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A kind of brown crystal glaze composition

A technology of crystalline glaze and composition, which is applied in the field of architectural sanitary ceramic decoration, can solve the problems of limited application, short firing cycle, high cost, etc., and achieve the effect of strong three-dimensional effect, short firing cycle and uniform distribution

Active Publication Date: 2017-10-27
MONALISA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The crystallization and heat preservation time of traditional crystalline glaze usually takes 4 to 6 hours, and the high cost limits its application in architectural ceramic materials
At present, the ceramic tile industry generally adopts the low-temperature rapid firing process, but due to the short firing cycle of the low-temperature rapid firing process, it is difficult to form a well-crystallized glaze on the glaze when it is applied to the preparation of crystal glaze The frit is placed on the brick surface and fired, and the firing cycle is more than three hours

Method used

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  • A kind of brown crystal glaze composition

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Step 1: Mix the crystalline glaze raw materials in proportion, wherein the crystalline glaze raw materials are prepared according to the following mass percentages: 11 parts of cryolite, 15 parts of aluminum phosphate, 10 parts of calcined kaolin, 16 parts of quartz sand, 10 parts of manganese oxide, copper oxide 8.5 parts, 20 parts of tungsten trioxide, 5 parts of sodium tungstate, 4.5 parts of ferrous tungstate;

[0052] Step 2: Add water to the mixture, ball mill it into glaze slurry, the fineness of the glaze slurry requires 0.5% of 325 mesh sieve;

[0053] Step 3: Apply the crystalline glaze evenly on the ceramic body with the bottom glaze applied in the form of spraying glaze, the specific gravity of the glaze slurry is 1.4-1.5g / cm 3 , the flow rate of the glaze slurry is 7-20s;

[0054] Step 4: Glaze firing. After the green body is dried, it is quickly fired in a roller kiln. During the sintering process, the heating rate is 40°C / min, and the temperature is kep...

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Abstract

The invention relates to a brown crystal glaze composition. The brown crystal glaze composition comprises, by mass, 5 to 15% of cryolite, 15 to 25% of aluminium phosphate, 5 to 15% of calcined kaolin, 10 to 30% of quartz, 4 to 15% of ferrous tungstate, 1 to 15% of sodium tungstate, 5 to 25% of tungsten trioxide, 2 to 15% of manganese oxide, and 5 to 10% of copper oxide. Crystal pattern of the brown crystal glaze composition shapes like ice crystal; distribution is uniform; stereoscopic impression is strong; decorative effect is excellent; and firing period is short.

Description

technical field [0001] The invention relates to a brown crystal glaze composition, which belongs to the technical field of architectural sanitary ceramic decoration. Background technique [0002] Crystalline glaze refers to the glaze with obvious coarse crystals in the glaze. It is a highly decorative artistic glaze, which originated from the color glaze in ancient my country. The fundamental feature that distinguishes crystalline glazes from ordinary glazes is that the glaze contains a certain amount of visible crystals (that is, the crystal flowers on or in the glaze that we can see). [0003] The crystal flowers of crystalline glaze can be large or small, more or less, large ones can be seen with the naked eye, and small ones need to be distinguished with a microscope. Crystalline glazed porcelain can also use artificial methods to reasonably control the distribution of crystal flowers. The shapes are star-shaped, needle-shaped or leaf-shaped and so on. As a high-grad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/14
Inventor 刘一军潘利敏杨元东赵勇汪庆刚董军乐李超
Owner MONALISA GRP CO LTD