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Cinerous glass ceramic and preparation method and application thereof

A technology of glass-ceramics and glass-ceramic frit, which is applied in the field of blue-gray glass-ceramics and its preparation, can solve the problems of high energy consumption, high porosity, and single color, and achieve excellent physical and chemical properties, soft color, and improved The effect of L value

Active Publication Date: 2017-05-31
GLASS TECH RES INST OF SHAHE CITY OF HEBEI PROVINCE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] A major feature of architectural glass-ceramics as a decorative material is that the color can be designed and the color is soft. At present, the colored glass-ceramics on the market are mainly sintered, but they have the disadvantages of high porosity, high energy consumption, and low output.
However, glass-ceramics suitable for other industrial productions have a relatively single color, and when producing colored glass-ceramics, there are disadvantages of high refueling costs and low efficiency in the furnace.

Method used

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  • Cinerous glass ceramic and preparation method and application thereof
  • Cinerous glass ceramic and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A kind of blue-gray glass-ceramics, by weight percentage, including the following raw materials: SiO 2 37.2%; Al 2 o 3 28%; CaO 7.8%; MgO 6.5%; Na 2 O 12%; TiO 2 6%; ZrO 2 0.5%; CeO 2 2%.

[0033] The preparation of blue-gray glass-ceramics comprises the following steps:

[0034] A. Prepare raw materials: weigh the raw materials according to the above weight percentage, mix them evenly, and obtain the batch materials;

[0035] B. Preparation of basic glass: melting the batch material obtained in step A at 1535°C, cooling the melted liquid to 770-860°C and forming it to obtain the basic glass;

[0036] C. Preparation of blue-gray glass-ceramics: After the basic glass obtained in step B is nucleated at 710-740°C for 15-25min, crystallized at 875-885°C for 15-25min, annealed at 810-850°C, cut and polished, A blue-gray glass-ceramic was obtained.

[0037] The application of a kind of blue-gray glass-ceramics in imitation natural blue-gray granite glass-ceramic...

Embodiment 2

[0042] A kind of blue-gray glass-ceramics, by weight percentage, including the following raw materials: SiO 2 34.1%; Al 2 o 3 30%; CaO 9.6%; MgO 8%; Na 2 O 6%; K 2 O 4%; ZnO 0.8%; TiO 2 5.2%; CeO 2 2.3%.

[0043] The preparation of blue-gray glass-ceramics comprises the following steps:

[0044] A. Prepare raw materials: weigh the raw materials according to the above weight percentage, mix them evenly, and obtain the batch materials;

[0045] B. Preparation of basic glass: Melt the batch obtained in step A at 1543°C, cool the melted liquid to 780-850°C, and form it to obtain the basic glass;

[0046] C. Preparation of blue-gray glass-ceramics: After the basic glass obtained in step B is nucleated at 720-730°C for 18-20min, crystallized at 880-887°C for 18-20min, annealed at 820-840°C, cut and polished, A blue-gray glass-ceramic was obtained.

[0047] The application of a kind of blue-gray glass-ceramics in imitation natural blue-gray granite glass-ceramics compris...

Embodiment 3

[0052] A kind of blue-gray glass-ceramics, by weight percentage, including the following raw materials: SiO 2 43.2%; Al 2 o 3 29%; CaO 7.2%; MgO 6%; Na 2 O 4%; K 2 O 2%; TiO 2 7%; CeO 2 1.5%; Fe 2 o 3 0.1%.

[0053] The preparation of blue-gray glass-ceramics comprises the following steps:

[0054] A. Prepare raw materials: weigh the raw materials according to the above weight percentage, mix them evenly, and obtain the batch materials;

[0055] B. Preparation of basic glass: Melt the batch obtained in step A at 1570°C, cool the melted liquid to 780-840°C, and form it to obtain the basic glass;

[0056] C. Preparation of blue-gray glass-ceramics: After the basic glass obtained in step B is nucleated at 720-750°C for 10-20min, crystallized at 873-875°C for 10-20min, annealed at 815-835°C, cut and polished, A blue-gray glass-ceramic was obtained.

[0057] The application of a kind of blue-gray glass-ceramics in imitation natural blue-gray granite glass-ceramics c...

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Abstract

Cinerous glass ceramic belongs to the technical field of glass ceramics and comprises the following raw materials by weight percent: 32-44% of SiO2, 28-38% of Al2O3, 7.2-15.6% of CaO, 6-13% of MgO, 6-13% of Na2O and / or K2O, 0-2% of ZnO, 5-13% of TiO2 or TiO2+ZrO2, and a colorant, wherein the colorant is 2-2.5% of CeO2 or a mixture of 1.2-2% of CeO2 and 0.05-0.2% of Fe2O3. The invention also discloses a preparation method and application of cinerous glass ceramic. The cinerous glass ceramic does not contain fluorides, is soft in color, and has the color approximate to that of natural cinerous granite and the physical and chemical properties superior to that of natural granite.

Description

technical field [0001] The invention belongs to the technical field of glass-ceramics and relates to a blue-gray glass-ceramic, in particular to a blue-gray glass-ceramic and its preparation method and application. The blue-gray glass-ceramics of the invention does not contain fluoride and has a soft color , the color is similar to natural blue-gray granite, and its physical and chemical properties are better than natural granite. Background technique [0002] Glass-ceramic is a material containing glass phase and microcrystalline phase obtained by controlling the heat treatment system of the base glass of a specific composition. By controlling the basic composition and heat treatment system, glass-ceramics with different properties can be obtained, which can be widely used in various fields. Architectural glass-ceramic has the characteristics of wide source of production raw materials, soft and uniform color, bright color, no radiation, zero porosity and excellent physical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/06C03C4/02C03C1/04
CPCC03C1/04C03C4/02C03C10/0036
Inventor 骞少阳袁坚程金树邓鑫鹏马利特信彩丽范亚伟
Owner GLASS TECH RES INST OF SHAHE CITY OF HEBEI PROVINCE
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