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Low-density high-strength tempered glass for bathroom and preparation method of low-density high-strength tempered glass

A tempered glass, high-strength technology, used in glass manufacturing equipment, glass molding, manufacturing tools, etc., can solve the problems of tempered glass bursting, serrated edges, damage and loss, etc., to isolate moisture, reduce glass density, The effect of improving mechanical strength

Inactive Publication Date: 2021-07-20
常熟明阳玻璃制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Toughened glass is used in the bathroom. Toughened glass has higher strength and better heat resistance than ordinary glass, and when ordinary glass breaks, it will produce jagged edges, which can easily cause harm to people, while tempered glass After the breakage, there will be blunt edges, even if it is accidentally touched, it will not cause harm, and the safety is extremely high. However, during the shower, if the temperature difference between the inside and outside is too large, the tempered glass will burst, which is very easy to cause injury and injury. loss

Method used

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  • Low-density high-strength tempered glass for bathroom and preparation method of low-density high-strength tempered glass
  • Low-density high-strength tempered glass for bathroom and preparation method of low-density high-strength tempered glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] A method for preparing low-density high-strength tempered glass for bathroom, comprising the following steps:

[0055] S1: Smelting raw materials to obtain molten glass:

[0056] (1) Put 30 parts of quartz sand, 10 parts of borax, 25 parts of sodium oxide, 1 part of potassium oxide, and 1.5 parts of lithium oxide in a ball mill, grind for 20 minutes, place in an oven, dry at 60°C for 20 minutes, and place in a ball mill , grind for 40min to obtain mixture A powder;

[0057] (2) Put 2 parts of magnesium oxide, 3 parts of calcium oxide, and 12 parts of aluminum oxide in a ball mill, and grind for 35 minutes to obtain mixture B powder;

[0058] (3) Put 55 parts of waste glass and 0.5 parts of sodium chloride in a silicon-molybdenum furnace, heat up to 950°C at a rate of 3°C / min, keep it warm for 40min, add powder of mixture B, and heat up to 950°C at a rate of 2°C / min Stir at 1350°C for 10min, keep warm for 1h, add the powder of mixture A, raise the temperature to 1650°C...

Embodiment 2

[0069] A method for preparing low-density high-strength tempered glass for bathroom, comprising the following steps:

[0070] S1: Smelting raw materials to obtain molten glass:

[0071] (1) Put 35 parts of quartz sand, 13 parts of borax, 30 parts of sodium oxide, 2 parts of potassium oxide, and 2.5 parts of lithium oxide in a ball mill, grind for 25 minutes, place in an oven, dry at 60°C for 20 minutes, and place in a ball mill , grind for 50min to obtain mixture A powder;

[0072] (2) 4 parts of magnesium oxide, 4 parts of calcium oxide, and 14 parts of aluminum oxide were placed in a ball mill, and ground for 40 minutes to obtain mixture B powder;

[0073] (3) Put 50 parts of waste glass and 0.7 parts of sodium chloride in a silicon-molybdenum furnace, raise the temperature to 950°C at a rate of 3°C / min, keep it warm for 40min, add powder of mixture B, and heat up to 950°C at a rate of 2°C / min Stir at 1350°C for 10min, keep warm for 1h, add the powder of mixture A, raise t...

Embodiment 3

[0084] A method for preparing low-density high-strength tempered glass for bathroom, comprising the following steps:

[0085] S1: Smelting raw materials to obtain molten glass:

[0086] (1) Put 40 parts of quartz sand, 15 parts of borax, 35 parts of sodium oxide, 3 parts of potassium oxide, and 3 parts of lithium oxide in a ball mill, grind for 30 minutes, place in an oven, dry at 60°C for 20 minutes, and place in a ball mill , grind for 60min to obtain mixture A powder;

[0087] (2) 6 parts of magnesium oxide, 5 parts of calcium oxide, and 16 parts of aluminum oxide were placed in a ball mill, and ground for 45 minutes to obtain mixture B powder;

[0088] (3) Put 45 parts of waste glass and 0.9 parts of sodium chloride in a silicon-molybdenum furnace, raise the temperature to 950°C at a rate of 3°C / min, keep it warm for 40min, add powder of mixture B, and heat up to 950°C at a rate of 2°C / min Stir at 1350°C for 10min, keep warm for 1h, add the powder of mixture A, raise the...

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Abstract

The invention discloses low-density high-strength tempered glass for a bathroom and a preparation method of the low-density high-strength tempered glass. Boron oxide added into the tempered glass can be combined with free oxygen provided by alkali metal oxide in the glass, a boron-oxygen triangle is converted into a boron-oxygen tetrahedron, the boron-oxygen tetrahedron is connected with a silicon-oxygen tetrahedron through a bridge oxygen bond, and the content of silicon dioxide is replaced by the boron oxide. The volume of the boron-oxygen tetrahedron is smaller than that of the silicon-oxygen tetrahedron, so that a formed connection network is tighter, the strength and the heat resistance of the tempered glass are improved, and meanwhile, the melting point of the boron oxide is lower than that of silicon dioxide, so that the melting point of the tempered glass can be reduced by adding the boron oxide, and a fluxing effect is achieved. The low-density high-strength tempered glass for the bathroom has good breaking strength, Vickers hardness and heat resistance, meanwhile, lithium oxide is added, the glass density is reduced, the light high-strength tempered glass is generated, and the low-density high-strength tempered glass for the bathroom has good practicability and production value.

Description

technical field [0001] The invention relates to the technical field of tempered glass, in particular to a low-density high-strength tempered glass for bathroom and a preparation method thereof. Background technique [0002] Nowadays, in people's daily life, glass products are everywhere, because glass has a wide range of uses and is a necessary raw material for many equipment, objects, and buildings. They are all replaced by glass, which is not only stronger and more reliable, but also better insulated. [0003] Toughened glass is used in the bathroom. Toughened glass has higher strength and better heat resistance than ordinary glass, and when ordinary glass breaks, it will produce jagged edges, which can easily cause harm to people, while tempered glass After the breakage, there will be blunt edges, even if it is accidentally touched, it will not cause harm, and the safety is extremely high. However, during the shower, if the temperature difference between the inside and o...

Claims

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Application Information

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IPC IPC(8): C03C6/04C03C6/02C03B19/02C03C21/00C03C23/00
CPCC03C1/002C03B19/02C03C21/002C03C23/006
Inventor 陆晓伟勇志明王小威何钧健
Owner 常熟明阳玻璃制品有限公司
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