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 materi

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0021] Example 1

[0022] Prepare uniform batch materials according to composition 1 in Table 1, and melt them into a uniform glass melt at a temperature of 1350 to 1580°C. The glass melt is poured into water, water-quenched into broken slag, and slag particles with a particle size of 0.5 to 6.5 mm are coarsely screened for use. Lay the glass slag particles obtained by the above method on the ceramic tiles that have been fired at a high temperature, apply a fixing liquid to fix them, and then send them to the roller kiln at a rate of no more than 900°C / hour. After 900°C, the slag particles The surface of the material piled up by the slags begins to melt and sinks obviously, that is, the sintering is obviously started, and the temperature is raised to 1200℃ for a period of time for sufficient sintering, and then the temperature is lowered and annealed to cool to obtain the opalescent glass-ceramic composite plate .

Example Embodiment

[0023] Example 2

[0024] Example 2 is carried out in accordance with 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 must be added to obtain a brown glass-ceramic with an appearance similar to natural stone -Ceramic composite board.

Example Embodiment

[0025] Example 3

[0026] Example 3 is carried out in accordance with the steps of Example 1, but the composition of the glass must be changed from composition 1 in Table 1 to composition 3, and 0.5% Co must be added. 2 O 3 , Can produce blue crystal glass-ceramic composite board with appearance similar to natural stone.

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PUM

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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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