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Preparation method for single-firing 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 problem that glass-ceramic frit particles cannot be bonded and fixed, and achieve the effect of increasing the qualified yield and improving the flatness

Active Publication Date: 2014-12-24
CHANGZHOU INST OF DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in production, the bricks with good cloth are sent to the kiln for preheating in a low negative pressure environment, and the fine particles (especially less than 100 mesh) are easy to be sucked away due to their light weight, and the glue covering the surface The binder cannot play a good bonding and fixing effect on the glass-ceramic frit particles

Method used

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  • Preparation method for single-firing glass ceramic composite board
  • Preparation method for single-firing glass ceramic composite board
  • Preparation method for single-firing glass ceramic composite board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-1

[0027] The glass-ceramic frit particle of 375kg silver-white ice crystal effect (purchased from Quincy Carroby Glaze Company, fineness 60 orders) is added in the frit particle binder of 125kg that embodiment group 1 makes, mix homogeneously , to obtain glass-ceramic frit particle suspension, the solid content of glass-ceramic frit particles is 75%, no visible bubbles, the flow rate is 46.2s (30 ℃, coated with -4 cups), and there is still no stratification after the suspension is placed 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 pro...

Embodiment 2

[0038] Components of per 100kg frit particle binder: non-ionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) content is added in the following table 2, white carbon black 3.6kg, polyether type GPE defoamer (purchased from Hangzhou Feier Chemical Industry Co., Ltd.) 1.3kg, sodium tripolyphosphate 0.3kg, and the balance is 13-15% ethanol aqueous solution.

[0039] 350kg has the glass-ceramic frit particle (purchasing from Quincy Carroby Glaze Company, fineness 90 orders) that has milky white ice crystal effect in the frit particle binding agent of 150kg that embodiment 2 makes, mix homogeneously, A glass-ceramic frit particle suspension was obtained. The solid content of the glass-ceramic frit particles was 70%, and there were no visible bubbles. The suspension was left for 5 days. See Table 2 for the flow rate and stratification.

[0040] Table 2 Research on the addition amount of nonionic polyurethane associative thickener

[0041]

[0...

Embodiment 3

[0046] Components of per 100kg frit particle binder: nonionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) 7.5kg, white carbon black content is added as shown in Table 3, polyether type GPE defoamer (purchased from Hangzhou Feier Chemical Industry Co., Ltd.) 1.3kg, sodium tripolyphosphate 1kg, and the balance is ethanol.

[0047] The frit granule of 375kg green ice crystal effect (purchasing from Quincy Carroby Glaze Company, fineness 80 orders) is added in the 125kg frit granule binder that embodiment 3 makes, mixes, gets frit granule Suspension, frit particle solid content 75%, no visible bubbles, left for 5 days, flow rate and stratification phenomenon are shown in Table 3.

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Abstract

The invention discloses a preparation method of a single-firing glass ceramic composite board. The preparation method comprises the following steps: A, punching and forming a green body; B, spraying a layer of glass ceramic frit suspension liquid: spraying a layer of glass ceramic frit suspension liquid on the surface of the green body obtained in the step A, wherein the glass ceramic frit suspension liquid is formed by blending a glass ceramic frit and a polyurethane binder, the polyurethane binder is prepared form the following materials in percentage by weight: 6.5-7.5% of a nonionic polyurethane associated thickener, 3.2-4.4% of white carbon black, 1-1.5% of a defoamer, 0.3-1.3% of a dispersing agent, and the balance of a solvent; C. firing: firing in a furnace with the firing temperature of 1200-1300 DEG C; D. polishing and grinding to obtain a finished product of the glass ceramic composite board. The method avoids the bad influences caused by a furnace preheating zone on the adsorption action of the glass ceramic frit, and improves the product yield.

Description

technical field [0001] The invention relates to the technical field of building ceramics, in particular to a preparation method of a once-firing glass-ceramic composite plate. Background technique [0002] The glass-ceramic composite board is a new type of composite board that combines a layer of glass-ceramic on the surface of the ceramic tile. Because the surface is a glass-ceramic layer, it is completely antifouling and easy to clean and maintain. At present, glass-ceramics frits are mainly covered with a certain thickness of glass-ceramics frits (particle size is 15-150 mesh) on the body surface or glaze surface by means of cloth, and a layer of adhesive is sprayed to fix the particles. On the surface of the green body, the glass-ceramic surface is reprocessed after firing. The quality of the glass-ceramic frit directly determines the flatness of the brick and the decorative effect of the brick. The binder used in the prior art is only ordinary Glue and water are mixed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/86
Inventor 朱培祺朱丽萍林春银张远强麦清艳
Owner CHANGZHOU INST OF DALIAN UNIV OF TECH
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