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Preparation and application method of high whiteness, high light transmittance and high plasticity ceramic green mud

A high-transparency, ceramic blank technology, used in applications, clay products, household appliances, etc., can solve problems such as affecting blank plasticity, and achieve the effects of good plasticity, strong light transmittance, and wide sintering range.

Active Publication Date: 2022-03-11
JINGDEZHEN CERAMIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Quartz, alumina and several toughening materials in the billet formula in the above patent documents are barren raw materials, which will directly affect the plasticity of the billet
Therefore, the molding method in the above-mentioned patent is only suitable for molding methods such as grouting molding and not suitable for manual drawing molding

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A method for preparing high-whiteness, high-transparency, and high-plasticity ceramic green mud, which is characterized in that: Linchuan talc, phlogopite, orthoclase, and American fairy water are used as raw materials, and the raw materials are pretreated, batched, ball milled, and stale. , sieving, iron removal, dehydration, and mud refining to obtain ceramic green mud.

[0029] The weight percent of the raw material formula is: 25% of Linchuan talc, 37% of phlogopite, 37.9% of orthoclase, and 0.1% of American fairy water.

[0030] The pretreatment steps to Linchuan talc in the raw material pretreatment process are:

[0031] Step 1 crushing: use a Raymond mill to crush the raw ore of Linchuan talc for 2 hours, and pass through a 200-mesh sieve, with a sieve residue of less than 0.15%;

[0032]Step 2 Elutriation: Pour the pulverized Linchuan talc powder into a large container A filled with water. The ratio of water to powder in container A is three to one. The upper ...

Embodiment 2

[0044] A method for preparing high-whiteness, high-transparency, and high-plasticity ceramic green mud, which is characterized in that: Linchuan talc, phlogopite, orthoclase, and American fairy water are used as raw materials, and the raw materials are pretreated, batched, ball milled, and stale. , sieving, iron removal, dehydration, and mud refining to obtain ceramic green mud.

[0045] The weight percent of the raw material formula is: 55% of Linchuan talc, 21% of phlogopite, 23.8% of orthoclase, and 0.2% of American fairy water.

[0046] The pretreatment steps to Linchuan talc in the raw material pretreatment process are:

[0047] Step 1 crushing: use a Raymond mill to crush the raw ore of Linchuan talc for 2 hours, and pass through a 200-mesh sieve, with a sieve residue of less than 0.15%;

[0048] Step 2 Elutriation: Pour the pulverized Linchuan talcum powder into a large container A filled with water. The ratio of water to powder in container A is three to one. The upp...

Embodiment 3

[0060] A method for preparing high-whiteness, high-transparency, and high-plasticity ceramic green mud, which is characterized in that: Linchuan talc, phlogopite, orthoclase, and American fairy water are used as raw materials, and the raw materials are pretreated, batched, ball milled, and stale. , sieving, iron removal, dehydration, and mud refining to obtain ceramic green mud.

[0061] The weight percent of the raw material formula is: 38% of Linchuan talc, 30% of phlogopite, 31.9% of orthoclase, and 0.1% of American fairy water.

[0062] The pretreatment steps to Linchuan talc in the raw material pretreatment process are:

[0063] Step 1 crushing: use a Raymond mill to crush the raw ore of Linchuan talc for 2 hours, and pass through a 200-mesh sieve, with a sieve residue of less than 0.15%;

[0064] Step 2 Elutriation: Pour the pulverized Linchuan talc powder into a large container A filled with water. The ratio of water to powder in container A is three to one. Stir well ...

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Abstract

The invention relates to a preparation and application method of high whiteness, high light transmittance and high plasticity ceramic blank mud, which uses Linchuan talc, phlogopite, orthoclase and American fairy water as raw materials, and undergoes raw material pretreatment, batching, ball milling, Aged, sieved, iron-removed, dehydrated, and smelted to obtain a ceramic body slime with a plasticity index greater than 20, and the ceramic body mud has a whiteness greater than 84 after molding, drying, biscuit firing, water replenishment, glazing, and high-temperature firing. Ceramic products with light transmittance greater than 7.5% / 2mm. The invention adopts common mineral raw materials and chemical raw materials for specific proportioning, and modifies the Linchuan talc, so that the green body has high whiteness, strong light transmittance, good plasticity and wide sintering range, and can also make The green body will not be deformed when it is fired at a high temperature of 1240-1310°C. It solves the shortcomings of high difficulty in production, complex molding process and narrow firing temperature range of high-whiteness and high-transparency ceramics, so it has broad market prospects.

Description

technical field [0001] The invention belongs to the technical field of traditional ceramic manufacturing, and in particular relates to a preparation and application method of high-whiteness, high-transparency, and high-plasticity ceramic mud, which is suitable for manufacturing various high-grade daily-use porcelain and art porcelain. Background technique [0002] The whiteness and light transmittance of daily-use ceramics are an important indicator that affects the quality of ceramic products. Since 1956, Jingdezhen has passed a large number of scientific experiments, absorbed the refinement of ceramic science at home and abroad, and finally adopted porcelain composed of Jiangxi Linchuan talc. The body and glaze make the whiteness and transparency of porcelain surpass the historical peak, and reach the highest level of Chinese porcelain manufacturing beyond the international and Chinese history. The display porcelain of the important heads of the Chinese government and the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/18C04B35/622C04B33/04C04B33/13C04B33/24
CPCC04B35/18C04B35/622C04B33/04C04B33/13C04B33/24C04B2235/3206C04B2235/3217C04B2235/3201C04B2235/3208C04B2235/3418C04B2235/3272C04B2235/3232C04B2235/9653
Inventor 方涛芮雪吴军明吴琳
Owner JINGDEZHEN CERAMIC UNIV
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