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Antique matte glaze with delicate texture and using method thereof

A matte glaze and delicate technology, applied in the field of antique matte glaze, can solve the problems of not smooth enough, affecting product grade and grade, not matte enough, etc., and achieve stable formula, wide firing range, low high temperature viscosity Effect

Active Publication Date: 2013-04-17
广东道氏陶瓷材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The matte glazes on the market are not fine enough, not matte enough, not smooth enough due to the crystallization of the glaze surface or the high temperature viscosity of the glaze, which affects the grade and taste of the product.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0018] A method for preparing an antique brick matt glaze with a delicate texture, comprising applying a layer of base glaze on the surface of a brick, and then applying a layer of the above-mentioned matte glaze, and then firing at 1150-1250°C to obtain a product.

[0019] Preferably, the composition of the bottom glaze is: Al 2 o 3 19~21 parts, SiO 2 70~72 parts, CaO 1~3 parts, K 2 O 2~4 parts, Na 2 O 2 to 4 parts, the number of parts is parts by mass.

Embodiment 1

[0022] A kind of antique matte glaze glaze, which is composed of frit and raw materials, wherein the composition of frit is: Al 2 o 3 22 parts, SiO 2 60 parts, CaO 11 parts, K 2 O 7 parts, Na 2 6 parts of O, 5 parts of MgO; the composition of the raw material is: Al 2 o 3 17 parts, SiO 2 45 copies, K 2 O 1 part, Na 2 O 4 parts, ZnO 7 parts, ZrO 23 parts. Mix the frit and the raw material at a mass ratio of 1.5:1 and ball-mill it into a glaze slurry, and adjust the matte glaze slurry to a specific gravity of 1.80g / ml.

[0023] Apply a layer of bottom glaze on the 660mm×660mm biscuit, adopt the glaze spraying process, and apply a glaze amount of 120g; then apply a layer of the above-mentioned matte glaze on the base glazed brick body, and use the pouring glaze process, and the amount of glaze applied is 300 g, fired at 1220°C.

[0024] Wherein, the composition of the bottom glaze is: Al 2 o 3 20 parts, SiO 2 71 parts, CaO 2 parts, K 2 O 3 parts, Na 2 O 3 par...

Embodiment 2

[0026] A kind of antique matte glaze glaze, which is composed of frit and raw materials, wherein the composition of frit is: Al 2 o 3 19 parts, SiO 2 54 parts, CaO 7 parts, K 2 O 4 parts, Na 2 3 parts of O, 2 parts of MgO; the composition of the raw material is: Al 2 o 3 18 parts, SiO 2 45 copies, K 2 2 parts of O, Na 2 3 parts of O, 6 parts of ZnO, and 24 parts of ZrO; mix the clinker and raw material at a mass ratio of 1.5:1 and ball-mill them into a glaze slurry, and adjust the matte glaze slurry to a specific gravity of 1.85g / ml.

[0027] Apply a layer of bottom glaze on the 660mm×660mm biscuit, adopt the glaze spraying process, and apply a glaze amount of 115g; then apply a layer of the above-mentioned matte glaze on the base glazed brick body, use the pouring glaze process, and apply a glaze amount of 320 g, fired at 1210°C.

[0028] Among them, the composition of the bottom glaze is: Al 2 o 3 19 parts, SiO 2 73 parts, CaO 2 parts, K 2 O 3 parts, Na 2...

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Abstract

The invention discloses an antique matte glaze with delicate texture. The antique matte glaze with the delicate texture consists of a frit and raw materials, wherein the mass ratio of the frit to the raw materials is 1-1.5: 1. The invention also discloses a preparation method of the antique matte glaze with the delicate texture. The preparation method comprises the following steps of: applying a layer of base glaze on the surface of a brick blank, and applying a layer of the matte glaze; and sintering the brick blank at the temperature of 1150-1250 degrees centigrade to obtain a final product. The matte glaze provided by the invention consists of the frit with good high temperature fluidity and part of the raw materials, so that the glaze surface can flow levelly at high temperature quickly; through matching of different materials, the matte, smooth and delicate effects of the glaze surface are ensured; through the composition design of half raw material and half frit, the compositionis more stable and is applicable to different technical conditions and furnace temperatures; and the sintering temperature and the matte degree of the matte glaze are regulated by regulating the adding amount of aluminum oxide.

Description

technical field [0001] The invention relates to an antique matte glaze with delicate texture and a using method thereof. Background technique [0002] The glaze of ceramics is obtained through various physical and chemical reactions under the action of fire. It is a glassy substance formed by complex physical and chemical reactions of various mineral raw materials and inorganic chemical materials under high temperature conditions. [0003] Matte glaze is a microcrystalline glaze of the matte glaze system, which is induced by very fine-grained crystals produced during the firing cycle. As a result of the crystallization, the glaze surface has a matte appearance. Adding elements that can cause a matte effect, in a certain firing temperature and a proper cooling rate, countless tiny single crystals are generated, and these countless tiny single crystals refract light, thereby producing a matte effect. Matte glaze is a high-grade decorative glaze for modern ceramics. It is the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/86
Inventor 陈奕陈宵方贵喜黎朱强
Owner 广东道氏陶瓷材料有限公司
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