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 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: 2015-01-07
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

Then send the above into the kiln for firing. When transported into the kiln, it will pass through a low negative pressure pre-tropical zone. Some small glass-ceramic frit particles that are placed on the top layer are easily sucked away due to their light weight. , resulting in the lack of a lot of glass-ceramic frit particles on the surface layer, the flatness of the adobe is not high after firing, and pinholes or dissolution holes appear, which greatly affects the quality and aesthetics of the glass-ceramic composite board. The yield rate 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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 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 water.

[0025] The preparation method of the above-mentioned frit granule binder comprises the following steps: a) dissolving hydroxyethyl cellulose in water, and stirring evenly; b) adding polymethylsiloxane and organic silicon-modified sodium phosphate, and stirring evenly; c) Add white carbon black and the remaining water solvent, stir evenly to obtain a frit particle binder, and measure its flow rate to be 25.7s (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.

[0026] Preparation of adobe of glass-ceramic composite board-Example 1-1

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Embodiment 2

[0046] 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.

Embodiment 2-1

[0048] The glass-ceramic frit particle of 375kg silver-white ice crystal effect (purchasing from Quincy Carroby Glaze Company, fineness 100-150 order) is added in the frit particle binder of 125kg that embodiment 2 makes, mixes Evenly, a suspension of glass-ceramic frit particles was obtained, the solid content of glass-ceramic frit particles was 70%, no visible bubbles, the flow rate was 43.6s (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 2-1 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...

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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 and a glass-ceramic frit layer from bottom to top, wherein the glass-ceramic frit layer is formed by applying a glass-ceramic frit particle suspension liquid formed by mixing glass-ceramic frit particles and a frit particle binding agent on the surface of the green body layer; and the frit particle binding agent comprises the following components in percentage by mass: 5.5-6.5% of cellulose thickener, 2.5-3.2% of white carbon black, 1.1-1.4% of defoaming agent, 1.2-1.8% 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 and a glass-ceramic frit layer from bottom to top, and the glass-ceramic frit layer is generally composed of glass-ceramic frit particles, specifically, ceramic powder The material is pressed to form an adobe, and then a layer of glass-ceramic frit particles is spread on the surface to form a glass-ceramic frit layer t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/14C04B41/86C04B35/14
CPCC04B41/009C04B41/5023C04B41/4539C04B35/14
Inventor 周克芳朱培祺刘江峰朱丽萍麦清艳
Owner 张家港和智珅知识产权有限公司
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