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Preparation method 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 that glass-ceramic frit particles cannot play a role of bonding and fixation and are easily sucked away, and achieves the improvement of qualified yield and improvement The effect of flatness, avoidance of pinholes and air bubbles

Active Publication Date: 2015-01-07
泰州市海通资产管理有限公司
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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 easily sucked away due to their light weight, and the glue covering the surface The fixative cannot play a good bonding and fixing effect on the glass-ceramic frit particles

Method used

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  • Preparation method of one-step sintered glass-ceramic composite board
  • Preparation method of one-step sintered glass-ceramic composite board
  • Preparation method of one-step sintered glass-ceramic composite board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-1

[0026] A method for preparing a once-fired transparent glass-ceramic composite board, comprising the following steps:

[0027] A. Green body stamping and forming: After the green body powder (fineness is 150 degrees) and micropowder powder (fineness is 150 degrees) are layered, punched into a green body with a bottom blank layer and a micropowder layer, wherein the micropowder layer The thickness is 1 / 2 of the thickness of the bottom layer, dry;

[0028] B. Apply glass-ceramic frit: spread transparent glass-ceramic frit on the surface of the body in step A and spray a layer of polyurethane fixative, the thickness of the transparent glass-ceramic frit spread is 2mm, and the amount of fixative is 300-500g / m2, obtained as figure 1 The adobe shown has a body layer 1, a glass-ceramic frit layer 2 and a fixing layer 3;

[0029] The component of every 100kg polyurethane fixative: nonionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) 4.3kg, atta...

Embodiment 2

[0051] A method for preparing a glass-ceramic composite plate with an ice crystal effect by firing once, comprising the following steps:

[0052] A. Green body stamping and forming: After the green body powder (fineness is 100 degrees) and micropowder powder (fineness is 100 degrees) are layered, punched into a green body with a bottom blank layer and a micropowder layer, wherein the micropowder layer The thickness is 1 / 3 of the bottom base layer thickness, dry;

[0053] B. Apply glass-ceramic frit: spread high-temperature transparent frit particles (purchased from Zibo Huaci Glaze Co., Ltd., 80 mesh) on the surface of the green body in step A and spray a layer of polyurethane fixing agent, and spread high-temperature transparent micro The thickness of the crystal glass frit is 2mm, and the amount of fixative is 350-500g / m2;

[0054] The component of every 100kg polyurethane fixative: nonionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) ...

Embodiment

[0057] Example Group 3 - Effect of Attapulgite Clay Content on the Viscosity of Polyurethane Fixatives

[0058] The component of every 100kg polyurethane fixative: nonionic polyurethane associative thickener (Nae Woi Korea., Ltd. company, model HIRESOL85) 4.3kg, attapulgite clay content is added as follows table 2, polyether type GPE Defoamer (purchased from Hangzhou Feier Chemical Industry Co., Ltd.) 0.6kg, sodium tripolyphosphate 1.2kg, the balance is diethylene glycol ether.

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Abstract

The invention discloses a preparation method of a one-step sintered glass-ceramic composite board. The preparation method comprises the following steps of A, carrying out impact molding on a green body, namely respectively distributing green body powder prepared according to a known formula and micropowder layer powder with the particle size of less than or equal to 200 meshes, and then, impacting to form the green body; B, applying glass-ceramic frits, namely spreading the glass-ceramic frits on the surface of the green body obtained in the step A, and spraying a layer of polyurethane fixing agent, wherein the polyurethane fixing agent is prepared from the following components in percentage by mass: 3.8-4.8% of nonionic polyurethane associative thickener, 1.8-2.4% of attapulgite clay, 0.6-1% of defoaming agent, 0.6-1.6% of dispersing agent and the balance of solvent; C, sintering, namely sintering in a kiln at the temperature of 1150-1250 DEG C; and D, polishing, namely polishing and edging the product which is cooled after being sintered to obtain a finished product of the glass-ceramic composite board. By using the method, adverse effects caused by the adsorption effect of a preheating zone of the kiln to the glass-ceramic frits can be avoided, and the rate of finished products can be increased.

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 board. 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, the glass-ceramic frit is mainly covered with a certain thickness of glass-ceramic frit (particle size is 15-150 mesh) on the body surface or glaze surface by means of cloth, and a layer of fixing agent is sprayed to fix the particles on the surface of the body. The surface of the green body 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 fixing agent used in the prior art is only ordinary glue and water. Mix...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/14C04B41/86C04B35/14
CPCC03C8/14C04B35/14C04B41/009C04B41/5023C04B41/86
Inventor 朱培祺朱丽萍岑永炽张远强刘敏玉
Owner 泰州市海通资产管理有限公司
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