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Semi-tempered vacuum glass and sealing and connecting method thereof

A vacuum glass, semi-tempering technology, applied in glass tempering, glass manufacturing equipment, furnace types, etc., can solve the problems of cracking, vacuum glass losing vacuum degree, etc., achieve the effect of small thickness, avoid annealing, and good application prospects

Inactive Publication Date: 2020-06-19
湖南兴龙环境艺术工程股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If ordinary vacuum glass is used to temper after high temperature and then quenched, the vacuum glass will lose its vacuum degree or break

Method used

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  • Semi-tempered vacuum glass and sealing and connecting method thereof
  • Semi-tempered vacuum glass and sealing and connecting method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A semi-tempered vacuum glass is obtained by processing high-strength flat semi-tempered glass.

[0025] Preparation of high-strength flat semi-tempered glass:

[0026] Composition of raw materials (parts by weight): 100 parts of sodium silicate pellets, 30 parts of PVC resin, 20 parts of silicon dioxide, 15 parts of aluminum oxide, 10 parts of magnesium oxide, 12 parts of carbon fiber, 10 parts of silicon nitride, 5 parts of borax, 3 parts of basalt, 3 parts of impact modifier, 1 part of tetrakis [β-(3,5-tertiary butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, 1 part of UV absorber UV1164 and polyethylene glycol Alcohol 4000 25 parts.

[0027] The impact modifier is a mixture of hollow glass microspheres, corundum and diatomaceous earth in a weight ratio of 0.3:0.5:1.

[0028] Prepared by:

[0029] S1. Accurately weigh each raw material according to the formula, mix them and grind them evenly in an agate mortar, then pour the sample into a corundum crucible...

Embodiment 2

[0036] A semi-tempered vacuum glass is obtained by processing high-strength flat semi-tempered glass.

[0037] Preparation of high-strength flat semi-tempered glass:

[0038] Composition of raw materials (parts by weight): 130 parts of sodium silicate pellets, 50 parts of PVC resin, 40 parts of silicon dioxide, 20 parts of aluminum oxide, 16 parts of magnesium oxide, 15 parts of carbon fiber, 13 parts of silicon nitride, 10 parts of borax, 7 parts of basalt, 5 parts of impact modifier, 3 parts of tetrakis [β-(3,5-tertiary butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, 2 parts of ultraviolet absorber UV120 and polyethylene glycol Alcohol 4000 35 parts.

[0039]The impact modifier is a mixture of hollow glass microspheres, corundum and diatomaceous earth in a weight ratio of 0.3:0.5:1.

[0040] Prepared by:

[0041] S1. Accurately weigh each raw material according to the formula, mix them and grind them evenly in an agate mortar, then pour the sample into a corundu...

Embodiment 3

[0048] A semi-tempered vacuum glass is obtained by processing high-strength flat semi-tempered glass.

[0049] Preparation of high-strength flat semi-tempered glass:

[0050] Composition of raw materials (parts by weight): 110 parts of sodium silicate pellets, 35 parts of PVC resin, 25 parts of silicon dioxide, 16 parts of aluminum oxide, 12 parts of magnesium oxide, 13 parts of carbon fiber, 11 parts of silicon nitride, 7 parts of borax, 4 parts of basalt, 4 parts of impact modifier, 1 part of bis(3,5-tertiary butyl-4-hydroxyphenyl) sulfide, 1.2 parts of ultraviolet absorber UV284 and 27 parts of polyethylene glycol 4000.

[0051] The impact modifier is a mixture of hollow glass microspheres, corundum and diatomaceous earth in a weight ratio of 0.3:0.5:1.

[0052] Prepared by:

[0053] S1. Accurately weigh each raw material according to the formula, mix them and grind them evenly in an agate mortar, then pour the sample into a corundum crucible preheated at 200°C, and then ...

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Abstract

The invention provides semi-tempered vacuum glass, which is obtained by processing high-strength flat semi-tempered glass, wherein the high-strength flat semi-tempered glass is prepared from the following raw materials: sodium silicate granules, a PVC resin, silicon dioxide, aluminum oxide, magnesium oxide, carbon fibers, silicon nitride, borax, basalt, an impact modifier, an antioxidant, an ultraviolet absorbent and polyethylene glycol 4000. According to the invention, the high-strength flat semi-tempered glass prepared by the invention has excellent mechanical properties such as wind pressure resistance, temperature difference resistance, impact strength and the like, is not prone to spontaneous explosion, and is safe and stable; and with the sealing and connecting method, tempered vacuum glass can be prepared at a low temperature, so that the annealing of the tempered glass can be effectively avoided, and the prepared tempered vacuum glass has characteristics of extremely low thermal conductivity, good thermal insulation performance, light weight, small thickness and good application prospect.

Description

technical field [0001] The invention relates to the technical field of glass processing, in particular to semi-tempered vacuum glass. Background technique [0002] In the vacuum glass structure, two pieces of glass are not ordinary glass but semi-tempered glass, which is called "semi-tempered vacuum glass". Tempered glass has high strength, impact resistance and bending strength 3-5 times higher than ordinary glass, thermal shock resistance is also greatly improved, and after being broken, it will form small particles without sharp blades, which will cause little harm to people. However, due to a variety of complicated reasons, the probability of tempered glass "self-explosion" is relatively high. Studies have shown that, especially when the surface compressive stress is ≥ 52.0MPa, the probability of self-explosion caused by impurities inside the glass is greatly increased. [0003] Since the working temperature of the glass brazing material used for vacuum glass edge and a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C6/04C03C6/02C03B5/033C03C27/08C03B27/02
CPCC03B5/033C03B27/022C03C1/00C03C27/08
Inventor 伍治东曾学炳曾建新
Owner 湖南兴龙环境艺术工程股份有限公司
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