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Aluminosilicate glass and strengthened glass

A technology of aluminosilicate glass and oxide, which is applied in the field of aluminosilicate glass and strengthened glass, and can solve the problems of high raw material cost, limited application range, and difficult production

Active Publication Date: 2021-10-01
CSG HOLDING +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing aluminosilicate glass, in order to obtain sufficient heat absorption capacity, a certain amount of ferric oxide is added to the glass, so that the glass is green or blue, and the transmittance of the glass is greatly reduced. , the visible light transmittance of the mainstream silicate heat-absorbing glass is generally below 70%, which limits its application range
Although the optical performance of phosphate glass is better than that of silicate heat-absorbing glass, its raw material cost is too high and its production is difficult. Currently, it is only used in a small amount in high-end fields such as surgical lamps.

Method used

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  • Aluminosilicate glass and strengthened glass
  • Aluminosilicate glass and strengthened glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1~20

[0048]The aluminosilicate glasses of Examples 1-20 were weighed according to the proportions in Table 1 and Table 2 and the corresponding raw materials (the values ​​corresponding to each component in Table 1 and Table 2 are the mass percentages) were mixed to obtain the mixture , wherein the particle size of the carbon powder (C) is 50 mesh to 100 mesh. Put the mixture into a platinum crucible, put the platinum crucible into a silicon-molybdenum furnace, raise the temperature to 1550°C, and melt it for 3 hours, homogenize it and cast it into a mold, and anneal it at 600°C for 1 hour to obtain a block shaped glass. The bulk glass was cut, and both surfaces were ground and polished to obtain a sheet glass with a size of 50 mm×50 mm×5 mm.

[0049] Table 1

[0050] Example 1 2 3 4 5 6 7 8 9 10 SiO 2

68.00 74.00 70.50 69.30 72.00 68.60 68.20 69.50 69.90 69.00 P 2 o 5

6.00 2.00 4.00 2.00 2.00 3.00 5.00 3.50 2.50 5.20 ...

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PUM

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Abstract

The invention provides aluminosilicate glass and strengthened glass. A kind of aluminosilicate glass, the raw material includes: 68%-74% SiO2 in mass percentage 2 , 2% to 6% of P 2 o 5 , 2% to 5% Al 2 o 3 , 10% to 14% Na 2 O, 3%-8% CaO, 4%-8% MgO, 0.25%-0.75% Fe 2 o 3 , 0.2% to 0.5% of C and 0.1% to 0.3% of SnO 2 . The above-mentioned aluminosilicate glass has simple process, high light transmittance and good heat absorption.

Description

technical field [0001] The invention relates to aluminosilicate glass and strengthened glass. Background technique [0002] Sunlight is mainly composed of visible light, infrared rays and ultraviolet rays. For drivers, the direct impact of infrared rays is to cause the temperature inside the car to rise, increase the use of car air conditioners, and increase fuel consumption; while ultraviolet radiation will accelerate the fading of fabrics in the car, aging of plastic parts, and damage the skin. Therefore, people are eager to have such a glass material, which can maintain good light transmission and reduce the penetration of solar heat radiation and ultraviolet rays as much as possible, and super heat-absorbing glass has emerged as the times require. [0003] Super heat-absorbing glass is a new glass product developed based on the continuous improvement of people's requirements for beauty, comfort and environmental protection. It was mainly used in automobiles and modern l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C3/097C03C4/08
CPCC03C3/097C03C4/082
Inventor 戴斌肖子凡
Owner CSG HOLDING