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Red copper crystalline glaze and firing method thereof

A technology of crystalline glaze and red copper color, which is applied in the field of ceramic glaze, can solve the problems that affect the mass production of crystalline glaze, the lack of adaptability between glaze surface and green body, and the poor temperature resistance of crystalline glaze, so as to achieve the goal of not easy peeling and The effect of cracking, bright color and smooth glaze

Active Publication Date: 2020-11-24
吴利军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing crystalline glazes have poor adaptability between the glaze surface and the green body. The prepared crystalline glazes have poor temperature resistance, are easy to crack, and have poor coloring effects. The problem of low yield has seriously affected the mass production and market application of crystal glaze

Method used

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  • Red copper crystalline glaze and firing method thereof
  • Red copper crystalline glaze and firing method thereof
  • Red copper crystalline glaze and firing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] This embodiment provides a copper-colored crystalline glaze, which is fired by using the following raw materials in parts by weight:

[0027] 48 parts by weight of Linggen porcelain stone from Longquan, 4 parts by weight of Longquan limestone, 6 parts by weight of talc, 10 parts by weight of Hunan potassium feldspar, 13 parts by weight of Hunan iron oxide red, 14 parts by weight of bovine bone ash, and 5 parts by weight of Longyan kaolin.

[0028] The firing method of the copper-colored crystalline glaze comprises the steps of:

[0029] (1) Take the Linggen porcelain stone, Longquan limestone, talc, Hunan potassium feldspar, Hunan iron oxide red, ox bone ash, Longyan kaolin of Longquan, carry out wet ball milling after each raw material is mixed (raw material after mixing: ball: Water=1:1.5:1), obtain the solid particle size and be 80 mesh sieve surplus 0.1%, the glaze slurry that concentration table measures concentration is 49 degree;

[0030] (2) Apply the glaze slu...

Embodiment 2

[0039] This embodiment provides a copper-colored crystalline glaze, which is fired by using the following raw materials in parts by weight:

[0040] 45 parts by weight of Linggen porcelain stone from Longquan, 3 parts by weight of Longquan limestone, 5 parts by weight of talc, 12 parts by weight of Hunan potassium feldspar, 15 parts by weight of Hunan iron oxide red, 16 parts by weight of bovine bone ash, and 4 parts by weight of Longyan kaolin.

[0041] The firing method of the copper-colored crystalline glaze comprises the steps of:

[0042] (1) Take Longquan's Linggen porcelain stone, Longquan limestone, talc, Hunan potassium feldspar, Hunan iron oxide red, bovine bone ash, Longyan kaolin, carry out wet ball milling after each raw material is mixed (raw material after mixing: ball: Water=1:1.5:0.8), obtain the solid particle size and be 60 mesh sieve surplus 0.1%, the glaze slurry that concentration table measures concentration is 48 degree;

[0043] (2) Apply the glaze sl...

Embodiment 3

[0047] This embodiment provides a copper-colored crystalline glaze, which is fired by using the following raw materials in parts by weight:

[0048] 52 parts by weight of Linggen porcelain stone from Longquan, 5 parts by weight of Longquan limestone, 7 parts by weight of talc, 8 parts by weight of Hunan potassium feldspar, 10 parts by weight of Hunan iron oxide red, 12 parts by weight of bovine bone ash, and 6 parts by weight of Longyan kaolin.

[0049] The firing method of the copper-colored crystalline glaze comprises the steps of:

[0050] (1) Take the Linggen porcelain stone, Longquan limestone, talc, Hunan potassium feldspar, Hunan iron oxide red, ox bone ash, Longyan kaolin of Longquan, carry out wet ball milling after each raw material is mixed (raw material after mixing: ball: Water=1:1.5:1.2), obtain the solid particle size and be 100 mesh sieve surplus 0.1%, the glaze slurry that concentration table measures concentration is 50 degree;

[0051] (2) Apply the glaze s...

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Abstract

The invention relates to a red copper crystalline glaze and a firing method thereof. The red copper crystalline glaze is formed by firing the following raw materials in parts by weight: 45 to 52 weight parts of porcelain stone s, 3 to 5 weight parts of limestone, 5 to 7 weight parts of talc, 8 to 12 weight parts of potassium feldspar, 10 to 15 weight parts of iron oxide red, 12 to 16 weight partsof bovine bone ash and 4 to 6 weight parts of kaolin. The red copper crystalline glaze disclosed by the invention has good bondability of a glaze surface and a body, is difficult to generate strippingand cracking of the glaze surface, has good temperature variation resistance, is complete in growth of crystal flowers in the firing process, is difficult to generate a sagging phenomenon, is high infinished product ratio and is suitable for batch production; the red copper crystalline glaze disclosed by the invention is flat in glaze surface, high in glossiness and bright in color; a glaze color is red copper with iron red crystallized crystal flowers; the crystal flowers are uneven in density and size and are of a shape of beautiful and colorful snowflake-shaped crystals; and the red copper crystalline glaze has a very high artistic impression and is very suitable for fields of a tasting tea set, art ornaments and daily tableware porcelains.

Description

technical field [0001] The invention belongs to the technical field of ceramic glazes, and in particular relates to a copper-colored crystalline glaze and a firing method thereof. Background technique [0002] Glaze is a colorless or colored glassy thin layer covering the surface of ceramic products. Crystalline glaze is a kind of artificial crystal flower glaze. During the firing process, because the glaze contains sufficient crystalline substances, it is in a state of Saturated state, a highly decorative artistic glaze made by crystallization in the slow cooling process. The existing crystalline glazes lack adaptability between the glaze surface and the green body, and the prepared crystalline glazes have poor temperature resistance, are easy to crack, and have poor coloring effects. The firing process is prone to incomplete growth of crystal flowers and glaze flow, and then The problem of low yield rate has seriously affected the batch production and market application o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/00C04B41/86
CPCC03C8/00C04B41/86C04B41/5022C04B41/0072C04B41/4539Y02P40/60
Inventor 吴利军
Owner 吴利军
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