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Environment friendly heat resistant opal crystalline glass and its preparation process

A high heat-resistant, milky white technology, applied in glass manufacturing equipment, glass furnace equipment, glass blowing, etc., can solve the problems of high investment, high cost, high price, etc., to achieve stable performance, excellent material performance, low production cost Effect

Inactive Publication Date: 2010-08-04
JIANGSU AOBO CRYSTALLINE GLASS SOI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the more successful ones are Corning in the United States and Bow and Arrow in France. The milky white glassware developed by them can replace traditional porcelain, but they also have several major disadvantages such as high investment, high cost, and high price.

Method used

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  • Environment friendly heat resistant opal crystalline glass and its preparation process

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0014] Example 1 uses waste white glass bottles as the base material, and the oxide content of each component is as follows: SiO 2 67.0%, Al 2 O 3 7.5%, B 2 O 3 4.0%, CaO1.5%, MgO2.0%, Na 2 O6.0%, K 2 O4.0%, ZnO1.5%, F - 5.0%, BaO1.5%, the ingredients are crushed to 60 mesh and mixed, the batch is uniformly mixed, and then put into the electric furnace to heat and melt. The maximum temperature of the furnace is 1480℃. The components in the batch are fully melted, homogenized and clarified. The blow molding was taken out immediately, and its appearance and physical and chemical properties were evaluated.

example 2

[0015] Example 2 uses waste white glass bottles as the base material, and the components are as follows: SiO 2 72.5%, Al 2 O 3 6.25%, B 2 O 3 3.1%, CaO1.25%, MgO1.75%, Na 2 O5.0%, K 2 O3.5%, ZnO1.4%, F - 4.0%, BaO1.25%, the ingredients are crushed to 90 mesh and mixed, the batch is uniformly mixed, and then put into an electric furnace for heating and melting. The maximum temperature of the furnace is 1500°C. The ingredients in the batch are fully melted, homogenized and clarified. Immediately take out the sample to blow molding, and evaluate its appearance and physical and chemical properties.

example 3

[0016] Example 3 uses waste white glass bottles as the base material, and the components are as follows: SiO 2 78%, Al 2 O 3 5%, B 2 O 3 2.2%, CaO1.0%, MgO1.5%, Na 2 O4.0%, K 2 O3.0%, ZnO1.3%, F - 3.0%, BaO1.0%, the ingredients are pulverized to 120 mesh and mixed, the batch is uniformly mixed, and then put into the electric furnace to heat and melt; the maximum temperature of the furnace is 1520℃, and the components in the batch are fully melted, homogenized and clarified. Immediately take out the sample to blow molding, and evaluate its appearance and physical and chemical properties.

[0017] The indexes of the opal white crystal porcelain glass obtained in the above examples 1, 2, and 3 are as follows:

[0018]

[0019] It can be seen from the data listed in the above table that the various indexes of each opal white crystal porcelain glass sample are better than those of the currently recognized good quality porcelain ware on the market, and are comparable to the expensive high...

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Abstract

The present invention discloses one kind of environment friendly heat resistant opal crystalline ceramic glass and its preparation process. The opal crystalline ceramic glass is prepared with base material, supplementary material and additive and through one electric smelting process at 1480-1520 deg.c. It consists of SiO2 67.0-78.0 wt%, Al2O3 5.0-7.5 wt%, CaO 1.0-1.5 wt%, MgO 1.5-2.0 wt%, Na2O 4.0-6.0 wt%, F- 3.0-5.0 wt%, ZnO 1.3-1.5 wt%, B2O3 2.2-4.0 wt%, BaO 1.0-1.5 wt%, and K2O 3.0-4.0 wt%. It has thermal expansion coefficient not higher than 7.0x10<-6> / deg.c, Mohs hardness up to 6.5, thermal shock resisting temperature higher than 150 deg.c and high water resistance, and is ideal substitute for traditional porcelain.

Description

Technical field [0001] The invention relates to opal white crystal porcelain glass and a preparation process, in particular to an environmentally friendly high heat-resistant opal white crystal porcelain glass and a preparation process. Background technique [0002] It is reported that due to environmental protection requirements, the EU will gradually ban the production and import of porcelain products containing heavy metals in 2007. There have been various reports on the use of opal glass to produce glassware abroad. At present, the relatively successful ones are the bows and arrows of Corning in the United States and France. Their opalescent glassware can replace traditional porcelain, but at the same time they have several major disadvantages such as high investment, high cost, and high price. Summary of the invention [0003] The purpose of the present invention is to provide an environmentally friendly high heat-resistant opal white crystal porcelain glass and its preparat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C6/06C03B5/235C03B9/00
CPCC03C10/00C03C3/118
Inventor 邴旭卫李伟
Owner JIANGSU AOBO CRYSTALLINE GLASS SOI TECH
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