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Medium and high temperature sintered coarse crystalline Fe-Ti glaze and its prepn process

A production method and coarse crystallization technology are applied in the field of ceramic glaze and its production to achieve the effects of good glaze quality, simple process and small chromatic aberration

Active Publication Date: 2009-01-28
HUNAN HUALIAN CHINA IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Modern crystalline glazes are widely used in ceramic vases, lamps, smoking sets, stationery and sculptured animals. They are perfectly matched. However, most of the current crystalline glaze products are display ceramic products. How to apply it to daily-use porcelain, especially daily tableware? has not been resolved, so it is necessary to improve this

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1 is the best implementation scheme, which is a kind of iron-titanium system crystalline glaze suitable for daily-use white porcelain, and the specific technical scheme is described as follows:

[0029] with TiO 2 As crystallization agent, introduce CaO, Fe 2 o 3 with TiO 2 Form stable crystals. The technical formula of glaze is as follows in parts by weight:

[0030] Feldspar 45 parts Quartz 15 parts Calcite 15 parts

[0031] 5 parts of titanium dioxide, 5 parts of talc, 5 parts of iron red

[0032] Kaolin 10 parts

[0033] The chemical composition of the crystalline glaze prepared according to the above-mentioned process formula is as follows:

[0034] SiO 2 : 59% Al 2 o 3 : 9.8%K 2 O: 3.8%

[0035] Na 2 O: 1.8% CaO: 9.3% TiO 2 : 5.0%

[0036] Fe 2 o 3 : 6.0% MgO: 1.7%

[0037] The production method is as follows:

[0038] Accurately weigh various raw materials according to the requirements of the process formula, and the ratio of materia...

Embodiment 2

[0040] An iron-titanium system crystalline glaze suitable for daily-use white porcelain, the specific technical scheme is described as follows:

[0041] with TiO 2 As crystallization agent, introduce CaO, Fe 2 o 3 with TiO 2 Form stable crystals. The technical formula of glaze is as follows in parts by weight:

[0042] 45 parts of feldspar, 20 parts of quartz, 12 parts of calcite

[0043] 8 parts of titanium dioxide, 2 parts of talc, 10 parts of iron red

[0044] 5 parts kaolin

[0045] The chemical composition of the crystalline glaze prepared according to the above-mentioned process formula is as follows:

[0046] SiO 2 : 61% Al 2 o 3 : 8.5%K 2 O: 3.1%

[0047] Na 2 O: 1.2% CaO: 7.8% TiO 2 : 8.0%

[0048] Fe 2 o 3 : 10% MgO: 0.55%

[0049] The production method is as follows:

[0050]Accurately weigh various raw materials according to the requirements of the process formula, and the ratio of materials, ball stones and water is strictly 1:1.6:0.6. First, b...

Embodiment 3

[0052] An iron-titanium system crystalline glaze suitable for daily-use white porcelain, the specific technical scheme is described as follows:

[0053] with TiO 2 As crystallization agent, introduce CaO, Fe 2 o 3 with TiO 2 Form stable crystals. The technical formula of glaze is as follows in parts by weight:

[0054] Feldspar 45 parts Quartz 17 parts Calcite 15 parts

[0055] 6 parts of titanium dioxide, 4 parts of talc, 8 parts of iron red

[0056] 7 parts kaolin

[0057] The chemical composition of the crystalline glaze prepared according to the above-mentioned process formula is as follows:

[0058] SiO 2 : 60% Al 2 o 3 : 8.8% K 2 O: 3.8%

[0059] Na 2 O: 1.1% CaO: 8.2% TiO 2 : 6.2%

[0060] Fe 2 o 3 : 8.5% MgO: 1.2%

[0061] The production method is as follows:

[0062] Accurately weigh various raw materials according to the requirements of the process formula, and the ratio of materials, ball stones and water is strictly 1:1.6:0.6. Minerals such as f...

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Abstract

The present invention is medium and high temperature sintered coarse crystalline Fe-Ti glaze and its preparation process. The coarse crystalline Fe-Ti glaze has TiO2 as crystallizing agent, stable crystal form with CaO, Fe2O3 and TiO2, good crystallizing effect even at high temperature and greatly lowered glaze material cost. The glaze material is prepared with feldspar 45 weight portions, quartz 15-20 weight portions, calcite 12-18 weight portions, titanium dioxide 5-8 weight portions, talcum 2-5 weight portions, iron red 5-10 weight portions and kaolin 5-10 weight portions, and through ball milling the material, sieving, adding water into the glaze slurry to 40-49 Be deg, sieving the glaze slurry, applying to biscuit, and sintering at 1250-1350 deg.c in a kiln.

Description

Technical field: [0001] The invention belongs to a ceramic glaze and a production method thereof, in particular to an iron-titanium system coarse crystal glaze on the surface of daily-use ceramics and furnishing ceramics and a batching method thereof, belonging to the technical field of ceramic glazes of inorganic materials, and used for medium and high temperature once On the fired ceramic products, especially on the daily-use white porcelain ware, a yellow glaze surface with mushroom-shaped crystal flowers blooming can be formed. Background technique: [0002] Crystalline glaze is a kind of artificial crystal flower glaze, which is a kind of glaze that introduces crystallization agent into the basic glaze and controls the formation of crystals of various shapes in the glaze layer through firing. There are many types of crystalline glazes, including high-temperature crystalline glazes and low-temperature crystalline glazes. According to its composition, it can be divided i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/86C03C8/22
CPCC03C10/00C03C3/087C03C8/00
Inventor 石建军
Owner HUNAN HUALIAN CHINA IND
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