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A kind of low-expansion high-temperature resistant environment-friendly medium and low temperature transparent glass glaze preparation method

A technology of transparent glass and high temperature resistance, which is applied in the preparation of environmentally friendly medium and low temperature transparent glass glazes, and the preparation of environmentally friendly medium and low temperature transparent glass glazes with low expansion and high temperature resistance. Environmentally friendly and quality-improving effects

Active Publication Date: 2022-05-03
HUNAN JIAYEDA ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The cracking phenomenon of glass glaze is more prominent under high temperature conditions (above 300°C), and glass glaze is used in the field of packaging metal, especially the metal silver layer will inevitably undergo low-temperature sintering (sintering temperature below 1000°C), that is, low-temperature glaze , Most of the existing low-temperature glaze formulas use potassium, albite, or lead-containing systems. The former increases the expansion coefficient of the glaze and affects the use

Method used

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  • A kind of low-expansion high-temperature resistant environment-friendly medium and low temperature transparent glass glaze preparation method

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Effect test

Embodiment 1

[0024] A method for preparing low-expansion, high-temperature-resistant, environment-friendly, medium- and low-temperature transparent glass glaze, the preparation method comprising the following steps:

[0025] (1) Ingredients, SiO2 55wt% to 70wt%, Al2O3 10wt% to 15wt%, B2O3 13wt% to 15wt%, ZrO25wt% to 10wt%, Li2O 7wt% to 10wt%, MgO 5wt% to 10wt%, ZnO 5wt% to 10wt%, flux 2wt% to 3%, the particle size of each raw material is controlled at less than 10μm;

[0026] (2) Mixed milling, put the materials in step (1) into a ball mill, dry ball milling for 6 hours;

[0027] (3) Burn the frit, put the ball-milled material in step (2) into the frit furnace for melting, the melting temperature is 1330°C to 1350°C, keep warm for 20min, and water quench;

[0028] (4) Making glass powder, milling the frit fired in step (3) through a wet ball mill, then controlling the particle size of the powder to be less than 3 μm, and drying;

[0029] (5) Glazing, mixing 60wt% of the glass powder in s...

Embodiment 2

[0041] A method for preparing low-expansion, high-temperature-resistant, environment-friendly, medium- and low-temperature transparent glass glaze, the preparation method comprising the following steps:

[0042] (1) Ingredients, SiO2 45wt% to 55wt%, Al2O3 5wt% to 10wt%, B2O3 10wt% to 13wt%, ZrO20wt% to 5wt%, Li2O 3wt% to 7wt%, MgO 0wt% to 5wt%, ZnO 0wt% to 5wt%, flux 0wt% to 2%, the particle size of each raw material is controlled at less than 10μm;

[0043] (2) Mixed milling, put the materials in step (1) into a ball mill, dry ball milling for 6 hours;

[0044] (3) Burn the frit, put the ball-milled material in step (2) into the frit furnace for melting, the melting temperature is 1300°C to 1330°C, keep warm for 20min, and water quench;

[0045] (4) Making glass powder, milling the frit fired in step (3) through a wet ball mill, then controlling the particle size of the powder to be less than 3 μm, and drying;

[0046] (5) Glazing, mixing 60wt% of the glass powder in step (...

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Abstract

The invention discloses a method for preparing low-expansion, high-temperature-resistant, environment-friendly, medium- and low-temperature transparent glass glaze. The preparation method comprises the following steps: batching; mixed grinding, dry ball milling for 6 hours; firing frit; making glass powder and drying ; Glaze making, mixing 60wt% of glass powder and 40wt% of organic vehicle in step (4), and then ball milling the mixture of glass powder and organic vehicle for 2H; printing; firing glaze; inspecting the appearance. The preparation method of the low-expansion, high-temperature-resistant, environment-friendly, medium-low temperature transparent glass glaze improves the effect of the close bonding between the glass glaze and the substrate, avoids problems such as cracking and peeling, and at the same time improves the toughness of the glass glaze, thereby improving the mechanical strength of the product. Improve the surface mechanical properties and thermal properties, while improving the stability of the glass glaze after manufacture, improve the quality of the glass glaze, reduce the expansion coefficient, reduce the defective rate of the entire glass glaze production, meet the requirements of environmental friendliness, and be suitable for manufacturing.

Description

technical field [0001] The invention relates to a preparation method of a low-expansion and high-temperature-resistant environment-friendly medium-low temperature transparent glass glaze, in particular to a preparation method of a low-expansion and high-temperature resistant environment-friendly medium-low temperature transparent glass glaze, which belongs to the technical field of packaging metal applications. Background technique [0002] Glaze is a thin layer of vitreous body applied on the surface of the product. The purpose is to improve the physical and chemical properties of the product surface and the mechanical properties of the product, and to decorate the surface of the product. It is more and more widely used in the field of product surface packaging and protection. [0003] The cracking phenomenon of glass glaze is more prominent under high temperature conditions (above 300°C), and glass glaze is used in the field of packaging metal, especially the metal silver l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/20C03C8/16C04B41/90
CPCC03C8/20C03C8/16C04B41/90C04B41/52C04B41/5116C04B41/5022
Inventor 余仁安施小罗
Owner HUNAN JIAYEDA ELECTRONICS
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