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Alkali-resistant ceramic in-glaze color flux preparation method

A ceramic glaze and alkali-resistant technology, which is applied in the field of inorganic non-metallic materials (ceramics), can solve the problems of fading, overglaze color decoration daily tableware is difficult to meet the standard, and increase the cost of use, etc., to achieve broad application prospects and good flow effect Effect

Inactive Publication Date: 2019-06-25
叶剑
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the washing liquid used in dishwashers, the alkaline builders, defoamers, oxidants, surfactants and thickeners contained in it are very corrosive to traditional silicate products, especially It has a strong corrosive effect on traditional overglaze ceramic products. After long-term washing in a dishwasher, overglaze ceramic vessels are prone to permanent surface damage, such as fading, white turbidity, color halo, corrosion marks, etc., which are serious It affects their repeated use and increases the cost of use
[0003] In addition, the European Union's testing standards for the machine-washing resistance of ceramic ware are becoming more and more stringent, making it difficult for my country's overglaze decorative daily tableware and hotel porcelain to meet the standards, so it cannot be exported and sold smoothly, which has brought my country's daily-use ceramics industry. big shock

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Step 1: Percentage by chemical composition: SiO 2 28%, B 2 o 3 43%, Al 2 o 3 16%, Li 2 O 3%, KNaO 3%, MgO 4%, ZnO 2%, Ta 2 o 5 1% for batching;

[0014] Step 2: After mixing and grinding the materials in the formula of Step 1 evenly, put them into a corundum crucible;

[0015] Step 3: Put the corundum crucible into the electric furnace, raise the temperature at a rate of 5°C / min to 1390°C, and keep it warm for 60 minutes;

[0016] Step 4: Pour the high-temperature melt obtained in Step 3 into a steel tank at 600°C, then heat it up to 700°C for 10 hours and then cool it naturally;

[0017] Step 5: put the cooled granular frit into a ball milling tank, pass through a 380-mesh sieve after ball milling, the sieve residue is 0, and obtain alkali-resistant ceramic in-glaze flux powder after drying;

[0018] Step 6: Mix the alkali-resistant ceramic in-glaze flux powder with water at a weight ratio of 2:1, and then coat it on a flat porcelain plate. After drying, p...

Embodiment 2

[0020] Step 1: Percentage by chemical composition: SiO 2 28%, B 2 o 3 43%, Al 2 o 3 16%, Li 2 O 3%, KNaO 3%, MgO 4%, ZnO 2%, Ta 2 o 5 1% for batching;

[0021] Step 2: After mixing and grinding the materials in Step 1 evenly, put them into a corundum crucible;

[0022] Step 3: Put the corundum crucible into the electric furnace, raise the temperature at a rate of 5°C / min to 1360°C, and keep it warm for 60 minutes;

[0023] Step 4: Pour the high-temperature melt obtained in Step 3 into a steel tank at 600°C, then heat it up to 700°C for 20 hours and then cool it naturally;

[0024] Step 5: put the cooled granular frit into a ball mill tank, pass through a 380-mesh sieve after ball milling, the sieve residue is 0, and obtain alkali-resistant ceramic glaze flux powder after drying;

[0025] Step 6: Mix the alkali-resistant ceramic in-glaze flux powder with water at a weight ratio of 2:1, and then coat it on a flat porcelain plate. After drying, put it in an electric ...

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Abstract

The invention discloses an alkali-resistant ceramic in-glaze color flux preparation method, wherein the alkali-resistant ceramic in-glaze color flux is obtained through material preparing, grinding, high-temperature melting, low-temperature heat treatment, natural cooling, ball milling, sieving and drying according to the following chemical composition of 28% of SiO2, 43% of B2O3, 16% of Al2O3, 3%of Li2O, 3% of KNaO, 4% of MgO, 2% of ZnO, and 1% of Ta2O5. According to the present invention, the alkali-resistant ceramic in-glaze color flux prepared by using the method has excellent alkali resistance, is suitable for dishwashers, can significantly improve the quality of daily-use ceramics, and has broad market prospects, wherein the alkali resistance meets the optimal requirements of mechanical dishwashing resistance of utensils in European Union detection standard.

Description

technical field [0001] The invention belongs to the field of inorganic non-metallic materials (ceramics), and in particular relates to a preparation method of an alkali-resistant ceramic in-glaze flux. Background technique [0002] In recent years, with people's increasing living standards and accelerating pace of life, catering, tourism and other service industries have also developed rapidly. More and more catering companies and even ordinary families have begun to use dishwashers for daily-use ceramics. Dishes etc. are cleaned. However, for the washing liquid used in dishwashers, the alkaline builders, defoamers, oxidants, surfactants and thickeners contained in it are very corrosive to traditional silicate products, especially It has a strong corrosive effect on traditional overglaze ceramic products. After long-term washing in a dishwasher, overglaze ceramic vessels are prone to permanent surface damage, such as fading, white turbidity, color halo, corrosion marks, etc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/14
Inventor 叶剑
Owner 叶剑