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Green brick of one-step sintered glass-ceramic composite board

A technology of glass-ceramic and glass-ceramic frit, which is applied in the field of architectural ceramics, can solve the problems of low yield, pinholes or dissolution holes, and low flatness, etc., and achieve high yield and no influence on color effect Effect

Active Publication Date: 2015-01-07
靖江市红星铜业制造有限公司
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The adobe of the glass-ceramic composite board fired at one time includes a green body layer, a bottom glaze layer and a glass-ceramic layer from bottom to top. The glass-ceramic layer is generally composed of glass-ceramic frit particles. The adobe is pressed, glazed and printed. Finally, a layer of glass-ceramic frit particles will be placed on the surface of the bottom glaze layer, and then sent to the kiln for firing. When transported into the kiln, it will pass through a low negative pressure pre-tropical zone. The glass-ceramic frit particles are easy to be sucked away because of their light weight, resulting in the lack of many glass-ceramic frit particles on the surface layer. It greatly affects the quality and aesthetics of the glass-ceramic composite board, and the qualified yield is not high

Method used

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  • Green brick of one-step sintered glass-ceramic composite board
  • Green brick of one-step sintered glass-ceramic composite board
  • Green brick of one-step sintered glass-ceramic composite board

Examples

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preparation example Construction

[0021] Preparation of bottom glaze: Mix kaolin, quartz, potassium feldspar, albite, calcite, talc, dolomite, zinc oxide and zircon powder as raw materials for bottom glaze, add appropriate amount of water and 0.5% tripolymer Sodium phosphate, 0.3% methyl cellulose, ball milled into the chemical composition of SiO2: 50%, Al2O3: 20%, CaO: 9%, MgO: 2%, K2O: 2%, Na2O: 3%, ZnO: 4 %, ZrO2: 10%, and the fineness is 0.5% of the slurry bottom glaze on the 10,000-hole sieve for use. It should be noted that the green body powder and the preparation of the bottom glaze given here can be replaced by other formula components in the common knowledge, and can be applied to the preparation method of the single-firing glass-ceramic composite plate of the present invention. .

[0022] Example group 1

Embodiment 1-1

[0026] The high-temperature transparent glass-ceramic frit particles (purchased from Quincy Carloby Glaze Co., 90 mesh) cloth are placed on the surface of the underglaze layer of the green body through the printing process, and then the microcrystalline prepared in one layer of embodiment 1 is sprayed. glass frit particle fixative, obtained as figure 1 The adobe shown includes a green body layer 1, an underglaze layer 2, a glass-ceramic frit particle layer 3 and a fixing agent 4, and enters the firing process. Sent into the kiln for firing at 1200°C, grinding and chamfering to obtain finished glazed tiles with uniform distribution and complete ice crystal texture, such as figure 2 The shown glass-ceramic composite board has a green body layer 1, an underglaze layer 2 and a glass-ceramic layer 5. It should be noted that the high-temperature transparent glass-ceramic frit particles selected in Example 1-1 are in the sintering process. Medium and stable spreading, forming a sil...

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Abstract

The invention discloses a green brick of a one-step sintered glass-ceramic composite board. The green brick comprises a green body layer, a ground coat layer and a glass-ceramic frit layer from bottom to top and also comprises a fixing layer arranged on the surface of the glass-ceramic frit layer, wherein the fixing layer is formed by spraying a glass-ceramic frit particle fixing agent; and the glass-ceramic frit particle fixing agent comprises the following components in percentage by mass: 6.5-7.5% of nonionic polyurethane associative thickener, 3.2-4.4% of white carbon black, 1-1.5% of defoaming agent, 0.3-1.3% of dispersing agent and the balance of solvent. By using the green brick, glass-ceramic frit particles on the surface cannot be taken away by a draught fan at a preheating zone when being sintered, so that the waste is avoided, and the defect rate of glass-ceramic composite board products is reduced.

Description

technical field [0001] The invention relates to the technical field of architectural ceramics, in particular to a brick adobe made of a glass-ceramic composite plate fired once. Background technique [0002] Since the technology of glass-ceramic composite panel has been maturely applied, its technology has been continuously developed and innovated, and the product has become a high-grade decorative material in the market because of its transparent micro-crystalline frit particles and personalized decorative effect, and is well received by consumers. favorite. [0003] The adobe of the glass-ceramic composite board fired at one time includes a green body layer, a bottom glaze layer and a glass-ceramic layer from bottom to top. The glass-ceramic layer is generally composed of glass-ceramic frit particles. The adobe is pressed, glazed and printed. Finally, a layer of glass-ceramic frit particles will be placed on the surface of the bottom glaze layer, and then sent to the kiln...

Claims

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Application Information

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IPC IPC(8): C04B41/89
Inventor 朱培祺朱丽萍刘咏平麦晓君梁永健
Owner 靖江市红星铜业制造有限公司
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