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Preparation process of tempered glass

A preparation process and tempered glass technology, which is used in glass manufacturing equipment, glass tempering, manufacturing tools, etc., can solve the problems of inability to completely remove fog, troublesome operation, affecting sight, etc., and achieve a short preparation period, high flatness, and economical Cycle and cost effects

Inactive Publication Date: 2014-09-17
FUJIAN GANGDA GLASS PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the existing automobile glass, when the automobile glass is in humid air or cold environment, because the temperature inside the car is higher than the temperature outside the car, the water vapor in the air condenses on the surface of the glass to form fog droplets, affecting the line of sight
There is a fan on the car, which can blow air to the windshield, and accelerate the air flow to facilitate the evaporation of water mist, but its effect is not good, and it cannot completely remove the fog
At present, it is generally used to coat the glass with an anti-fog agent composed of a surfactant to solve this problem, but its operation is cumbersome, so it is very necessary to develop a tempered glass that itself has anti-fog function

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] S1. Place the glass horizontally in a tempering furnace for heat treatment in stages. The specific treatment method is: the first

[0034] The first stage controls the temperature at 560~600°C for 5~10 minutes; the second stage controls the temperature at 620~650°C for 5~20 minutes; the third stage controls the temperature at 680~700°C for 5~10 minutes; then the glass Put it into 150~160°C and 18~25% potassium nitrate glycerin solution to cool for 4~5 minutes; finally take out the glass and slowly cool it to room temperature (24~26°C) in air;

[0035] S2. Clean the glass treated in step S1. with deionized water, and then place it in 30% H 2 o 2 with a mass concentration of 98% H 2 SO 4 The mixed solution (H 2 o 2 with H 2 SO 4 The volume ratio is 1:3) in ultrasonic activation for 30min, after activation, the glass is washed with deionized water until neutral, and dried with nitrogen;

[0036] S3. 40 parts by mass of melamine formaldehyde resin (purchased from Wu...

Embodiment 2

[0041] S1. Place the glass horizontally in a tempering furnace for heat treatment in stages. The specific treatment method is: the first

[0042] The first stage controls the temperature at 560~600°C for 5~10 minutes; the second stage controls the temperature at 620~650°C for 5~20 minutes; the third stage controls the temperature at 680~700°C for 5~10 minutes; then the glass Put it into 150~160°C and 18~25% potassium nitrate glycerin solution to cool for 4~5 minutes; finally take out the glass and slowly cool it to room temperature (24~26°C) in air;

[0043] S2. Clean the glass treated in step S1. with deionized water, and then place it in 30% H 2 o 2 with a mass concentration of 98% H 2 SO 4 The mixed solution (H 2 o 2 with H 2 SO 4 The volume ratio is 1:3) in ultrasonic activation for 30min, after activation, the glass is washed with deionized water until neutral, and dried with nitrogen;

[0044] S3. 30 parts by mass of melamine formaldehyde resin (purchased from Wu...

Embodiment 3

[0049] S1. Place the glass horizontally in a tempering furnace for heat treatment in stages. The specific treatment method is: the first

[0050] The first stage controls the temperature at 560~600°C for 5~10 minutes; the second stage controls the temperature at 620~650°C for 5~20 minutes; the third stage controls the temperature at 680~700°C for 5~10 minutes; then the glass Put it into 150~160°C and 18~25% potassium nitrate glycerin solution to cool for 4~5 minutes; finally take out the glass and slowly cool it to room temperature (24~26°C) in air;

[0051] S2. Clean the glass treated in step S1. with deionized water, and then place it in 30% H 2 o 2 with a mass concentration of 98% H 2 SO 4 The mixed solution (H 2 o 2 with H 2 SO 4 The volume ratio is 1:3) in ultrasonic activation for 30min, after activation, the glass is washed with deionized water until neutral, and dried with nitrogen;

[0052] S3. Mix 60 parts by mass of melamine formaldehyde resin (purchased fro...

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Abstract

The invention relates to the glass processing field and specifically discloses a preparation process of tempered glass. The preparation process of the tempered glass comprises the steps of thermally tempering glass, and then coating the tempered glass with an anti-fog layer so that the tempered glass has an excellent anti-fog effect; besides, the tempered glass has the advantages of even surface stress distribution, high flatness, low spontaneous breakage probability in a cooling process, and the like.

Description

technical field [0001] The invention relates to the field of glass processing, in particular to a preparation process of tempered glass. Background technique [0002] Tempered glass is widely used in automobile, construction and other industries due to its advantages such as high mechanical strength, excellent temperature resistance and good safety. For the existing automobile glass, when the automobile glass is in humid air or cold environment, because the temperature inside the car is higher than the temperature outside the car, the water vapor in the air condenses on the surface of the glass to form fog droplets, affecting the line of sight. There is a fan on the car, which can blow air to the windshield, and accelerate the air flow to facilitate the evaporation of water mist, but its effect is not good, and it cannot completely demist. At present, it is generally used to coat the glass with an anti-fog agent composed of a surfactant to solve this problem, but its opera...

Claims

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Application Information

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IPC IPC(8): C03B27/012C03C17/28
Inventor 谢东明
Owner FUJIAN GANGDA GLASS PROD
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