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A brick adobe fired into a glass-ceramic composite board at one time

A technology of glass-ceramic and glass-ceramic frit, which is applied in the field of architectural ceramics, can solve problems such as low yield, low flatness, and affecting the quality and aesthetics of glass-ceramic composite panels, achieving high yield, The color effect does not exist to affect the effect

Active Publication Date: 2016-06-29
张家港和智珅知识产权有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The adobe of the glass-ceramic composite board fired at one time includes a body layer, a bottom glaze layer and a glass-ceramic frit layer from bottom to top. The glass-ceramic frit layer is generally composed of glass-ceramic frit particles. Press molding to form the green body layer, after glaze printing, a layer of glass-ceramic frit particles will be spread on the surface of the bottom glaze layer, and then sent to the kiln for firing. When transported into the kiln, it will go through a low negative pressure preheating Belt, some small glass-ceramic frit particles on the uppermost layer are easily absorbed due to their light weight, resulting in the lack of many glass-ceramic frit particles on the surface layer, and the flatness of the adobe is not high after firing. Moreover, there are pinholes or dissolution holes, which greatly affect the quality and aesthetics of the glass-ceramic composite board, and the qualified yield is not high.

Method used

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  • A brick adobe fired into a glass-ceramic composite board at one time
  • A brick adobe fired into a glass-ceramic composite board at one time

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Components of per 100kg frit particle binder: hydroxyethyl cellulose (purchased by Guangzhou Moke Building Materials Technology Co., Ltd.) 5.5kg, white carbon black 2.5kg, polymethylsiloxane 1.1kg, organic silicon modified phosphoric acid Sodium 1.7kg, the balance is ethylene glycol.

[0026] The preparation method of the above-mentioned frit particle binder comprises the following steps: a) dissolving hydroxyethyl cellulose in ethylene glycol and stirring evenly; b) adding polymethylsiloxane and organosilicon-modified sodium phosphate, Stir evenly; c) Add white carbon black and the remaining ethylene glycol solvent, stir evenly to obtain a frit particle binder, and measure its flow rate to be 26.8s (30°C, coat -4 cups). It should be noted that the organosilicon-modified sodium phosphate can be replaced by sodium polyacrylate or sodium hexametaphosphate as a dispersant, and this solution can also be realized.

Embodiment 1-1

[0028] The glass-ceramic frit particle of 375kg silver-white ice crystal effect (purchasing from Quincy Carroby Glaze Company, fineness 100-200 order) is added in the frit particle binder of 125kg that embodiment 1 makes, mixes Evenly, a suspension of glass-ceramic frit particles was obtained, the solid content of glass-ceramic frit particles was 75%, no visible bubbles, the flow rate was 42.5s (30°C, coated with -4 cups), and the suspension was still without stratification after standing for 5 days It can be seen that the frit particle binder of the present invention still has good stability after mixing with the glass-ceramic frit particles. It should be noted that the glass-ceramic frit particles with silver-white ice crystal effect selected in Example 1-1 spread during the sintering process, forming the effect of silver-white ice crystal flowers on the glaze layer, and the glass-ceramic frit particles It can be purchased through the color glaze company, and similar frit pr...

Embodiment 2

[0047] The preparation method of this example is basically the same as that of Example 1, the difference is that the components and proportions used in this example are different. Components of per 100kg frit particle binder: hydroxyethyl methylcellulose (Dezhou Kangrong Chemical Co., Ltd.) 6.5kg, white carbon black 3.2kg, polymethylsiloxane 1.4kg, sodium hexametaphosphate 2.1 kg, the balance being ethanol.

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Abstract

The invention provides a green brick of a single fired glass ceramic composite board. The green brick comprises a green brick body layer, a ground coat layer and a glass ceramic frit layer from bottom to top, wherein the glass ceramic frit layer is formed by applying a microcrystalline frit particle suspension prepared by mixing glass ceramic frit particles with a frit particle binder to the surface of the ground coat layer; the frit particle binder comprises the following components by mass fraction: 5.5-6.5% of cellulosic thickening agents, 2.5-3.2% of white carbon black, 1.1-1.4% of defoaming agent, 1.2-1.8% of dispersing agents and the balance of solvents. By using the green brick, the glass ceramic frit particles on the surface can not be drawn away by a draught fan in a preheating zone during firing, thus avoiding waste and reducing the defect rate of glass ceramic composite board products.

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 body layer, a bottom glaze layer and a glass-ceramic frit layer from bottom to top. The glass-ceramic frit layer is generally composed of glass-ceramic frit particles. Press molding to form the green body layer, and after glaze printing, a layer of glass-ceramic frit particles will be spread on the surface of the bottom glaze layer, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/89
Inventor 周克芳朱培祺朱丽萍骆雪华麦清艳
Owner 张家港和智珅知识产权有限公司
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