve to obtain a suspension; immersing the bisque fired ceramic body into The resulting mixed solution is taken out after 7s, fired in an electric kiln, and cooled naturally to obtain a ceramic product with emerald green glaze on the surface;

[0015] The temperature curve of the electric kiln firing is set as follows: first, the temperature is raised from normal temperature to 500°C, which takes 2 hours; 5 hours; during the firing process, nitrogen protection is added during the stages of heating up to 500°C and 1000°C;

[0016] Described emerald celadon glaze material, comprises the composition of following percentage by weight: Potassium feldspar 10%, calcite 2%, nano silicon dioxide 8%, barium carbonate 4%, kaolin 4%, methylcellulose 2.5%, silicic acid Ferrous 7%, attapulgite 0.2%, e...

Embodiment 2

[0018] A method for firing emerald green glaze, comprising the following steps: mixing raw materials of emerald green glaze in proportion, adding water to mix, and passing through a 250-mesh sieve to obtain a suspension; immersing the bisque fired ceramic body into In the obtained mixed solution, take it out after 5 seconds, fire it in an electric kiln, and cool it down naturally to obtain a ceramic product with emerald green glaze on the surface;

[0019] The temperature curve of the electric kiln firing is set as follows: first, the temperature is raised from normal temperature to 500°C, which takes 2 hours; 5 hours; during the firing process, nitrogen protection is added during the stages of heating up to 500°C and 1000°C;

[0020] The emerald green glaze includes the following components by weight percentage: 12% potassium feldspar, 1% calcite, 12% nano silicon dioxide, 2% barium carbonate, 5% kaolin, 2% methyl cellulose, silicic acid Ferrous 8%, attapulgite 0.1%, europiu...

Embodiment 3

[0022] A method for firing emerald green glaze, comprising the following steps: mixing raw materials of emerald green glaze in proportion, adding water to mix, and passing through a 250-mesh sieve to obtain a suspension; immersing the bisque-fired ceramic body The resulting mixed solution is taken out after 8s, fired in an electric kiln, and cooled naturally to obtain a ceramic product with emerald green glaze on the surface;

[0023] The temperature curve of the electric kiln firing is set as follows: first, the temperature is raised from normal temperature to 500°C, which takes 2 hours; the temperature is raised to 1000°C, which takes 2 hours, and the temperature is maintained for 1 hour; 5 hours; during the firing process, nitrogen protection was added during the stages of heating up to 500°C and 1000°C;

[0024] Described emerald celadon glaze material, comprises the composition of following percentage by weight: Potassium feldspar 8%, calcite 3%, nano silicon dioxide 6%, ...

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Abstract

The invention provides a jade green glaze material and a firing method thereof. Ferrous iron is added into a traditional glaze material formula, nitrogen gas is introduced stage by stage in the firing process for protection, it is ensured that the jade color of the glaze material is beautiful, and meanwhile binding of the glaze material and a semifinished product cannot be affected; attapulgite is added, a layer chain structure of the attapulgite is adopted as a template, compounds prepared in the firing process are arranged in order, the reflected color has no variedness, and the color uniformity is quite high; europium oxide is added, the fluorescence property of the europium oxide is utilized, the glossiness of a porcelain glaze material is improved, and the jade-like gleaming sense on the surface of porcelain is improved.

Description

technical field [0001] The invention relates to the field of ceramic glazes, in particular to an emerald green glaze and a firing method thereof. Background technique [0002] The ceramic industry attaches great importance to the adoption of advanced glaze technology. There have been a large number of highly professional ceramic glazes and ceramic frits and pigment companies in China. The glazes used in ceramic products are becoming more and more diverse. At present, most ceramic enterprises use The types and uses of glaze products can be roughly classified as follows: 1. Lead glaze and lead-free glaze; 2. Raw glaze and frit glaze; 3. Glaze for primary firing or secondary firing; 4. Ceramic tiles, tableware , glazes for sanitary ceramics and electric porcelain; 5. Dip glazes, spray glazes, pouring glazes according to glazing methods; 6. High-temperature glazes and low-temperature glazes; 7. High-expansion glazes and low-expansion glazes; 8. Firing atmosphere oxidation flames...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/14C04B41/86C04B35/64
CPCC03C8/14C04B35/64C04B41/5022C04B41/86C04B2235/658C04B41/4539
Inventor 戴春梅刘建良黄晋
Owner 广东怡泰龙实业发展股份有限公司
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