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Micro-crystallizing glass-ceramic composite board and producing method thereof

A technology of glass-ceramic and production method, which is applied in the field of building materials, can solve the problems of barium carbonate poisonous, rising cost of glass raw materials, etc., and achieve the effect of reducing the cost of raw materials

Inactive Publication Date: 2008-05-28
广东高微晶科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ZnO and BaO are high-priced raw materials, which greatly increase the cost of raw materials for glass. Moreover, the raw material barium carbonate introduced into BaO is still poisonous.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] According to the composition 1 in Table 1, a homogeneous batch is prepared and melted into a homogeneous glass melt at a temperature of 1350-1580°C. The glass melt is poured into water, quenched into slag, and the slag particles with a particle size of 0.5-6.5 mm are coarsely sieved for use. Put the glass slag particles obtained by the above method on the ceramic tiles that have been fired at high temperature, apply fixative liquid to fix them, and then send them to the roller kiln to raise the temperature at a rate of no more than 900°C / hour. After 900°C, the slag particles It starts to melt and merge with each other, and the surface of the slag piled up obviously sinks, that is, it obviously starts to sinter, and it is raised to 1200°C for a period of time to keep it for a period of time to fully sinter, and then the temperature is lowered and annealed to cool, and the milky glass-ceramic composite plate is obtained. .

Embodiment 2

[0024] Example 2 is carried out according to the steps of Example 1, but the composition of the glass must be changed from composition 1 in Table 1 to composition 2, and 1% NiO needs to be added in addition, so that brown glass-ceramics with an appearance similar to natural stone can be obtained - Ceramic composite panels.

Embodiment 3

[0026] Embodiment 3 is carried out according to the various steps of embodiment 1, but the composition of the glass must be changed from composition 1 in the above table 1 to composition 3, and additionally 0.5% Co 2 o 3 , can produce a blue glass-ceramic-ceramic composite plate with an appearance similar to natural stone.

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Abstract

The invention discloses a minicrystal glass-ceramic composite plate and a production method. The minicrystal glass-ceramic composite plate is compounded by a minicrystal glass surface layer and a ceramic core layer; the minicrystal glass comprises the compositions measured in weight: 50 to 68 portions of SiO2, 3 to 10 portions of Al2O3, 20 to 38 portions of CaO, 3 to 12 portions of R2O (Na2O+K2O+Li2O), 0 to 3 portions of B2O3, and 0 to 12 portions of MgO. On the precondition of ensuring the process performance and crystallization performance and appearance decorated effect of product, the invention has no BaO and ZnO compositions, thus obviously reducing the cost of the raw material of minicrystal glass-ceramic composite plate.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a glass-ceramic-ceramic composite plate and a production method thereof. Background technique [0002] At present, the general glass-ceramic for imitation stone is mostly made of CaO-Al 2 o 3 -SiO 2 , MgO-Al 2 o 3 -SiO 2 or CaO-MgO-Al 2 o 3 -SiO 2 Several limited base glasses are used as mother glasses, and appropriate amounts of other modified components are added to obtain excellent comprehensive process performance, and a large number of patented glass compositions are derived. [0003] Japanese Patent Publication 50-116515 (Application No. 49-023175, published on September 11, 1975) disclosed the following content: 2 o 3 -SiO 2 On the basis of the ingredients, an additional (Na 2 O+K 2 O), in addition to specifying (BaO+ZnO) as an essential component, in order to further improve the fluidity in the sintering-crystallization process. In Chinese Invention Applica...

Claims

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Application Information

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IPC IPC(8): B32B17/06B32B18/00C04B37/04C03C10/00C03C3/091C03C3/087C03B19/06C03B32/02
Inventor 肖绍展左明
Owner 广东高微晶科技有限公司
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